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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-12) : Physics

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-12)

Physics


  • Exam Name : CBSE Borad Exam Class - 12 Topper Model Answers 2019

  • Subject : Physics

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-10) : English Communicative

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-10)

English Communicative


  • Exam Name : CBSE Borad Exam Class - 10 Toppers Model Answers 2019

  • S

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-10) : Social Science

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-10)

Social Science


  • Exam Name : CBSE Borad Exam Class - 10 Toppers Model Answers 2019

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NCERT Mathematics Question Paper (Class - 10)

NCERT Mathematics Question Paper (Class - 10)


:: Chapter 1: Number System ::


Exercise 1.1

Question 1. Use Euclid’s division algorithm to find the HCF of

(i) 135 and 225
(ii) 196 and 38220
(iii) 867 and 255

Question 2: Show that any positive odd integer is of the form 6q + 1, or 6q + 3, or 6q + 5, where q is some integer.

Question 3. An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns iwhich they can march?

Question 4. Use Euclid’s division lemma to show that the square of any positive integer is either of the form 3m or 3m + 1 for some integer m

Question 5. Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m, 9m + 1 or 9m + 8.

Exercise 1.2

Question 1. Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429

Question 2. Find the LCM and HCF of the following pairs of integers and verify that LCM × HCF = product of the two numbers. 26 and 91 (ii) 510 and 92 (iii) 336 and 54

Question 3. Find the LCM and HCF of the following integers by applying the prime factorization method.

(i) 12, 15 and 21
(ii) 17, 23 and 29
(iii) 8, 9 and 25

Question 4. Given that HCF (306, 657) = 9, find LCM (306, 657).

Question 5. Check whether 6n can end with the digit 0 for any natural number n.

Question 6. Explain why 7 × 11 × 13 + 13 and 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 are composite numbers.

Question 7. There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field, while Ravi takes 12 minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point?

Exercise 1.3

Question 1. Prove that √5 is irrational.

Question 2. Prove that 3 + 2√5 is irrational.

Question 3. Prove that the following are irrationals: (i) 1/√2 (ii) 7√5 (iii) 6 + √2

Exercise 1.4

Question 1. Without actually performing the long division, state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion:

(i)13/3125
(ii)17/8
(iii)64/455
(iv)15/1600
(v)29/343
(vi)23/2³*5²
(vii)129/2²* 57* 75
(viii)6/15
(ix)35/50
(x)77/210

Question 2. Write down the decimal expansions of those rational numbers in Question 1 above which have terminating decimal expansions.

(i)13/3125 = 0.009375
(ii)17/8
(iii)64/455 none- terminating
(iv)15/1600
(v)29/343 it is none – terminating
(vi)23/2³*5² = 23/200
(vii)129/2²* 57*75 it is none terminating
(viii) 6/15 = 2/5 = 0.4
(ix)35/50

Question 3. The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form p , q you say about the prime factors of q?


:: Chapter 2: Polynomial ::


Exercise 2.1

Question 1. The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find the number of zeroes of p(x), in each case.

Exercise 2.2

Question 1. Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients.
(iii) 4u² + 8u

Question 1. Find the zeroes of the following quadratic polynomials and verify the relationship between the zeroes and the coefficients.

(i) x² – 2x – 8
(ii) 4s² – 4s + 1
(iii) 6x² – 3 – 7x
(v) t² – 15
(vi)3x² – x – 4

Question 2. Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.

(i)1/4 , -1 (ii) √2 , 1/3 (iii) 0, √5 (iv) 1,1 (v) -1/4 ,1/4 (vi) 4,1

Exercise 2.3

1. Divide the polynomial p(x) by the polynomial g(x) and find the quotient and remainder in each of the following :

Question 2. Check whether the first polynomial is a factor of the second polynomial by dividing the second polynomial by the first polynomial:

Question 3. Obtain all other zeroes of 3x4 + 6x3 – 2x2 – 10x – 5, if two of its zeroes are √(5/3) and - √(5/3)

Question 4. On dividing x3 – 3x2 + x + 2 by a polynomial g(x), the quotient and remainder were x – 2 and –2x + 4, respectively. Find g(x).

Question 5. Give examples of polynomials p(x), g(x), q(x) and r(x), which satisfy the division algorithm


:: 3: MATRIX ::


Exercise 3.1

Question 1. Aftab tells his daughter, “Seven years ago, I was seven times as old as you were then .Also, three years from now, I shall be three times as old as you will be.” (Isn’t this interesting?) Represent this situation algebraically and graphically.

Question 2. The coach of a cricket team buys 3 bats and 6 balls for Rs 3900. Later, she buys another bat and 2 more balls of the same kind for Rs 1300. Represent this situation algebraically and geometrically.

Question 3. The cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160. After a month, the cost of 4 kg of apples and 2 kg of grapes is Rs 300. Represent the situation algebraically and geometrically.

Exercise 3.2

Question 1 (ii). 5 pencils and 7 pens together cost Rs 50, whereas 7 pencils and 5 pens together cost Rs 46. Find the cost of one pencil and that of one pen

Question 2. On comparing the ratios a1/a2 , b1/b2 and c1/c2, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincident:

Question 3. On comparing the ratios a1/a2 , b1/b2 and c1/c2 find out whether the following pair of linear equations are consistent, or inconsistent.

(i) 3x + 2y = 5 ; 2x – 3y = 7
(ii) 2x – 3y = 8 ; 4x – 6y = 9
(iii) 3/2x + 5/3 y = 7 ; 9x – 10y = 14
(iv) 5x – 3y = 11 ; – 10x + 6y = –22
(v)4/3x + 2y =8 ; 2x + 3y = 12
(i) 3x + 2y = 5 ; 2x – 3y = 7

Question 4. Which of the following pairs of linear equations are consistent/inconsistent? If consistent, obtain the solution graphically:

Question 5. Half the perimeter of a rectangular garden, whose length is 4 m more than its width, is 36 m. Find the dimensions of the garden.

Question 6. Given the linear equation 2x + 3y – 8 = 0, write another linear equation in two variables such that the geometrical representation of the pair so formed is:

Question 7. Draw the graphs of the equations x – y + 1 = 0 and 3x + 2y – 12 = 0. Determine the coordinates of the vertices of the triangle formed by these lines and the x-axis, and shade the triangular region.

Exercise 3.3

Question 1. Solve the following pair of linear equations by the substitution method.

(i) x + y = 14 ; x – y = 4
(ii) s – t = 3 ; s/3 + t/2 = 6
(iii) 3x – y = 3 ; 9x – 3y = 9
(iv) 0.2x + 0.3y = 1.3 ; 0.4x + 0.5y = 2.3
(v)√2 x+ √3y = 0 ; √3 x - √8y = 0 (vi)3/2 x - 5/3y = -2 ; x/3 + y/2 = 13/6

Question 2. Solve 2x + 3y = 11 and 2x – 4y = – 24 and hence find the value of ‘m’ for which y =mx + 3.

Question 3. Form the pair of linear equations for the following problems and find their solution by substitution method.

(i) The difference between two numbers is 26 and one number is three times the other. Find them.
(ii) The larger of two supplementary angles exceeds the smaller by 18 degrees. Find them.
(iii) The coach of a cricket team buys 7 bats and 6 balls for Rs 3800. Later, she buys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each ball

Exercise 3.4

Question 1. Solve the following pair of linear equations by the elimination method and the substitution method:

x + y =5 and 2x –3y = 4
3x + 4y = 10 and 2x – 2y = 2
3x – 5y – 4 = 0 and 9x = 2y + 7
x/2 + 2y /3 = - 1 and x – y/3 = 3

Question 2. Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method:

(i) If we add 1tothe numerator and subtract 1fromthe denominator, a fractionreduces to 1. It becomes1/2 if we only add 1 to the denominator.What is the raction?
(ii) Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu?
(iii) The sum of the digits of a t

Exercise 3.5

Question 1. Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions In case there is a unique solution, find it by using cross multiplication method.

(i)x – 3y – 3 = 0 ; 3x – 9y – 2 =0
(ii)2x + y = 5 ; 3x +2y =8
(iii)3x – 5y = 20 ; 6x – 10y =40
(iv)x – 3y – 7 = 0 ;3x – 3y – 15= 0

Question 2. (i) For which values of a and b does the following pair of linear equations have an infinite number of solutions?

2x +3y =7; (a – b) x +(a +b) y =3a +b –2

Question 3. Solve the following pair of linear equations by the substitution and cross-multiplication methods:

8x +5y =9 …(1)
3x +2y =4 …(2)

Quesiton 4. Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :

(ii) A fraction becomes 1 3 when 1 is subtracted from the numerator and it becomes 1 4 when 8 is added to its denominator. Find the fraction.

(iii) Yash scored 40 marks in a test, getting 3 marks for each right answer and losing 1 mark for each wrong answer. Had 4 marks been awarded for each correct answer and 2 marks been deducted for each incorrect answer, then Yash would have scored 50 marks. How many questions were there in the test?

(iv) Places A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars travel in the same direction at different speeds, they meet in 5 hours. If they travel towards each other, they meet in 1 hour. What are the speeds of the two cars?

(v) The area of a rectangle gets reduced by 9 square units, if its length is reduced by 5 units and breadth is increased by 3 units. If we increase the length by 3 units and the breadth by 2 units, the area increases by 67 square units. Find the dimensions of the rectangle.

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-12) : Psychology

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-12)

Psychology


  • Exam Name : CBSE Borad Exam Class - 12 Topper Model Answers 2019

  • Subject : Psyc

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NCERT Social Science Question Paper (Class - 10)

NCERT Social Science Question Paper (Class - 10)


(Political Science) : Chapter 1 Power Sharing


Question 1: What are the different forms of power sharing in modern democracies? Give an example of each of these.

Question 2: State one prudential reason and one moral reason for power sharing with an example from the Indian context.

Question 3: After reading this chapter, three students drew different conclusions. Which of these do you agree with and why? Give your reasons in about 50 words.

Question 4: The Mayor of Merchtem, a town near Brussels in Belgium, has defended a ban on speaking French in the town’s schools. He said that the ban would help all non-Dutch speakers integrate in this Flemish town. Do you think that this measure is in keeping with the spirit of Belgium’s power sharing arrangements? Give your reasons in about 50 words.

Question 5: Read the following passage and pick out any one of the prudential reasons for power sharing offered in this.

"We need to give more power to the panchayats to realise the dream of Mahatma Gandhi and the hopes of the makers of our Constitution. Panchayati Raj establishes true democracy. It restores power to the only place where power belongs in a democracy − in the hands of the people. Given power to panchayats is also a way to reduce corruption and increase administrative efficiency. When people participate in the planning and implementation of developmental schemes, they would naturally exercise greater control over these schemes. This would eliminate the corrupt middlemen. Thus, Panchayati Raj will strengthen the foundations of our democracy."

Question 6: Different arguments are usually put forth in favour of and against power sharing.Identify those which are in favour of power sharing and select the answer using thecodes given below? Power sharing:

A. reduces conflict among different communities
B. decreases the possibility of arbitrariness
C. delays decision making process
D. accommodates diversities
E. increases instability and divisiveness
F. promotes people’s participation in government
G. undermines the unity of a country

Question 7: Consider the following statements about power sharing arrangements in Belgium and Sri Lanka.

Α. In Belgium, the Dutch-speaking majority people tried to impose their domination on the minority French-speaking community.
B. In Sri Lanka, the policies of the government sought to ensure the dominance of the Sinhala-speaking majority.
C. The Tamils in Sri Lanka demanded a federal arrangement of power sharing to protect their culture, language and equality of opportunity in education and jobs.
D. The transformation of Belgium from unitary government to a federal one prevented a possible division of the country on linguistic lines.

Which of the statements given above are correct?

Question 8:  Match list I (forms of power sharing) with List II (forms of government) and select the correct answer using the codes given below in the lists:

Question 9: Consider the following two statements on power sharing and select the answer using the codes given below:

A. Power sharing is good for democracy.
B. It helps to reduce the possibility of conflict between social groups.

Which of these statements are true and false?


(Political Science) : Chapter 2 Federalism


Question 1: Locate the following States on a blank outline political map of India:Manipur, Sikkim, Chhattisgarh and Goa

Question 2:  Identify and shade three federal countries (other than India) on a blank outline political map of the world.

Question 3: Point out one feature in the practice of federalism in India that is similar to and one feature that is different from that of Belgium.

Question 4: What is the main difference between a federal form of government and a unitary one? Explain with an example.

Question 5: State any two differences between the local government before and after the constitutional amendment in 1992.

Question 6: Fill in the blanks:

Since the United States is a ____________________ type of federation, all the
constituent States have equal powers and States are _______________ vis-a -vis the
federal government. But India is a _________________ type of federation and some
States have more power than others. In India, the ___________________ government has more powers.

Question 7: Here are three reactions to the language policy followed in India. Give an argument and an example to support any of these positions.
Sangeeta: The policy of accommodation has strengthened national unity. Arman: Language-based States have divided us by making everyone conscious of their language. Harish: This policy has only helped to consolidate the dominance of English over all other languages.

Question 8: The distinguishing feature of a federal government is:

(a) National government gives some powers to the provincial governments.
(b) Power is distributed among the legislature, executive and judiciary.
(c) Elected officials exercise supreme power in the government.
(d) Governmental power is divided between different levels of government.

Question 9: A few subjects in various Lists of the Indian Constitution are given here. Group them under the Union, State and Concurrent Lists as provided in the table below.

A. Defence
Β. Police
C. Agriculture
D. Education
E. Banking
F. Forests
G. Communications 

Question 10:  Examine the following pairs that give the level of government in India and the powers of the government at that level to make laws on the subjects mentioned against each. Which of the following pairs is not correctly matched? 

Question 11: Match List I with List II and select the correct answer using the codes given below the lists:

Question 12: Consider the following statements.

A. In a federation the powers of the federal and provincial governments are clearly demarcated.
B. India is a federation because the powers of the Union and State Governments are specified in the Constitution and they have exclusive jurisdiction on their respective subjects.
C. Sri Lanka is a federation because the country is divided into provinces.
D. India is no longer a federation because some powers of the states have been devolved to the local government bodies. Which of the statements given above are correct?


(Political Science) : Chapter 3 Democracy and Diversity


Question 1: Discuss three factors that determine the outcomes of politics of social divisions.

Question 2: When does a social difference become a social division?

Question 3: How do social divisions affect politics? Give two examples.

Question 4: ________________ social differences create possibilities of deep social divisions andtensions.
________________ social differences do not usually lead to conflicts.

Question 5: In dealing with social divisions which one of the following statements is NOT correct about democracy?

(a) Due to political competition in a democracy, social divisions get reflected in politics.
(b) In a democracy it is possible for communities to voice their grievances in a peaceful manner.
(c) Democracy is the best way to accommodate social diversity.
(d) Democracy always leads to disintegration of society on the basis of social divisions.

Question 6: onsider the following three statements.

Α. Social divisions take place when social differences overlap.
Β. It is possible that a person can have multiple identities.
C. Social divisions exist in only big countries like India.

Which of the statements is/are correct?

Question 7:Arrange the following statements in a logical sequence and select the right answers by using the code given below.

Α. But all political expression of social divisions need not be always dangerous.
B. Social divisions of one kind or the other exist in most countries.
C. Parties try to win political support by appealing to social divisions.
D. Some social differences may result in social divisions.

Question 8: Among the following, which country suffered disintegration due to political fights on the basis of religious and ethnic identities?

(a) Belgium
(b) India
(c) Yugoslavia
(d) Netherlands

Question 9: Read the following passage from a famous speech by Martin Luther king Jr. in 1963. Which social division is he talking about? What are his aspirations and anxieties? Do you see a relationship between this speech and the incident in Mexico Olympics mentioned in this chapter?

"I have a dream that my four little children will one day live in a nation where they will not be judged by the colour of their skin but by the content of their character. Let freedom ring − when we let it ring from every village and every hamlet, from every state and every city, we will be able to speed up that day when all of God’s children − back men and white men, Jews and Gentiles, Protestants and Catholics − will be able to join hands and sing in the words of the old Negro spiritual: 'Free at last! Free at last! Thank God Almighty, we are free at last!' I have a dream that one day this nation will rise up and live out the true meaning of its creed: 'we hold these truths to be self-evident: that all men are created equal'."

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(Political Science) : Chapter 4 Gender Religion and Caste


Question 1: Mention different aspects of life in which women are discriminated or disadvantaged in India.

Question 2: State different forms of communal politics with one example each.

Question 3: State how caste inequalities are still continuing in India.

Question 4: State two reasons to say that caste alone cannot determine election results in India.

Question 5: What is the status of women’s representation in India’s legislative bodies?

Question 6: Mention any two constitutional provisions that make India a secular state.

Question 7: When we speak of gender divisions, we usually refer to:

(a) Biological difference between men and women
(b) Unequal roles assigned by the society to men and women
(c) Unequal child sex ratio
(d) Absence of voting rights for women in democracies

Question 8: In India seats are reserved for women in

(a) Lok Sabha
(b) State Legislative Assemblies
(c) Cabinets
(d) Panchayati Raj bodies

Question 9: Consider the following statements on the meaning of communal politics. Communal politics is based on the belief that:

Α. One religion is superior to that of others.
Β. People belonging to different religions can live together happily as equal citizens.
C. Followers of a particular religion constitute one community.
D. State power cannot be used to establish the domination of one religious group over others.

Question 10: Which among the following statements about India’s Constitution is wrong? It

(a) prohibits discrimination on grounds of religion
(b) gives official status to one religion
(c) provides to all individuals freedom to profess any religion
(d) ensures equality of citizens within religious communities

Question 11: Social divisions based on ______________ are peculiar to India.

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NCERT Hindi Question Paper (Class - 10)

NCERT  Hindi Question Paper (Class-10)


Chapter 1 Soor Das ke Pad


1- गोपियों द्वारा उद्धव को भाग्यवान कहने में क्या व्यंग्य निहित है?

2- उद्धव के व्यवहार की तुलना किस-किस से की गई है?

3- गोपियों ने किन-किन उदाहरणों के माध्यम से उद्धव को उलाहने दिए हैं?

4- उद्धव द्वारा दिए गए योग के संदेश ने गोपियों की विरहाग्नि में घी का काम कैसे किया?

5- ‘मरजादा न लही’ के माध्यम से कौन-सी मर्यादा न रहने की बात की जा रही है?

6- कृष्ण के प्रति अपने अनन्य प्रेम को गोपियों ने किस प्रकार अभिव्यक्त किया है?

7- गोपियों ने उद्धव से योग की शिक्षा कैसे लोगों को देने की बात कही है?

8- प्रस्तुत पदों के आधार पर गोपियों का योग-साधना के प्रति दृष्टिकोण स्पष्ट करें।

9- गोपियों के अनुसार राजा का धर्म क्या होना चाहिए?

10- गोपियों को कृष्ण में ऐसे कौन-से परिवर्तन दिखाई दिए जिनके कारण वे अपना मन वापस पा लेने की बात कहती हैं?

11- गोपियों ने अपने वाव्फ़चातुर्य के आधार पर ज्ञानी उद्धव को परास्त कर दिया, उनके वाव्फ़चातुर्य की विशेषताएँ लिखिए?

12- संकलित पदों को ध्यान में रखते हुए सूर के भ्रमरगीत की मुख्य विशेषताएँ बताइए? रचना और अभिव्यक्ति

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NCERT English Question Paper (Class - 10)

NCERT  English Question Paper (Class - 10)


Chapter 1 A Letter to God


Question 1: What did Lencho hope for?

Question 2: Why did Lencho say the raindrops were like ‘new coins’?

Question 3: How did the rain change? What happened to Lencho’s fields?

Question 4: What were Lencho’s feelings when the hail stopped?

Question 5: Who or what did Lencho have faith in? What did he do?

Question 6: Who read the letter?

Question 7: What did the postmaster do then?

Question 8: Who does Lencho have complete faith in? Which sentences in the story tell you this?

Question 9: Why does the postmaster send money to Lencho? Why does he sign the letter ‘God’?

Question 10: Did Lencho try to find out who had sent the money to him? Why/Why not?

Question 11: Who does Lencho think has taken the rest of the money? What is the irony in the situation? [Remember that the irony of a situation is an unexpected aspect of it. An ironic situation is strange or amusing because it is the opposite of what is expected.]

Question 12: Are there people like Lencho in the real world? What kind of a person would you say he is? You may select appropriate words from the box to answer the question.

Question 13: There are two kinds of conflict in the story: between humans and nature, and between humans themselves. How are these conflicts illustrated?

Question 14: Was Lencho surprised to find a letter for him with money in it?

Question 15: What made him angry?

Question 16: There are different names in different parts of the world for storms,depending on their nature. Can you match the names in the box with theirdescriptions below, and fill in the blanks? You may use a dictionary to help

Question 17: Match the sentences in Column A with the meanings of ‘hope’ in Column B.

Question 18: Relative Clauses Join the sentences given below using who, whom, whose, which as suggested.

Question 19: Find sentences in the story with negative words, which express the following ideas emphatically.

Question 20: In pairs, find metaphors from the story to complete the table below. Try to say what qualities are being compared. One has been done for you.


Chapter 2 Long Walk to Freedom


Oral Comprehension Check

Question 1: Where did the ceremonies take place? Can you name any public buildings in India that are made of sandstone?

Question 2: Can you say how 10 May is an ‘autumn day’ in South Africa?

Question 3: At the beginning of his speech, Madela mentions “an extraordinary human disaster”. What does he mean by this? What is the “glorious … human achievement” he speaks of at the end?

Question 4: What does Mandela thank the international leaders for?

Question 5: What ideals does he set out for the future of South Africa?

Question 6: What do the military generals do? How has their attitude changed, and why?

Question 7: Why were two national anthems sung?

Question 8: How does Mandela describe the systems of government in his country (i) in the first decade, and (ii) in the final decade, of the twentieth century?

Question 9: What does courage mean to Mandela?

Question 10: Which does he think is natural, to love or to hate?

Thinking About the Text

Question 1: Why did such a large number of international leaders attend the inauguration? Whatdid it signify the triumph of?

Question 2: What does Mandela mean when he says he is “simply the sum of all those Africanpatriots” who had gone before him?

Question 3: Would you agree that the “depths of oppression” create “heights of character? How does Mandela illustrate this? Can you add your own examples to this argument?

Question 4: How did Mandela’s understanding of freedom change with age and experience?

Question 5: How did Mandela’s ‘hunger for freedom’ change his life?

Thinking About Language

Question 1: There are nouns in the text (formation, government) which are formed from the corresponding verbs (form, govern) by suffixing − (at)ion or ment. There may be change in the spelling of some verb − noun pairs: such as rebel, rebellion; constitute, constitution.

Question 2: Here are some more examples of ‘the’ used with proper names. Try to say what these sentences mean. (You may consult a dictionary if you wish. Look at the entry for ‘the’)

Question 3: Match, the italicised phrases in Column A with the phrase nearest meaning in Column B. (Hint: First look for the sentence in the text which the phrase in column A occurs.)
Oral Comprehension Check

Question 4: What “twin obligations” does Mandela mention?

Question 5: What did being free mean to Mandela as a boy, and as a student? How does he contrast these “transitory freedoms” with “the basic and honourable freedoms”?

Question 6: Does Mandela think the oppressor is free? Why/Why not?


Chapter 3 Two Stories About Flying


Question 1: Why was the young seagull afraid to fly? Do you think all young birds are afraid to make their first flight, or are some birds more timid than others? Do you think a human baby also finds it a challenge to take its first steps?

Question 2: “The sight of the food maddened him.” What does this suggest? What compelled the young seagull to finally fly?

Question 3:  “They were beckoning to him, calling shrilly. “Why did the seagull’s father and mother threaten him and cajole him to fly?

Question 4: Have you ever had a similar experience, where your parents encouraged you to do something that you were too scared to try? Discuss this in pairs or groups.

Question 5: In the case of a bird flying, it seems a natural act, and a foregone conclusion that it should succeed. In the examples you have given in answer to the previous question, was your success guaranteed, or was it important for you to try, regardless of a possibility of failure?

Question 6: “I’ll take the risk.” What is the risk? Why does the narrator take it?

Question 7: Describe the narrator’s experience as he flew the aeroplane into the storm.

Question 8: Why does the narrator say, “I landed and was not sorry to walk away from the old Dakota…”?

Question 9: What made the woman in the control centre look at the narrator strangely?

Question 10: Who do you think helped the narrator to reach safely? Discuss this among yourselves and give reasons for your answer.

Question 11: Try to guess the meanings of the word ‘black’ in the sentences given below. Check the meanings in the dictionary and find out whether you have guessed right.

1. Go and have a bath; your hands and face are absolutely black __________.
2. The taxi-driver gave Ratan a black look as he crossed the road when the traffic light was green. __________
3. The bombardment of Hiroshima is one of the blackest crimes against humanity. __________
4. Very few people enjoy Harold Pinter’s black comedy. __________
5. Sometimes shopkeepers store essential goods to create false scarcity and then sell these in black. __________
6. Villagers had beaten the criminal black and blue. __________

Question 12: Match the phrases given under Column A with their meanings given under Column B:

Question 13: We know that the word ‘fly’ (of birds/insects) means to move through air using wings. Tick the words which have the same or nearly the same meaning.


Chapter 4 From the Diary of Anne Frank


Question 1: Do you keep a diary? Given below under ‘A’ are some terms we use to describe a written record of personal experience. Can you match them with their descriptions under ‘B’? (You may look up the terms in a dictionary if you wish.)

Question 2: Here are some entries from personal records. Use the definitions above to decide which of the entries might be from a diary, a journal, a log or a memoir. (i) I woke up very late today and promptly got a scolding from Mum! I can’t help it − how can I miss the FIFA World Cup matches?

Question 3: Why does Anne provide a brief sketch of her life?

Question 4: What tells you that Anne loved her grandmother?

Question 5: Was Anne right when she said that the world would not be interested in the musings of a thirteen-year-old girl?

Question 6: There are some examples of diary or journal entries in the ‘Before You Read’ section. Compare these with what Anne writes in her diary. What language was the diary originally written in? In what way is Anne’s dairy different?

Question 7: Why does Anne need to give a brief sketch about her family? Does she treat ‘Kitty’ as an insider or an outsider?

Question 8: How does Anne feel about her father, her grandmother, Mrs Kuperus and Mr Keesing? What do these tell you about her?

Question 9: What does Anne write in her first essay?

Question 10: Anne says teachers are most unpredictable. Is Mr Keesing unpredictable? How?

Question 11: What do these statements tell you about Anne Frank as a person?

(i) We don’t seem to be able to get any closer, and that’s the problem. Maybe it’s my fault that we don’t confide in each other.
(ii) I don’t want to jot down the facts in this diary the way most people would, but I want the diary to be my friend.
(iii) Margot went to Holland in December, and I followed in February, when I was plunked down on the table as a birthday present for Margot.
(iv) If you ask me, there are so many dummies that about a quarter of the class should be kept back, but teachers are the most unpredictable creatures on earth.
(v) Anyone could ramble on and leave big spaces between the words, but the trick was to come up with convincing arguments to prove the necessity of taking.

Question 12: Why was Mr Keesing annoyed with Anne? What did he ask her to do?

Question 13: How did Anne justify her being a chatterbox in her essay?

Question 14: Do you think Mr Keesing was a strict teacher?

Question 15: What made Mr Keesing allow Anne to talk in class?

Question 16: Match the compound words under ‘A’ with their meanings under ‘B’. Use each in sentence.

Question 17: Phrasal Verbs Find the sentences in the lesson that have the phrasal verbs given below. Match them with their meanings.

Question 18:  Idioms
1. Here are a few sentences from the text which have idiomatic expressions. Can you say what each means? (You might want to consult a dictionary first.)

Question 19: You have read the expression ‘not to lose heart’ in this text. Now find out the meanings of the following expressions using the word ‘heart’. Use each of them in a sentence of your own.

Question 20: Contracted Forms 1. Make a list of the contracted forms in the text. Rewrite them as full forms of two words.

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Chapter Chapter 5 The Hundred Dresses


Question 1: Where in the classroom does Wanda sit and why?

Question 2: Where does Wanda live? What kind of a place do you think it is?

Question 3: When and why do Peggy and Maddie notice Wanda’s absence?

Question 4:  What do you think “to have fun with her” means?

Question 5: In what way was Wanda different from the other children?

Question 6: Did Wanda have a hundred dresses? Why do you think she said she did?

Question 7: Why is Maddie embarrassed by the questions Peggy asks Wanda? Is she also like Wanda, or is she different?

Question 8: How is Wanda seen as different by the other girls? How do they treat her?

Question 9: How does Wanda feel about the dresses game? Why does she say that she has a hundred dresses?

Question 10: Why does Maddie stand by and not do anything? How is she different from Peggy? (Was Peggy’s friendship important to Maddie? Why? Which lines in the text tell you this?)

Question 11: What does Miss Mason think of Wanda’s drawings? What do the children think of them? How do you know?

Question 12: Why didn’t Maddie ask Peggie to stop teasing Wanda? What was she afraid of?

Question 13: Who did Maddie think would win the drawing contest? Why?

Question 14: Who won the drawing contest? What had the winner drawn?

Question 15: Combine the following to make sentences like those above.

1. This is the bus (what kind of bus?) It goes to Agra. (use which or that)
2. I would like to buy (a) shirt (which shirt?). (The) shirt is in the shop window. (use which or that)
3. You must break your fast at a particular time (when?). You see the moon in the sky. (use when)
4. Find a word (what kind of word?). It begins with the letter Z. (use which or that).
5. Now find a person (what kind of person). His or her name begins with the letter Z. (use whose)
6. Then go to a place (what place?). There are no people whose name begins with Z in that place. (use where)

Question 16:  1. Can you say whose point of view the italicised words express?

(i) But on Wednesday, Peggy and Maddie, who sat down front with other children who got good marks and who didn’t track in a whole lot of mud, did notice that Wanda wasn’t there.
(ii) Wands Petronski. Most of the children in Room Thirteen didn’t have names like that. They had names easy to say, like Thomas, Smith or Allen.

Question 17: Look at this sentence. The italicised adverb expresses an opinion or point of view. Obviously, the only dress Wanda had was the blue one she wore every day. (This was obvious to the speaker.)


Chapter 6 The Hundred Dresses(2)


Question 1: What did Mr Petronski’s letter say?

Question 2: Is Miss Mason angry with the class, or is she unhappy and upset?

Question 3: How does Maddie feel after listening to the note from Wanda’s father?

Question 4: What does Maddie want to do?

Question 5: What excuses does Peggy think up for her behaviour? Why?

Question 6: What are Maddie’s thoughts as they go to Boggins Heights?

Question 7: Why does Wanda’s house remind Maddie of Wanda’s blue dress?

Question 8: What does Maddie think hard about? What important decision does she come to?

Question 9: Why do you think Wanda’s family moved to a different city? Do you think life there was going to be different for their family?

Question 10: Maddie thought her silence was as bad as Peggy’s teasing. Was she right?

Question 11: Peggy says, “I never thought she had the sense to know we were making fun of her anyway. I thought she was too dumb. And gee, look how she can draw!” What led Peggy to believe that Wanda was dumb? Did she change her opinion later?

Question 12: What did the girls write to Wanda?

Question 13: Did they get a reply? Who was more anxious for a reply, Peggy or Maddie? How do

Question 14: How did the girls know that Wanda liked them even though they had teased her?

Question 15: What important decision did Maddie make? Why did she have to think hard to do so?

Question 16: Why do you think Wanda gave Maddie and Peggy the drawings of the dresses? Why are they surprised?

Question 17: Do you think Wanda really thought the girls were teasing her? Why or why not?

Question 18: Here are thirty adjectives describing human qualities. Discuss them with your partner and put them in the two word webs (given below) according to whether you think they show positive or negative qualities. You can consult a dictionary if you are not sure of the meanings of some of the words. You may also add to the list the positive or negative ‘pair’ of a given words.

Question 19: What adjectives can we use to describe Peggy, Wanda and Maddie? You can choose adjectives from the list above. You can also add some of your own.

Question 20: 1.Find the sentences in the story with the following phrasal verbs.

Question 21: Colours are used to describe feelings, moods and emotions. Match the following ‘colour expressions’ with a suggested paraphrase.

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NCERT Mathematics Question Paper (Class - 9)

NCERT Mathematics Question Paper (Class - 9)

 


(Mathematics) Chapter 3 Coordinate Geometry


EXERCISE 3.1 

Question 1. How will you describe the position of a table lamp on your study table to another person?

Question 2. (Street Plan) : A city has two main roads which cross each other at the centre of the city. These two roads are along the North-South direction and East-West direction.

(i) The perpendicular distance of the point P from the y - axis measured along the positive direction of the x - axis is PN = OM = 4 units.
(ii) The perpendicular distance of the point P from the x - axis measured along the positive direction of the y - axis is PM = ON = 3 units.
(iii) The perpendicular distance of the point Q from the y - axis measured along the negative direction of the x - axis is OR = SQ = 6 units.
(iv) The perpendicular distance of the point Q from the x - axis measured along the negative direction of the y - axis is OS = RQ = 2 units. Now, using these distances, how can we describe the points so that there is no confusion? We write the coordinates of a point, using the following conventions:

(i) The x - coordinate of a point is its perpendicular distance from the y - axis measured along the x -axis (positive along the positive direction of the x - axis and negative along the negative direction of the x - axis). For the point P, it is + 4 and for Q, it is – 6. The x - coordinate is also called the abscissa.
(ii) The y - coordinate of a point is its perpendicular distance from the x - axis measured along the y - axis (positive along the positive direction of the y - axis and negative along the negative direction of the y - axis). For the point P, it is + 3 and for Q, it is –2. The y - coordinate is also called the ordinate.
(iii) In stating the coordinates of a point in the coordinate plane, the x - coordinate comes first, and then the y - coordinate. We place the coordinates in brackets. Hence, the coordinates of P are (4, 3) and the coordinates of Q are (– 6, – 2). Note that the coordinates describe a point in the plane uniquely. (3, 4) is not the same as (4, 3).

EXERCISE 3.2

Question 1.Write the answer of each of the following questions:

(i) What is the name of horizontal and the vertical lines drawn to determine the position of any point in the Cartesian plane?
(ii) What is the name of each part of the plane formed by these two lines?
(iii) Write the name of the point where these two lines intersect.

Questions 2. See Fig.3.14, and write the following:

(i) The coordinates of B.
(ii) The coordinates of C.
(iii) The point identified by the coordinates (–3, –5).
(iv) The point identified by the coordinates (2, – 4).
(v) The abscissa of the point D.
(vi) The ordinate of the point H.
(vii) The coordinates of the point L.
(viii) The coordinates of the point M.


(Mathematics) Chapter 4 Linear Equations in Two Variables


EXERCISE 4.1

Question 1. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be Rs x and that of a pen to be Rs y).

Question 2. Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in each case:

(i) 2x + 3y = 9.35
(ii) x – 5 y – 10 = 0
(iii) –2x + 3y = 6
(iv) x = 3y
(v) 2x = –5y (
vi) 3x + 2 = 0
(vii) y – 2 = 0
(viii) 5 = 2x

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-12) : Mathematics

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-12)

Mathematics


Exam Name : CBSE Borad Exam Class - 12 Topper Model Answers 2019

Subject : Mathematics (Model Answer)

CBSE Special TX: 
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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-10) : Mathematics

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CBSE TOPPER MODEL ANSWERS 2019 (CLASS-10)


  • Exam Name : CBSE Borad Exam Class - 10 Toppers Model Answers 2019

  • Subject : Mathematics (Model Answer)

CBSE Special TX: 
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(NCERT Ebook): India-Unity in Cultural Diversity



(NCERT Ebook): India-Unity in Cultural Diversity



India-Unity in Cultural Diversity

Contents :

Chapter                Page No.

GENERAL: 
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NCERT Science Question Paper (Class-9)

NCERT  Science Question Paper (Class-9)


Chapter 1 Matter In Our Surroundings


Question 1. Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, cold, colddrink, smell of perfume.

Question 2. Give reasons for the following observation: The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

Question 3. A diver is able to cut through water in a swimming pool. Which property of matter does this observation show?

Question 4. What are the characteristics of the particles of matter?

Question 5. The mass per unit volume of a substance is called density. (density = mass/volume). Arrange the following in order of increasing density – air, exhaust from chimneys, honey, water, chalk, cotton and iron.

Question 6. (a) Tabulate the differences in the characterisitcs of states of matter. (b) Comment upon the following: rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.

Question 7. Give reasons
(a) A gas fills completely the vessel in which it is kept.
(b) A gas exerts pressure on the walls of the container. (c) A wooden table should be called a solid. (d) We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert.

Question 8. Liquids generally have lower density as compared to solids. But you must have observed that ice floats on water. Find out why.

Question 9. Convert the following temperature to celsius scale: a. 300 K b. 573 K.

Question 10. What is the physical state of water at: a. 250ºC b. 100ºC ? 3. For any substance, why does the temperature remain constant during the change of state? 4. Suggest a method to liquefy atmospheric gases.

Question 11. Why does a desert cooler cool better on a hot dry day?

Question 12. How does the water kept in an earthen pot (matka) become cool during summer?

Question 13. Why does our palm feel cold when we put some acetone or petrol or perfume on it? 4. Why are we able to sip hot tea or milk faster from a saucer rather than a cup?

Question 14. What type of clothes should we wear in summer?

Question 15 1. Convert the following temperatures to the Celsius scale.

(a) 300 K
(b) 573 K.
 
Question 16. Convert the following temperatures to the Kelvin scale.

(a) 25°C
(b) 373°C.

Question 17. Give reason for the following observations.

(a) Naphthalene balls disappear with time without leaving any solid.
(b) We can get the smell of perfume sitting several metres away.

Question 18. Arrange the following substances in increasing order of forces of attraction between the particles— water, sugar, oxygen.

Question 19. What is the physical state of water at—

(a) 25°C
(b) 0°C
(c) 100°C ?

Question 20. Give two reasons to justify—

(a) water at room temperature is a liquid.
(b) an iron almirah is a solid at room temperature.

Question 21. Why is ice at 273 K more effective in cooling than water at the same temperature?

Question 22. What produces more severe burns, boiling water or steam?

Question 23. Name A,B,C,D,E and F in the following diagram showing change in its state


Chapter 2 Is Matter Around Us Pure


Question 1. What is meant by a pure substance?

Question 2. List the points of differences between homogeneous and heterogeneous mixtures.

Question 3. Differentiate between homogeneous and heterogeneous mixtures with examples.

Question 4. How are sol solution and suspension different from each other?

Question 5. To make a saturated solution 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.

Question 6. How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25ºC) which are miscible with each other?

Question 7. Name the technique to separate

(i) butter from curd
(ii) salt from sea-water
(iii) camphor from salt.

Question 8. What type of mixtures are separated by the technique of crystallisation?

Question 9. Classify the following as chemical or physical changes:

  • cutting of trees

  • melting of butter in a pan

  • rusting of almirah

  • boiling of water to form steam

  • passing of electric current through water and the water breaking down into hydrogen and oxygen gases

  • dissolving common salt in water

  • making a fruit salad with raw fruits and

  • burning of paper and wood.

Question 10. Try segregating the things around you as pure substances or mixtures. NCERT Solutions Intext Questions Page no.

Question 11. Which separation techniques will you apply for the separation of the following?

(a) Sodium chloride from its solution in water.
(b) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
(c) Small pieces of metal in the engine oil of a car.
(d) Different pigments from an extract of flower petals.
(e) Butter from curd.
(f) Oil from water.
(g) Tea leaves from tea.
(h) Iron pins from sand.
(i) Wheat grains from husk.
(j) Fine mud particles suspended in water.

Question 12. Write the steps you would use for making tea. Use the words solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue.

Question 13. Pragya tested the solubility of three different substances at different temperatures and collected the data as given below (results are given in the following table, as grams of substance dissolved in 100 grams of water to form a saturated solution) .

(a) What mass of potassium nitrate would be needed to produce a saturated solution of potassium nitrate in 50 grams of water at 313 K?
(b) Pragya makes a saturated solution of potassium chloride in water at 353 K and leaves the solution to cool at room temperature. What would she observe as the solution cools? Explain.
(c) Find the solubility of each salt at 293 K. Which salt has the highest solubility at this temperature?
(d) What is the effect of change of temperature on the solubility of a salt?

Question 14. Explain the following giving examples.

(a) saturated solution
(b) pure substance
(c) colloid
(d) suspension

Question 15. Classify each of the following as a homogeneous or heterogeneous mixture. soda water, wood, air, soil, vinegar, filtered tea.

Question 16. How would you confirm that a colourless liquid given to you is pure water?

Question 17. Which of the following materials fall in the category of a “pure substance”?

(a) Ice
(b) Milk
(c) Iron
(d) Hydrochloric acid
(e) Calcium oxide
(f) Mercury
(g) Brick
(h) Wood
(i) Air.

Question 18. Identify the solutions among the following mixtures.

(a) Soil
(b) Sea water
(c) Air
(d) Coal
(e) Soda water.

Question 19. Which of the following will show “Tyndall effect”?

(a) Salt solution
(b) Milk
(c) Copper sulphate solution
(d) Starch solution.

Question 20. Classify the following into elements, compounds and mixtures.

(a) Sodium
(b) Soil
(c) Sugar solution
(d) Silver
(e) Calcium carbonate
(f) Tin
(g) Silicon
(h) Coal
(i) Air
(j) Soap
(k) Methane
(l) Carbon dioxide
(m) Blood

Question 21. Which of the following are chemical changes?

(a) Growth of a plant
(b) Rusting of iron
(c) Mixing of iron filings and sand
(d) Cooking of food
(e) Digestion of food
(f) Freezing of water
(g) Burning of a candle.


Chapter 3 Atoms and Molecules


Quetion 1. In a reaction, 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.2 g of carbon = dioxide, 0.9 g water and 8.2 g of sodium ethanoate. Show that theseobservations are in agreement with the law of conservation of mass. sodium carbonate + ethanoic acid → sodium ethanoate + carbon dioxide + water

Quetion 2. Hydrogen and oxygen combine in the ratio of 1:8 by mass to form water. What mass of oxygen gas would be required to react completely with 3 g of hydrogen gas?

Quetion 3. Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?

Quetion 4. Which postulate of Dalton’s atomic theory can explain the law of definite proportions?

Quetion 5. Define the atomic mass unit.

Quetion 6. Why is it not possible to see an atom with naked eyes?

Quetion 7.Following formulae:

(i) Al2(SO4)3
(ii) CaCl2
(iii) K2SO4
(iv) KNO3
(v) CaCO3.

Question 8. What is meant by the term chemical formula?

Question 9. How many atoms are present in a

(i) H2S molecule and
(ii) PO4 3– ion?

Question 10. Write down the formulae of

(i) sodium oxide
(ii) aluminium chloride
(iii) sodium suphide
(iv) magnesium hydroxide

Question 11. Write down the names of compounds represented by the

Question 12. Calculate the molecular masses of H2, O2, Cl2, CO2, CH4, C2H6, C2H4, NH3, CH3OH.

Question 13. Calculate the formula unit masses of ZnO, Na2O, K2CO3, given atomic masses of Zn = 65 u, Na = 23 u, K = 39 u, C = 12 u, and O = 16 u.

Question 14. If one mole of carbon atoms weighs 12 gram, what is the mass (in gram) of 1 atom of carbon?

Question 15. Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?

Question 16. A 0.24 g sample of compound of oxygen and boron was found by analysis to contain 0.096 g of boron and 0.144 g of oxygen. Calculate the percentage composition of the compound by weight.

Question 17 . When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon dioxide is produced. What mass of carbon dioxide will be formed when 3.00 g of carbon is burnt in 50.00 g of oxygen? Which law of chemical combination will govern your answer?

Question 18. What are polyatomic ions? Give examples.

Question 19 Write the chemical formulae of the following.

(a) Magnesium chloride
(b) Calcium oxide
(c) Copper nitrate
(d) Aluminium chloride
(e) Calcium carbonate.

Question 20. Give the names of the elements present in the following compounds.

(a) Quick lime
(b) Hydrogen bromide
(c) Baking powder
(d) Potassium sulphate.

Question 21. Calculate the molar mass of the following substances.

(a) Ethyne, C2H2
(b) Sulphur molecule, S8
(c) Phosphorus molecule, P4 (Atomic mass of phosphorus = 31)
(d) Hydrochloric acid, HCl
(e) Nitric acid, HN O3

Question 22. What is the mass of—

(a) 1 mole of nitrogen atoms?
(b) 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?
(c) 10 moles of sodium sulphite (Na2SO3)?

Question 23. Convert into mole.

(a) 12 g of oxygen gas
(b) 20 g of water
(c) 22 g of carbon dioxide.

Question 24. What is the mass of:

(a) 0.2 mole of oxygen atoms?
(b) 0.5 mole of water molecules?

Question 25. Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.

Question 26. Calculate the number of aluminium ions present in 0.051 g of aluminium oxide. (Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)

 

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Chapter 4 Structure of The Atom


Question 1. What are canal rays?

Question 2. If an atom contains one electron and one proton, will it carry any charge or not?

Question 3. On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.

Question 4. On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?

Question 5. Draw a sketch of Bohr’s model of an atom with three shells.

Question 6. What do you think would be the observation if the α-particle scattering experiment is carried out using a foil of a metal other than gold?  

Question 7. Write the distribution of electrons in carbon and sodium atoms.

Question 8. If K and L shells of an atom are full, then what would be the total number of electrons in the atom?

Question 9. How will you find the valency of chlorine, sulphur and magnesium?

Question 10. For the symbol H,D and T tabulate three sub-atomic particles found in each of them.

Question 12. Write the electronic configuration of any one pair of isotopes and isobars.

Question 13. Compare the properties of electrons, protons and neutrons.

Question 14. What are the limitations of J.J. Thomson’s model of the atom?

Question 15. What are the limitations of Rutherford’s model of the atom?

Question 16. Describe Bohr’s model of the atom.

Question 17. Compare all the proposed models of an atom given in this chapter.

Question 18. Summarise the rules for writing of distribution of electrons in various shells for the first eighteen elements.

Question 19. Define valency by taking examples of silicon and oxygen.

Question 20. Explain with examples

(i) Atomic number
(ii) Mass number
(iii) Isotopes
(iv) Isobars. Give any two uses of isotopes.

Question 21. Na+ has completely filled K and L shells. Explain.

Question 22. If bromine atom is available in the form of, say, two isotopes 79 35 Br (49.7%) and 81 35 Br (50.3%), calculate the average atomic mass of bromine atom.

Question 23. The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes 16 8 X and 18 8 X in the sample?

Question 24. If Z = 3, what would be the valency of the element? Also, name the element.

Question 25. Composition of the nuclei of two atomic species X and Y are given as under X Y Protons = 6 6 Neutrons = 6 8 Give the mass numbers of X and Y. What is the relation between the two species?

Question 26. For the following statements, write T for True and F for False.

(a) J.J. Thomson proposed that the nucleus of an atom contains only nucleons.
(b) A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
(c) The mass of an electron is about 1 2000 times that of proton.
(d) An isotope of iodine is used for making tincture iodine, which is used as a medicine. Put tick () against correct choice and cross (×) against wrong choice in questions 15, 16 and 17

Question 27. Rutherford’s alpha-particle scattering experiment was responsible for the discovery of

(a) Atomic Nucleus
(b) Electron
(c) Proton
(d) Neutron

Question 28. Isotopes of an element have

(a) the same physical properties
(b) different chemical properties
(c) different number of neutrons
(d) different atomic numbers.

Question 29. Number of valence electrons in Cl– ion are:

(a) 16
(b) 8
(c) 17
(d) 18

Question 30. Which one of the following is a correct electronic configuration of sodium?

(a) 2,8
(b) 8,2,1
(c) 2,1,8
(d) 2,8,1.

Question 31. Complete the following table.


Chapter 5 The Fundamental Unit of Life


Question 1. Who discovered cells, and how?

Question 2. Why is the cell called the structural and functional unit of life?

Question 3. How do substances like CO2 and water move in and out of the cell? Discuss.

Question 4. Why is the plasma membrane called a selectively permeable membrane?  

Question 5. Fill in the gaps in the following table illustrating differences between prokaryotic and eukaryotic cells.

Question 6. Can you name the two organelles we have studied that contain their own genetic material?

Question 7. If the organisation of a cell is destroyed due to some physical or chemical influence, what will happen?

Question 8. Why are lysosomes known as suicide bags?

Question 9. Where are proteins synthesised inside the cell?

Question 10. Make a comparison and write down ways in which plant cells are different from animal cells.

Question 12. How is a prokaryotic cell different from a eukaryotic cell?

Question 13. What would happen if the plasma membrane ruptures or breaks down?

Question 14. What would happen to the life of a cell if there was no Golgi apparatus?

Question 15. Which organelle is known as the powerhouse of the cell? Why?

Question 16. Where do the lipids and proteins constituting the cell membrane get synthesised?

Question 17. How does an Amoeba obtain its food?

Question 18. What is osmosis?

Question 19. Carry out the following osmosis experiment: Take four peeled potato halves and scoos each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,

(a) Keep cup A empty
(b) Put one teaspoon sugar in cup B
(c) Put one teaspoon salt in cup C
(d) Put one teaspoon sugar in the boiled potato cup D.

Keep these for two hours. Then observe the four potato cups and answer the following:
(i) Explain why water gathers in the hollowed portion of B and C.
(ii) Why is potato A necessary for this experiment?
(iii) Explain why water does not gather in the hollowed out portions of A and D.


Chapter 7 Diversity In Living Organisms


Question 1. Why do we classify organisms?

Question 2. Give three examples of the range of variations that you see in lifeforms around you

Question 3. Which do you think is a more basic characteristic for classifying organisms?

(a) The place where they live.
(b) The kind of cells they are made of. Why?

Question 4. What is the primary characteristic on which the first division of organisms is made?

Question 5. On what bases are plants and animals put into different categories?

Question 6. Which organisms are called primitive and how are they different from the so-called advanced organisms?

Question 7. Will advanced organisms be the same as complex organisms? Why?

Question 8. What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?

Question 9. In which kingdom will you place an organism which is singlecelled, eukaryotic and photosynthetic?

Question 10. In the hierarchy of classification, which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?

Question 11. Which division among plants has the simplest organisms?

Question 12. How are pteridophytes different from the phanerogams?

Question 13. How do gymnosperms and angiosperms differ from each other?

Question 14. How do poriferan animals differ from coelenterate animals?

Question 15. How do annelid animals differ from arthropods?

Question 16. What are the differences between amphibians and reptiles?

Question 17. What are the differences between animals belonging to the Aves group and those in the mammalia group?

Question 18. What are the advantages of classifying organisms?

Question 19. How would you choose between two characteristics to be used for developing a hierarchy in classification?

Question 20. Explain the basis for grouping organisms into five kingdoms.

Question 21. What are the major divisions in the Plantae? What is the basis for these divisions?

Question 22. How are the criteria for deciding divisions in plants different from the criteria for deciding the subgroups among animals?

Question 23. Explain how animals in Vertebrata are classified into further subgroups.


Chapter 8 Motion


Question 1. An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example.

Question 2. A farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds?

Question 3. Which of the following is true for displacement?

(a) It cannot be zero.
(b) Its magnitude is greater than the distance travelled by the object.

Question 4. Distinguish between speed and velocity.

Question 5. Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?

Question 6. What does the odometer of an automobile measure?

Question 7. What does the path of an object look like when it is in uniform motion?

Question 5. During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of

Question 8. When will you say a body is in

(i) uniform acceleration?
(ii) nonuniform acceleration?

Question 9. A bus decreases its speed from 80 km h–1 to 60 km h–1 in 5 s. Find the acceleration of the bus.

Question 10. A train starting from a railway station and moving with uniform acceleration attains a speed 40 km h–1 in 10 minutes. Find its acceleration.

Question 11. What is the nature of the distance-time graphs for uniform and non-uniform motion of an object?

Question 12. What can you say about the motion of an object whose distance-time graph is a straight line parallel to the time axis?

Question 13. What can you say about the motion of an object if its speedtime graph is a straight line parallel to the time axis?

Question 14. What is the quantity which is measured by the area occupied below the velocity-time graph?

Question 15. A bus starting from rest moves with a uniform acceleration of 0.1 m s-2 for 2 minutes. Find

(a) The speed acquired,
(b) The distance travelled

Question 16. A train is travelling at a speed of 90 km h–1. Brakes are applied so as to produce a uniform acceleration of – 0.5 m s-2. Find how far the train will go before it is brought to rest.

Question 17. A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3 s after the start?

Question 18. A racing car has a uniform acceleration of 4 m s-2. What distance will it cover in 10 s after start?

Question 19. A stone is thrown in a vertically upward direction with a velocity of 5 m s-1. If the acceleration of the stone during its motion is 10 m s–2 in the downward direction, what will be the height attained by the stone and how much time will it take to reach there?

Question 20. An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s?

Question 21. Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 50 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging

(a) from A to B and
(b) from A to C?

Question 22. Abdul, while driving to school, computes the average speed for his trip to be 20 km h–1. On his return trip along the same route, there is less traffic and the average speed is 40 km h–1. What is the average speed for Abdul’s trip?

Question 23. A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m s–2 for 8.0 s. How far does the boat travel during this time?

Question 24. A driver of a car travelling at 52 km h–1 applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5 s. Another driver going at 3 km h–1 in another car applies his brakes slowly and stops in 10 s. On the same graph paper, plot the speed versus time graphs for the two cars. Which of the two cars travelled farther after the brakes were applied?


Chapter 9 Force and Laws of Motion

GENERAL: 
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Exam / Class: 

NCERT Hindi Question Paper (Class-9)

NCERT Hindi Question Paper (Class-9)


Chapter 1 do Bailo ki Katha



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Exam / Class: 

NCERT English Question Paper (Class-9)

NCERT English Question Paper (Class-9)

 

Chapter 1 The Fun they Had

Question 1:

1. Find the sentences in the lesson which have the adverbs given in the box below. awfully sorrowfully completely loftily carefully differently quickly nonchalantly

2. Now use these adverbs to fill in the blanks in the sentences below.

(i) The report must be read __________ so that performance can be improved.
(ii) At the interview, Sameer answered our questions __________ shrugging his shoulders.
(iii) We all behave __________ when we are tired or hungry.
(iv) The teacher shook her head __________ when Ravi lied to her.
(v) I __________ forgot about it.
(vi) When I complimented Revathi on her success, she just smiled __________ and turned away.
(vii) The President of the Company is __________busy and will not be able to meet you.
(viii) I finished my work __________ so that I could go out to play.

3. Make adverbs from these adjectives.

(i) angry __________ (ii) happy __________
(iii) merry __________ (iv) sleepy __________
(v) easy __________ (vi) noisy __________
(vii) tidy __________ (viii) gloomy __________

Question 1: Answer these questions in a few words or a couple of sentences each.

1. How old are Margie and Tommy?
2. What did Margie write in her diary?
3. Had Margie ever seen a book before?
4. What things about the book did she find strange?
5. What do you think a telebook is?
6. Where was Margie’s school? Did she have any classmates?
7. What subjects did Margie and Tommy learn?

Question 2: Answer the following with reference to the story.

1. “I wouldn’t throw it away.”

(i) Who says these words?
(ii) What does ‘it’ refer to?
(iii) What is it being compared with by the speaker?

2. “Sure they had a teacher, but it wasn’t a regular teacher. It was a man.”

(i) Who does ‘they’ refer to?
(ii) What does ‘regular’ mean here?
(iii) What is it contrasted with?

Question 3: Answer each of these questions in a short paragraph (about 30 words).

1. What kind of teachers did Margie and Tommy have?
2. Why did Margie’s mother send for the County Inspector?
3. What did he do?
4. Why was Margie doing badly in geography? What did the Country Inspector do to help her?
5. What had once happened to Tommy’s teacher?
6. Did Margie have regular days and hours for school? If so, why?
7. How does Tommy describe the old kind of school?
8. How does he describe the old kind of teachers?

Question 4: Answer each of these questions in two or three paragraphs (100 − 150 words)

1. What are the main features of the mechanical teachers and the schoolrooms thatMargie and Tommy have in the story?
2. Why did Margie hate school? Why did she think the old kind of school must havebeen fun?
3. Do you agree with Margie that schools today are more fun than the school in thestory? Give reasons for your answer.


Chapter 2 The Sound of Music

Question 1: Answer these questions in a few words or a couple of sentences each.

1. How old was Evelyn when she went to the Royal Academy of Music?
2. When was her deafness first noticed? When was it confirmed?

Question 2: Answer each of these questions in a short paragraph (30 - 40 words).

1. Who helped her to continue with music? What did he do and say?
2. Name the various places and causes for which Evelyn performs.

Question 3: Answer the question in two or three paragraphs (100 - 150 words).

1. How does Evelyn hear music?

Question 1: Tick the right answer.

1. The (shehnai, pungi) was a ‘reeded noisemaker.’
2. (Bismillah Khan, A barber, Ali Bux) transformed the pungi into a shehnai.
3. Bismillah Khan’s paternal ancestors were (barbers, professional musicians).
4. Bismillah Khan learnt to play the shehnai from (Ali Bux, Paigambar Bux, Ustad Faiyaaz Khan).
5. Bismillah Khan’s first trip abroad was to (Afghanistan, U.S.A., Canada).

Question 3: Answer these questions in 30 - 40 words.

1. Why did Aurangzeb ban the playing of the pungi?
2. How is a shehnai different from a pungi?
3. Where was the shehnai played traditionally? How did Bismillah Khan change this?
4. When and how did Bismillah Khan get his big break?
5. Where did Bismillah Khan play the shehnai on 15 August 1947? Why was the event historic?
6. Why did Bismillah Khan refuse to start a shehnai school in the U.S.A.?
7. Find at least two instances in the text which tell you that Bismillah Khan loves India and Benaras.

Question 1: Complete the following sentences. Beginning with a to-verb, try to answer the questions in brackets.

1. The school sports team hopes __________ (What does it hope to do?)
2. We all want __________ (What do we all want to do?)
3. They advised the hearing-impaired child’s mother __________(What did they advise her to do?)
4. The authorities permitted us to __________ (What did the authorities permit us to do?)
5. A musician decided to __________ (What did the musician decide to do?)

Question 2: From the text on Bismillah Khan, find the words and phrases that match these definitions and write them down. The number of the paragraph where you will find the words/ phrases has been given for you in brackets.

1. the home of royal people (1) __________
2. the state of being alone (5) __________
3. a part which is absolutely necessary (2) __________
4. to do something not done before (5) __________
5. without much effort (13) __________
6. quickly and in large quantities (9) __________ and __________

Question 3: Tick the right answer.

1. When something is revived, it (remains dead/lives again).
2. When a government bans something, it wants it (stopped/started).
3. When something is considered auspicious, (welcome it/avoid it).
4. When we take to something, we find it (boring/interesting).
5. When you appreciate something, you (find it good and useful/find it of no use).
6. When you replicate something, you do it (for the first time/for the second time).
7. When we come to terms with something, it is (still upsetting/no longer upsetting).


Chapter 3 The Little Girl

Question 1: Given below are some emotions that Kezia felt. Match the emotions in the Column A with the items in Column B.

Question 2: Answer the following questions in one or two sentences.

1. Why was Kezia afraid of her father?
2. Who were the people in Kezia’s family?
3. What was Kezia’s father’s routine

(i) before going to his office?
(ii) after coming back from his office?
(iii) on Sundays?

4. In what ways did Kezia’s grandmother encourage her to get to know her father better?

Question 3: Discuss these questions in class with your teacher and then write down your answers in two or three paragraphs each.

1. Kezia’s efforts to please her father resulted in displeasing him very much. How did this happen?
2. Kezia decides that there are “different kinds of fathers”. What kind of father was Mr. Macdonald, and how was he different from Kezia’s father?
3. How does Kezia begin to see her father as a human being who needs her sympathy?

Question 1: Glad, happy, pleased, delighted, thrilled and overjoyed are synonyms (words expressions that have the same or nearly the same meaning.) However, theexpress happiness in certain ways.

1. Use an appropriate word from the synonyms given above in the followinsentences. Clues are given in brackets.

(i) She was __________ by the news of her brother’s wedding. (very pleased)
(ii) I was __________to be invited to the party. (extremely pleased and exciteabout)
(iii) She was __________ at the birth of her granddaughter. (extremely happy)
(iv) The coach was __________ with his performance. (satisfied about)
(v) She was very __________ with her results. (happy about something that hahappened)

2. Study the use of the word big in the following sentence.

He was so big − his hands and his neck, especially his mouth…
Here, big means large in size.
Now, consult a dictionary and find out the meaning of big in the following sentenceThe first one has been done for you.

(i) You are a big girl now. Older
(ii) Today you are going to take the biggest decision of your career. _________
(iii) Their project is full of big ideas. _________
(iv) Cricket is a big game in our country. _________
(v) I am a big fan of Lata Mangeskar. _________
(vi) You have to cook a bit more as my friend is a big eater. _________
(vii) What a big heart you’ve got, Father dear. _________

Question 2:

1. Underline the verbs of reporting in the following sentences.

(i) He says he will enjoy the ride.
(ii) Father mentioned that he was going on a holiday.
(iii) No one told us that the shop was closed.
(iv) He answered that the price would go up.
(v) I wondered why he was screaming.
(vi) Ben told her to wake him up.
(vii) Ratan apologised for coming late to the party.

2. Some verbs of reporting are given in the box. Choose the appropriate verbs and fill in the blanks in the following sentences.

(i) “I am not afraid,” __________ the woman.
(ii) “Leave me alone,” my mother __________.
(iii) The children __________ that the roads were crowded and noisy.
(iv) “Perhaps he isn’t a bad sort of a chap after all,” __________the master.
(v) “Let’s go and look at the school ground,” __________ the sports teacher.(vi) The traffic police __________ all the passers-by to keep off the road.


Chapter 4 A Truly Beautiful Mind

Question 1: Here are some headings for paragraphs in the text. Write the number(s) of the paragraph(s) for each title against the heading. The first one is done for you.

(i) Einstein’s equation
(ii) Einstein meets his future wife
(iii) The making of a violinist
(iv) Mileva and Einstein’s mother
(v) A letter that launched the arms race
(vi) A desk drawer full of ideas
(vii) Marriage and divorce

Question 2: Who had these opinions about Einstein?

(i) He was boring.
(ii) He was stupid and would never succeed in life.
(iii) He was a freak.

Question 3: Explain what the reasons for the following are.

(i) Einstein leaving the school in Munich for good.
(ii) Einstein wanting to study in Switzerland rather than in Munich.
(iii) Einstein seeing in Mileva an ally.
(iv) What do these tell you about Einstein?

Question 4: What did Einstein call his desk drawer at the patent office? Why?

Question 5: Why did Einstein write a letter to Franklin Roosevelt?

Question 6: How did Einstein react to the bombing of Hiroshima and Nagasaki?

Question 7: Why does the world remember Einstein as a “world citizen”?

Question 8: Here are some facts from Einstein’s life. Arrange them in chronological order.

  •  Einstein publishes his special theory of relativity.
  •  He is awarded the Nobel Prize in Physics.
  •  Einstein writes a letter to U.S. President, Franklin D. Roosevelt, and warns against Germany’s building of an atomic bomb.
  •  Einstein attends a high school in Munich.
  •  Einstein’s family moves to Milan.
  •  Einstein is born in the German city of Ulm.
  •  Einstein joins a university in Zurich, where he meets Mileva.
  •  Einstein dies. He provides a new interpretation of gravity.
  •  Tired of the school’s regimentation, Einstein withdraws from school.
  •  He works in a patent office as a technical expert.
  •  When Hitler comes to power, Einstein leaves Germany for the United States.

Question 1: Here are some sentences from the story. Choose the word from the brackets which can be substituted for the italicised words in the sentences.

1. A few years later, the marriage faltered. (failed, broke, became weak)
2. Einstein was constantly at odds with people at the university. (on bad terms, in disagreement, unhappy)
3. The newspapers proclaimed his work as “a scientific revolution.” (declared, praised, showed)
4. Einstein got ever more involved in politics, agitating for an end to the arms buildup. (campaigning, fighting, supporting)
5. At the age of 15, Einstein felt so stifled that he left the school for good, (permanently, for his benefit, for a short time)
6. Five years later, the discovery of nuclear fission in Berlin had American physicists in an uproar. (in a state of commotion, full of criticism, in a desperate state)
7. Science wasn’t the only thing that appealed to the dashing young man with the walrus moustache. (interested, challenged, worried)

Question 2: Complete the sentences below by filling in the blanks with suitable participial clauses. The information that has to be used in the phrases is provided as a sentence in brackets.

1. __________, the firefighters finally put out the fire. (They worked round the clock.)
2. She watched the sunset above the mountain, __________ (She noticed the colours blending softly into one another.)
3. The excited horse pawed the ground rapidly, __________ (while it neighed continually.)
4. __________, I found myself in Bangalore, instead of Benaras. (I had taken the wrong train.)
5. __________, I was desperate to get to the bathroom. (I had not bathed for two days.)
6. The stone steps, __________needed to be replaced. (They were worn down.)
7. The actor received hundreds of letters from his fans, __________ (They asked him to send them his photograph.)

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Chapter 5 The Snake and the Mirror

Question 1: Discuss in pairs and answer each question below in a short paragraph (30 − 40 words).

1. “The sound was familiar one.” What sound did the doctor hear? What did he think it was? How many times did he hear it? (Find the places in the text.) When and why did the sounds stop?

2. What two “important” and “earth-shaking” decisions did the doctor take while he was looking into the mirror?

3. “I looked into the mirror and smiled,” says the doctor. A little later he says, “I forgot my danger and smiled feebly at myself.” What is the doctor’s opinion about himself when: (i) he first smiles, and (ii) he smiles again? In what way do his thoughts change in between, and why?sitting on his shoulder and that is when he realized the gravity of the situation.

Question 2: This story about a frightening incident is narrated in a humorous way. What makes it humorous? (Think of the contrasts it presents between dreams and reality. Some of them are listed below.)

1. (i) The kind of person the doctor is (money, possessions)
(ii) The kind of person he wants to be (appearance, ambition)

2. (i) The person he wants to marry
(ii) The person he actually marries

3. (i) His thoughts when he looks into the mirror
(ii) His thoughts when the snake is coiled around his arm

Write short paragraphs on each of these to get your answer.

Question 1: Here are some sentences from the text. Say which of them tell you, that the author:

(a) was afraid of the snake
(b) was proud of his appearance
(c) had a sense of humour
(d) was no longer afraid of the snake.

1. I was turned to stone.
2. I was no mere image cut in granite.
3. The arm was beginning to be drained of strength.
4. I tried in my imagination to write in bright letters outside my little heart the words, ‘O God’.
5. I didn’t tremble. I didn’t cry out.
6. I looked into the mirror and smiled. It was an attractive smile.
7. I was suddenly a man of flesh and blood.
8. I was after all a bachelor, and a doctor too on top of it!
9. The fellow had such a sense of cleanliness...! The rascal could have taken it and used it after washing it with soap and water.
10. Was it trying to make an important decision about growing a moustache or using eye shadow and mascara or wearing a vermilion spot on its forehead?

Question 2: Can you find the expressions in the story that tell you that the author was frightened? Read the story and complete the following sentences.

1. I was turned ___________________________________________________.
2. I sat there holding _______________________________________________.
3. In the light of the lamp I sat there like _______________________________.

Question 3: In the sentences given below some words and expressions are italicised. Thevariously mean that one

  • is very frightened.
  • is too scared to move.
  • is frightened by something that happens suddenly.
  • akes another feel frightened.

Match the meanings with the words/expressions in italics, and write the appropriatmeaning next to the sentence. The first one has been done for you.

1. I knew a man was following me, I was scared out of my wits. (very frightened)
2. I got a fright when I realised how close I was to the cliff edge.
3. He nearly jumped out of his skin when he saw the bull coming towards him.
4. You really gave me a fright when you crept up behind me like that.
5. Wait until I tell his story — it will make your hair stand on end.
6. Paralysed with fear, the boy faced his abductors.
7. The boy hid behind the door, not moving a muscle.

Question 4: Report these questions using if/whether or why/when/where/how/which/what. Remember the italicised verbs change into the past tense.

1. Meena asked her friend, “Do you think your teacher will come today?”
2. David asked his colleague, “Where will you go this summer?”
3. He asked the little boy, “Why are you studying English?”
4. She asked me, “When are we going to leave?”
5. Pran asked me, “Have you finished reading the newspaper?”
6. Seema asked her, “How long have you lived here?”
7. Sheila asked the children “Are you ready to do the work?”


Chapter 6 My Childhood

Question 1: Answer these questions in one or two sentences each.

1. Where was Abdul Kalam’s house?
2. What do you think Dinamani is the name of? Give a reason for your answer3. Who were Abdul Kalam’s school friends? What did they later become?
4. How did Abdul Kalam earn his first wages?
5. Had he earned any money before that? In what way?

Question 2: Answer each of these questions in a short paragraph (about 30 words).

1. How does the author describe:
(i) his father
(ii) his mother
(iii) himself?

2. What characteristics does he say he inherited from his parents?

Question 3: Discuss these questions in class with your teacher and then write down your answers in two or three paragraphs each.

1. “On the whole, the small society of Rameswaram was very rigid in terms of the segregation of different social groups,” says the author.

(i) Which social groups does he mention? Were these groups easily identifiable (for example, by the way they dressed)?
(ii) Were they aware only of their differences or did they also naturally share friendships and experiences? (Think of the bedtime stories in Kalam’s house; of who his friends were; and of what used to take place in the pond near his house.)
(iii) The author speaks both of people who were very aware of the differences among them and those who tried to bridge these differences. Can you identify such people in the text?
(iv) Narrate two incidents that show how differences can be created, and also how they can be resolved. How can people change their attitudes?

2. (i) Why did Abdul Kalam want to leave Rameswaram?
(ii) What did his father say to this?
(iii) What do you think his words mean? Why do you think he spoke those words?

Question 2:

1. Match the phrases in Column A with their meanings in Column B.

Question 4: Rewrite the sentences below, changing the verbs in brackets into the passive form.

1. In yesterday’s competition the prizes (give away) by the Principal.
2. In spite of financial difficulties, the labourers (pay) on time.
3. On Republic Day, vehicles (not allow) beyond this point.
4. Second-hand books (buy and sell) on the pavement every Saturday.
5. Elections to the Lok Sabha (hold) every five years.
6. Our National Anthem (compose) Rabindranath Tagore.

Question 5: Rewrite the paragraphs below, using the correct form of the verb given in brackets.

1. How Helmets Came To Be Used in Cricket Nari Contractor was the Captain and an opening batsman for India in the 1960s. The
Indian cricket team went on a tour to the West Indies in 1962. In a match against Barbados in Bridgetown, Nari Contractor (seriously injure and collapse). In those days helmets (not wear). Contractor (hit) on the head by a bouncer from Charlie Griffith. Contractor’s skull (fracture). The entire team (deeply concern). The West Indies players (worry). Contractor (rush) to hospital. He (accompany) by Frank Worrell, the Captain of the West Indies Team. Blood (donate) by the West Indies players. Thanks to the timely help, Contractor (save). Nowadays helmets (routinely use) against bowlers.

2. Oil from Seeds Vegetable oils (make) from seeds and fruits of many plants growing all over the world, from tiny sesame seeds to big, juicy coconuts. Oil (produce) from cotton seeds, groundnuts, soya beans and sunflower seeds. Olive oil (use) for cooking, salad dressing etc. Olives (shake) from the trees and (gather) up, usually by hand. The olives (ground) to a thick paste which is spread onto special mats. Then the mats (layer) up on the pressing machine which will gently squeeze them to produce olive oil.


Chapter 7 Packing

Subjects: 

(Answer Key) Central Teacher Eligibility Test CTET December-2019 Paper-I&II

CBSE



Central Board of Secondary Education



(Answer Key) Central Teacher Eligibility Test CTET December-2019


Paper-I&II


 

CTET DEC-2019 KEY EXAM-08/12/2019 Date. 27/12/2019

GENERAL: 

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