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(Important Questions) Important Questions CBSE Class 9th : Science Year 2009 (Diversity in Living Organism–Animalia)

Important Questions CBSE Class 9th : Science Year 2009
(Diversity in Living Organism–Animalia)

 

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(Important Questions) Important Questions CBSE Class 9th : Science Year 2009 (Chemistry)

Important Questions CBSE Class 9th : Science Year 2009
(Chemistry)

Q. 1. What is nitrogen fixation? Mention 3 ways of nitrogen fixation & chemical reactions related to this process?

Q. 2. What are the limitations of Rutherford’s model of the atom?

Q. 3. Write a short note on ‘OZONE DEPLETION’?

Q. 4. What is nucleon? An element has 4 electrons in the M shell of it atom. What is the atomic no. of the element?

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(Scholarship) Microsoft Research PhD Scholarship 2009

Microsoft Research PhD Scholarship 2009

The PhD Scholarship Programme recognises and supports exceptional students who show the potential to make an outstanding contribution to science and computing. This programme supports PhD students in computing and those working at the intersection of computing and the sciences.

Only PhD supervisors should apply. If their project is selected, the supervisor has up to a year to find the best possible student for the project. Joint applications by two supervisors from different disciplines are especially encouraged.

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(Important Questions) Important Questions CBSE Class 9th : Social Science Year 2009 (Poverty as a Challenge)

Important Questions CBSE Class 9th : Social Science Year 2009 (Solved)
(
Poverty as a Challenge)


Question .1. Define poverty?
Answer :
It is defined as inability to satisfy minimum human needs like food, clothing, shelter and education.

Question .2. Give examples of self employment in rural area?
Answer :
Non-farm activities as tailoring, shop keeping, profession of gold smith, carpenter, washing and computer services are examples of self employment.

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(Important Questions) Important Questions CBSE Class 9th : Physics Year 2009 (Gravitation And Motion)

Important Questions CBSE Class 9th : Physics Year 2009 (Unsolved)
Chapter 1
(Motion)

Q. 1. What is meant by a body at rest?

Q. 2. Describe a rocket propelled in 30 degrees north of east with a velocity of 5m/s?

Q. 3. What do you mean by a negative displacement?

Q. 4. Justify the statement “Displacement of a particle is independent of the path taken”?

Q. 5. Define the term velocity?

Q. 6. Define the term negative acceleration?

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(Important Questions) Important Questions CBSE Class 9th : Physics Year 2009 (Forces and Laws of motion)

Important Questions CBSE Class 9th : Physics Year 2009

(Forces and Laws of motion)

Q. 1. How much force is needed to accelerate a trolley of mass 20g through 1 m/s2?

Q. 2. A force of 100N acts on a mass of 25 kg for 5 s .What velocity does it generate?

Q. 3. A bullet leaves a rifle with a velocity of 100m/s and the rifle of mass 2.5 kg recoils with a velocity of 1m/s. Find the mass of the bullet?

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(Important Questions) Important Questions CBSE Class 9th : Physics Year 2009

Important Questions CBSE Class 9th : Physics Year 2009

(Unsolved)

Q. 1. How much force is needed to accelerate a trolley of mass 20g through 1 m/s2?

Q. 2. A force of 100N acts on a mass of 25 kg for 5 s .What velocity does it generate?

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(Important Questions) Important Questions CBSE Class 9th : Mathematics Year 2009 (Unsolved)

Important Questions CBSE Class 9th : Mathematics Year 2009

(Unsolved)

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Land and Soil Resources)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(Land and Soil Resources
)

Question .1. What are natural resources?
Answer :
Natural gifts in the form of land, water, vegetation and minerals are called natural resources and Rule.

Question .2. Give examples of human-made resources?
Answer :
Examples of human-made resources are:-
(i) Buildings (ii) Villages (iii) Cities (iv) Machines (v) Industries (vi) Roads (vi) Railways

Question .3. How was black soil formed?

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (India’s Struggle For Independence)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(India’s Struggle For Independence
)

Question .1. Why did the Indian leaders oppose Rowlatt Act in 1919?
Answer :
Indian leaders opposed Rowlatt Act as it violated the civil rights of the people and authorized the government to imprison people without trial.

Question .2. Why did Gandhiji call off Non-Cooperation Movement in 1922?

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Indian Awakening)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(Indian Awakening)

Question .1. Mention any two changes introduced in administration of British empire in India after 1857?
Answer :
(i) East India Company was abolished and British crown took over the charge of Indian administration under its direct control.
(ii) A council called India Council was set up under the Secretary of State to supervise and control the Indian administration.

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Heritage of India Later Phase)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(
Heritage of India-Later-Phase)

Question .1. Name any four South Indian ruling dynasties who patronized temple architecture?
Answer :
(i) Cholas
(ii) Pallavas
(iii) Hoyshalas
(iv) Pandyas

Question .2. Name the earliest mosque built in Delhi. State one important feature of this mosque?
Answer :
(i) The Quwwat-ul-Islam Mosque. This was built in 13th centuary by Qutb-ud-din Aibak.

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Heritage of India-Early Phase)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(
Heritage of India-Early Phase)

Question .1. Write the names of two major components of heritage of India?
Answer : (i) Land – The natural & physical environment of India.
(ii) The people – Generation of the people interacted with the environment.

Question .2. Give any five ethnic groups who contributed in making the Indian culture?
Answer : Kushanas, Shakas, Persians, Turks and Mongols.

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Transport Communication and Trade)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(Transport Communication and Trade)

Question .1. Why is transport a necessity?
Answer :
Transport helps in the movement of people, goods and materials form one place to other. It helps in the distribution of goods after production.

Question .2. Name five means of transport?
Answer :
Means of transport:-
(i) Buses
(ii) Trains
(iii) Ships
(iv) Boats
(v) Aeroplanes.

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Towards Liberalization and Globalization)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(Towards Liberalization and Globalization)

Question .1. Define liberalization?
Answer :
Liberalization of economy means to free it from direct or physical control imposed by the government.

Question .2. What is globalization?

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Social Development And Concerned Issues)

 Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(
Social Development And Concerned Issues)

Question .1. Name the new problems that are being faced by the world today?
Answer :
The new problems faced by the world today are:-
(i) Energy crisis.
(ii) Environmental pollution.
(iii) Technology transfer.
(iv) Ozone layer depletion.
(v) Procurement of raw materials.
(vi) Consumerism and world market.

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Mineral and Energy Resources)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(Mineral and Energy Resources
)

Question .1. Give three examples of metallic and three examples of non-metallic minerals?
Answer : Metallic minerals:-
(i) Copper (ii) Silver (iii) Gold (iv) Iron (v) Manganese (vi) Tin.
Non-metallic minerals:-(i) Limestone (ii) Mica (iii) Coal (iv) Potash (v) Nitrate (vi) Dolomite (vii) Gypsum (viii) Petroleum.

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Manufacturing Industries)

 Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(
Manufacturing Industries)

Question .1. Name three physical factors that affect location of industries?
Answer :
The physical factors that affect location of industries are:-
(i) Raw materials (ii) Water (iii) Power resources (iv) Climate.

Question .2. Name three human inputs that control location of industries?

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(Important Questions) Important Questions CBSE Class 10th : Social Science Year 2009 (Major Challenges Before The Indian Econom)

Important Questions CBSE Class 10th : Social Science Year 2009 (Solved)
(Major Challenges Before The Indian Economy)


Question .1. What is poverty?
Answer :
The inability to get the minimum requirement for life, health and efficiency is called poverty. In other words, it is a situation in which a person could not get food, clothing and shelter.

Question .2. What is poverty line?

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