(Download) INJSO Olympiad Question Papers 2014

Question paper
Exam Name : INJSO Olympiad Question Papers 2014

Section A

Q1. If an axolotl larva of Mexican Salamander is kept in iodine depleted water; then
(a) It will fail to metamorphose but become sexually mature
(b) There will be no effect on its metamorphosis
(c) It will metamorphose but remain sexually immature
(d) It will fail to metamorphose and will remain sexually immature

Q2. Which of the following is an oxidation – reduction reaction?
(a) H₃O⁺ (aq) + CO₃^2- (aq) → HCO₃^- (aq) + H₂O
(b) HNO₃ (aq) + NH₃ (aq) → NH₄⁺ (aq) + NO₃^- (aq)
(c) Mg (s) + F2 (g) → MgF₂ (s)
(d) Pb(NO₃)₂ (aq) + 2 NaCl (aq) → PbCl₂ (s) + 2NaNO₃ (aq)

Q3. Which of the following cannot be visible from our moon?
(I) Annular eclipse of the Sun.
(II) Partial eclipse of the Earth.
(III) Total eclipse of the Sun.
(a) I and II 
(b) II and III
(c) I and IV 
(d) Only II

Q4. The immature male germ cells undergo division to produce sperms by the process of spermatogenesis. Which of the following sentences is correct regarding this process?
(a) The primodial germ cells always undergo meiotic division.
(b) The primodial germ cells divide only by mitotic division.
(c) Secondary spermatocytes undergo second meiotic division only.
(d) Spermatozoa are formed from spermatids by meiotic division. 

Q5. Which of the following will change the value of  the equilibrium constant for the reaction?
N2 (g) + O2 (g) ↔ 2NO (g)
(a) Add more N2 
(b) Increase of pressure
(c) Use a smaller reaction vessel 
(d) Increase the temperature

Q6. Particles P and Q are undergoing uniform horizontal circular motions along concentric circles of different radii in clockwise sense. P completes each round in 2 minutes while Q does it in 5 minutes. Time required by Q to make one revolution around P is
(a) 3 minutes 
(b) 10 minutes
(c) 10/3 minutes 
(d) This is not possible as Q is moving slower than P.

Q7. Which type of reproduction, from the following, gives evidence that the genetic information needed for the complete development of an individual is contained actually in a haploid set of chromosomes?
(a) Budding in hydra
(b) Multiple fission in amoeba
(c) Development of male honey bee (Drone) from egg
(d) Binary fission in paramecium

Q8. The amount of CaCO3 which will precipitate  if 50ml of 1.0M Na2CO3 and 50ml of 0.2M CaCl2 are mixed is
(a) 5.0 g 
(b) 2.0 g
(c) 1.0 g 
(d) 0.5 g

Q9. Which of the following statements regarding  pollen grain is correct?
(a) Tapetum nourishes the developing pollen.
(b) Sporogenous tissue in the anther is haploid
(c) Endothesium produces the microspores.
(d) Only pollen cannot produce a complete plant in any condition.

Q10. Help Sachin to calculate the osmotic pressure of 0.9% aqueous solution of solute X at 250 c. Molar mass of the solute is 60g/mol. ( R= 0.0820 lit-atm K-1 mol-1 ) 
(a) 3.66 x 10-3 atm 
(b) 3.66 atm.
(c) 2.44 atm 
(d) 1.63 x 10-3 atm

Q11. Which of the following observations recorded are having FOUR and only FOUR significant figures?
(i) 134.400 m 
(ii) 7680 g
(iii) 0.0849 N 
(iv) 2.000 J
(a) (i), (iii) and (iv) 
(b) Only (ii)
(c) Only (iv) 
(d) (ii) and (iv) only

Q12. A truck and a car moving with the same kinetic energy are brought to rest by application of brakes which provide equal total retarding force for both. The truck has 8 tyres, and weighs 4 times more than the car which has 4 tyres. What can you say about the distance in which the two vehicles stop?
(a) The car will stop at a shorter distance.
(b) The truck will stop at a shorter distance.
(c) They will stop at the same distance.
(d) Not enough information is given.
 

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