Civil Service Preliminary Paper-1 Previous Year Questions on General Science - 2014

1) Which of the following phenomena might have influenced the evolution of organisms?
1. Continental drift
2. Glacial cycles

Select the correct answer using the code given below.
(a) 1 only
(b) 2 only

(c) Both 1 and 2
(d) Neither 1 nor 2




2) Consider the following :
1. Bats
2. Bears
3. Rodents

The phenomenon of hibernation can be observed in which of the above kinds of animals?
(a) 1 and 2 only
(b) 2 only

(c) 1, 2 and 3
(d) Hibernation cannot be observed in any of the above



3) Consider the following pairs :
Vitamin Deficiency : Disease
1. Vitamin C : Scurvy
2. Vitamin D : Rickets
3. Vitamin E : Night blindness

Which of the pairs given above is/are correctly matched?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None



4) With reference to Neem tree, consider the following statements:
1.Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
2. Neem seeds are used in the manufacture of biofuels and hospital detergents.
3. Neem oil has applications in pharmaceutical industry.

Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 only

(c) 1 and 3 only
(d) 1, 2 and 3


5) Which one of the. following is the process involved in photosynthesis?
(a) Potential energy is released to form free energy
(b) Free energy is converted into potential energy and stored
(c) Food is oxidized to release carbon dioxide and water
(d) Oxygen is taken, and carbon dioxide and water vapour are given out


6) Which of the following is/are the example/examples of chemical change?
1. Crystallization of sodium chloride
2. Melting of ice
3. Souring of milk

Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None


7) Among the following organisms, which one does not belong to the class of other three?
(a) Crab
(b) Mite
(c) Scorpion
(d) Spider


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