2014 GS Paper I, all questions

UPSC Prelims 2014 · GS Paper I

Question 17: Environment and Ecology

Consider the following :

  1. 1.Bats
  2. 2.Bears
  3. 3.Rodents

The phenomenon of hibernation can be observed in which of the above kinds of animals?

a1 and 2 only
b2 only
c1, 2 and 3
dHibernation cannot be observed in any of the above

AnswerUPSC’s answer is (c).

Hibernation is a state of reduced activity and metabolism through winter. It is seen in bats, which hang in caves and lower body temperature, in bears, which spend winter in dens living off stored fat in a deep winter sleep, and in many rodents such as dormice, marmots and ground squirrels. So all three kinds of animals show hibernation.

  • 1. Many bats hibernate through winter in roosts and caves.
  • 2. Bears den and sleep through winter on stored fat.
  • 3. Many rodents like marmots and dormice hibernate.
Why each option is right or wrong
  • (a) Wrong. Rodents such as ground squirrels and dormice also hibernate.
  • (b) Wrong. Bats and rodents also hibernate.
  • (c) Right. Bats, bears and rodents all show hibernation.
  • (d) Wrong. All three include hibernating animals.

Answer: UPSC’s key. Explanation: written by UPSC Grade, not by UPSC.

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Source: UPSC, Civil Services (Preliminary) Examination 2014, General Studies Paper I, Series A. The paper on upsc.gov.in.