Civil Services Prep

Prelims 2014 · Environment · Question 77

Consider the following: 1. Bats 2. Bears 3. Rodents. The phenomenon of hibernation can be observed in which of the above kinds of animals?

  1. 1 and 2 only
  2. 2 only
  3. 1, 2 and 3
  4. Hibernation cannot be observed in any of the above

Answer

1, 2 and 3

1. Bats — Many bats undergo true hibernation/torpor during winter to conserve energy. Verdict: Correct.

2. Bears — Bears are commonly treated as hibernating animals in standard exam usage, though technically their winter sleep is often called torpor. Verdict: Correct.

3. Rodents — Several rodents such as ground squirrels, marmots and hamsters hibernate. Verdict: Correct.

Hence, hibernation can be observed in 1, 2 and 3.

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