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Zoology Animal Physiology

Asked 2 times in UPSC Prelims · first asked 2003 · last asked 2015

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Consider the following animals: 1. Hedgehog 2. Marmot 3. Pangolin. To reduce the chance of being captured by predators, which of the above animals rolls up/rolls into a ball?

2015Sci & Tech
A1 only
B1 and 3 only
C2 and 3 only
D1, 2 and 3

Explanation

All three animals possess the ability to curl into a ball as a defense strategy to lower the risk of being captured by predators.

In which one of the following the phenomenon of sexual dimorphism is absent?

2003Sci & Tech
AWolf
BLion
CRabbit
DSheep

Explanation

The animal in which sexual dimorphism is not present is the Wolf. The Wolf is a monogamous species, which means it has only one partner and mate at a time.