Question

The winter sleep of animals is called _______.

• A. Aestivation
• B. Hibernation
• C. Perspiration
• D. None of these
  

Answer 1

The correct option is B

Hibernation

The correct option is B.

Explanation of correct option:

1. In mountains where the temperature is low, animals undergo hibernation-like bears, wood frogs, etc.
2. To avoid the external unfavorable environment, some animals hide in deep burrows without strong food is called winter sleep.
3. Winter sleep is also known as hibernation.

Explanation for incorrect options:
Option (A):

1. Aestivation, also known as summer sleep.
2. Aestivation is done by animals living in the desert and tropical regions.
3. Snails and earthworm are animals that generally look for cool, shady, and moist environments to sleep in.
4. It prevents excessive water loss due to high temperature from the body

Option (C):

1. Perspiration is known as sweating.
2. When the temperature is the high body starts losing water in form of sweat to keep body temperature low.

Final answer: "The winter sleep of animals is called hibernation.