12 Biology Organisms and Populations - Set No : 10 Question No :3
Question No : 3
| Hibernation is |
| a) | Winter sleep under ground | b) | Summer sleep under ground |
| c) | Spring sleep under the water | d) | Winter sleep under the water |
Answer No : 3
(a)When
the external temperature is lower, some ectochermal animal become inactive to
cope temperature  frog, shake. However, very low
temperature can kill such animals due to inactivation of enzymes. Therefore,
the animal goes hibernation. It is the winter sleep under ground |