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Science TNSB Mentoring
Class 9
Environmental science
Adaptation in animals
2.
Patagium, hibernation, echolocation
Question:
5
m.
Choose the best option
:
[
Note
:
There may be more than one answer for a question
]
1
.
Which of the following statements is/are false regarding bats?
Bats are active at day
Bats have a very high tolerance to heat
Bats have a low tolerance to heat
Bats have a thin and black wing membrane called a patagium
2
.
Which of the following statements is/are false?
Legs are small reducing mass and allows for flying
Hindlimbs of the bats are modified to serve as wings
Forelimbs of the bats are modified to serve as wings
Legs supports and controls the movements during bat's flight
3
.
Which of the following is / are false regarding hibernation?
It is also called winter sleep
It is also called summer sleep
Hibernation is practiced when body increases activity to conserve energy
It is a state of inactivity where body temperature drops with a low metabolic rate during the winter
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