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NEET UG BIOLOGY MCQ: ORGANISMS AND POPULATION
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Analyzing
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Assertion (A): Small sized birds and mammals are rarely found in Polar Regions.
Reason (R): Small animals have large surface area relative to their volume, so that they can minimize loss of heat.
Reason (R): Small animals have large surface area relative to their volume, so that they can minimize loss of heat.
View answer and explanation
Correct option: C
A is true, R is false
The correct answer is C (A is true, R is false) because small-sized birds and mammals are rarely found in Polar Regions due to heat loss, and small animals have a large surface area to volume ratio, which *increases* heat loss.
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