Q25 / 180 · NEET 2016 (Phase 1) · Botany

It is much easier for a small animal to run uphill than for a large animal, because:

  • A
    It is easier to carry a small body weight.
  • Correct answer
    B
    Smaller animals have a higher metabolic rate.
  • C
    Small animals have a lower O2 requirement
  • D
    The efficiency of muscles in large animals is less than in the small animals.

Solution

Smaller animals have higher BMR related to sustained energy production and delayed muscle fatigue. BMR is the rate of energy expenditure per unit time by endothermic animals at rest.

Hence, the correct answer is option: 'B'.

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