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

1. A. (1) It is easier to carry a small body weight.
2. B. (2) Smaller animals have a higher metabolic rate.
3. C. (3) Small animals have a lower O2 requirement.
4. D. (4) The efficiency of muscles in large animals is less than in the small animals.

Attempt this NEET 2016 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.