Q: Which of the following limits the number of trophic levels in a food chain?
(a)Deficient food supply
(b)Polluted air
(c)Decrease in the available energy at higher trophic levels
(d)Parasitic organisms
Correct Answer: (c)
The correct answer is (c) 'उच्चतर पोषण स्तरों पर उपलब्ध ऊर्जा में कमी'. This question from the General Studies domain tests knowledge of Miscellaneous.