Question 3 - Past Year - 3 Mark Questions - Chapter 15 Class 10 - Our Environment

Last updated at August 14, 2026 by

(i) Create a terrestrial food chain depicting four trophic levels.

(ii) Why do we not find food chains of more than four trophic levels in nature?

 

Answer:

(i)

Terrestrial food chain:

trophic-level-definition---teachoo.jpg

(ii)

According to the 10 percent law, only 10% of food energy is transferred from one trophic level to the next level.

Thus, the amount of energy available will not be sufficient for the survival of the organism in the 5 th trophic level. 

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