Ecosystem Question 72

Question: Energy transfer from one trophic level to other, in a food chain is [CBSE PMT 1999; BHU 2005]

Options:

A) 1%

B) 2%

C) 10%

D) 20%

Show Answer

Answer:

Correct Answer: C

Solution:

As per 10 percent law, only 10% of the energy fixed at one trophic level is passed to next trophic level.

For example, when plants are eaten by animals only 10% of energy of the food is fixed into animal flesh; rest is lost through respiration.