The Living World Question 58

Question: Assertion : Food web forms food chains. Reason : Only 10% energy passes to next trophic levels in food chain.

Options:

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C) If the assertion is true but the reason is false

D) If the assertion is false but reason is true

Show Answer

Answer:

Correct Answer: D

Solution:

Food web is a complex formed by interconnecting of a number of food chains at different trophic levels.

There is a decline in the amount of the energy (upto 90%) passing form one trophic level to the next.

It is also called 10% law.