Question

Assertion (A) : Consumers are not present at the first trophic level.
Reason (R) : Consumers or heterotrophs fix energy, making it
available for Consumers or heterotrophs.

Answer 1

Answer:

A is true R is false

First tropic level is producer and not consumer thus assertion is true however the reason is false as producer make energy for consumers not consumer itself

Also the reason of assertion is consumer are dependent on producers and producer are the only one who are independent for food as they take sunlight