Question

Q.17 What are the various steps of food chain through which the transfer of food
energy takes place is called​

Answer 1

Answer:

A food chain depicts a linear link of organisms involved in transfer of energy and matter. Each link consists of an organism and is called the trophic level. A single food chain may have three to five trophic levels. The trophic level indicates the mode of nutrition of organism present at that trophic level.

So, the correct answer is 'Trophic level'

Answer 2

Answer:

The various steps in the food chain at which the transfer of food (or energy) takes place is called trophic levels.] The plant or the producers constitute the first trophic level.