Question

Food chain always starts with
(a) Respiration
(b) Transpiration
(c) Nitrogen fixation
(d) Photosynthesis

Answer 1

(d) Photosynthesis             ......................................................      

Answer 2

The food chain always starts with

(a) Respiration

(b) Transpiration

(c) Nitrogen fixation

(d) Photosynthesis

The correct answer is :

(d) Photosynthesis

Explanation :

The food chain begins with the process of photosynthesis. The food chain begins with a primary energy source. This process of obtaining energy from the primary energy source can be done only by photosynthesis. The primary source of energy is sunlight the sun. Plants obtain energy from sunlight through the process of photosynthesis and make food for themselves.

In this way, plants develop and these plants become the second source of energy, which provides food for the next link of the food chain.

Plants are called autotrophs or primary products because they do not depend on any other component present on the earth for their food, but directly produce their own food by the process of photosynthesis.

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