. The gas released as by-product of the photosynthesis is


(a)            oxygen.

(b)            nitrogen.

(c)            carbon dioxide.

(d)            hydrogen.

 

Best Answer

(a) oxygen.

Explanation: Oxygen is released as a by-product (waste material) of photosynthesis. In photosynthesis, carbohydrate and oxygen are produced from carbon dioxide, water, and sunlight.

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