NEET Biology Plant Kingdom Based Practice Questions & Answers with Viewers Discussion and Detailed Explanation

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Plant Kingdom Topic Based

Question & Answer Discuss:

At least a half of the total $CO_2$ fixation on earth is carried out through photosynthesis by

(a) gymnosperms

(b) algae

(c) angiosperms

(d) bryophytes

Answer: (b)

Nearly 50% of total carbon dioxide fixation of photosynthesis of world is carried out by algae.

Photosynthesis by algae releases oxygen in the immediate aquatic environment. It is essential for respiration of aquatic life. Algae are primary producers of food in large bodies of fresh, brackish and sea water

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