🔬 Biology · Photosynthesis in Higher Plants · NEET

The number of water molecules that must be split to release 6 molecules of O₂ in photosynthesis is:

A 12
B 6
C 3
D 24

Correct answer: A. 12

Explanation: Splitting 2 H₂O gives 1 O₂, so 6 O₂ requires 12 water molecules.

Concept context

Light reactions, the Calvin cycle, C3/C4/CAM pathways, photorespiration, and factors affecting the rate of photosynthesis. One of the highest-yield NEET chapters.

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The number of water molecules that must be split to release 6 molecules of O₂ in photosynthesis is:

Concept context

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