🔬 Biology · Photosynthesis in Higher Plants · NEET

Plants that first fix carbon dioxide into a 4-carbon compound are called:

A C4 plants
B C3 plants
C only CAM plants
D green algae

Correct answer: A. C4 plants

Explanation: C4 plants (e.g. maize) first make a 4-carbon acid, reducing photorespiration.

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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Plants that first fix carbon dioxide into a 4-carbon compound are called:

Concept context

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