First slide

Factors affecting Photosynthesis

Question

Which of the following factor is the most limiting in nature for photosynthesis in $C_{3}$ plants?

Easy

A

Light
B

Carbon dioxide
C

Temperature
D

Water

Solution

Carbon dioxide is limiting in nature during the process of photosynthesis ( $C_{3}$ plants) because the optimum CO₂ concentration for photosynthesis in these plants is 450 $μl$ per Liter but atmosphere has only up to 400 microliters per liter.

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