Q.

Which of the following is major limiting factor for photosynthesis in higher plants?

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By Expert Faculty of Sri Chaitanya

a

Light

b

Carbon dioxide concentration

c

Temperature

d

Water

answer is 2.

(Detailed Solution Below)

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Detailed Solution

Among the various limiting factors, availability of CO2 concentration is sub-optimum in terrestrial ecosystem which is 0.04% in atmosphere. Whereas photosynthetic saturation for CO2 occurs beyond 0.05%.
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