NEET UG BIOLOGY MCQ: PHOTOSYNTHESIS IN HIGHER PLANTS

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Assertion : Rate of photosynthesis is
dependent of duration of exposure of light.

Reason : At higher light intensities gradually
rate of photosynthesis do not show further
increase.

View answer and explanation

Correct option: A

If both Assertion and Reason are true and
Reason is the correct explanation of Assertion

Option A (If both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because the rate of photosynthesis depends on the duration of light exposure, but at higher intensities, the rate plateaus due to other limiting factors.

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Energy required for ATP synthesis in PS – II comes from? Correct sequence of rate of photosynthesis in different light is The

{C_4}

plants are photosynthetically more efficient than

{C_3}

plants because: If a chemical process is affected by more than one factors then its rate will be determined by Identify the incorrect statements among the following

I. When only PS I is functional, cyclic flow of electrons is not possible

II. The breakdown of the gradient provides enough to make the enzyme synthesis

III. The NADP reductase enzyme is located of the thylakoid membrane

IV. Proton gradient increases due to

\mathrm{PC}

and Cyt

f

. Law of limiting factors was given by