NEET UG BIOLOGY MCQ: PHOTOSYNTHESIS IN HIGHER PLANTS

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Factors affecting photosynthesis are
I. number and size of leaves
II. age and orientation of leaves
III. amount of chlorophyll
IV. amount of

{O_2}

and

C{O_2}

Select the correct option

View answer and explanation

Correct option: D

I, II, III and IV

Option D (I, II, III and IV) is correct because all the listed factors (number and size of leaves, age and orientation of leaves, amount of chlorophyll, and amount of O2 and CO2) affect the rate of photosynthesis.

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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