NEET UG BIOLOGY MCQ: PHOTOSYNTHESIS IN HIGHER PLANTS

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Photorespiration is favoured by

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Correct option: A

High

{O_2}\,\,\,\& \,\,\mathrm{low}\,\,C{\mathrm{O}_\mathrm{2}}

Option A (High

{O_2}

& low

C{O_2}

) is correct because photorespiration is favored when oxygen concentration is high and carbon dioxide concentration is low, as RuBisCO binds to oxygen instead of carbon dioxide.

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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