NEET UG BIOLOGY MCQ: PHOTOSYNTHESIS IN HIGHER PLANTS

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Analyzing +4 | -1

Assertion (A): In

C_4

plants, two carboxylations and one decarboxylation occurs during photosynthesis.

Reason (R):

{C}_4

Plants, show kranz anatomy in all parts.

View answer and explanation

Correct option: C

Assertion is true but Reason is false

Option C (Assertion is true but Reason is false) is correct because C4 plants do have two carboxylations and one decarboxylation, but Kranz anatomy is present only in leaves, not in all parts of the plant.

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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