Botany-Light Reaction

NEET Botany Light Reaction MCQ Question

Type: MCQ-conceptual-Easy-Class 11

Which of the following statements about the light reaction of photosynthesis is correct?

A

Chlorophyll a absorbs blue and red light effectively.

B

Only chlorophyll b participates in the absorption of light.

C

The light reaction occurs exclusively in the roots of the plant.

D

ATP is synthesized without the involvement of a proton gradient.

Correct Answer

Option A

Detailed Explanation

Chlorophyll a is known to absorb light effectively in the blue and red wavelengths, making option A correct. The other options contain misconceptions about the roles of pigments, the location of the light reaction, and the necessity of a proton gradient for ATP synthesis.

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