NEET Botany Light Reaction Assertion Reason Question
Assertion (A): In the light reaction of photosynthesis, light energy absorbed by chlorophyll a is directly used for ATP synthesis.
Reason (R): Chlorophyll a is the only pigment that can convert light energy into chemical energy.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
In the light reaction, light energy absorbed by chlorophyll a is used to drive electron transport which indirectly leads to ATP synthesis. Chlorophyll b and other accessory pigments also play a role by transferring energy to chlorophyll a.
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