Botany-Light Reaction
NEET Botany Light Reaction MCQ Question
Type: MCQ-conceptual-Hard-Class 11
Which of the following statements about the light reaction of photosynthesis is correct?
A
Chlorophyll a is the only pigment involved in light absorption during the light reaction.
B
Accessory pigments help in absorbing light and protect chlorophyll a from photo-oxidation.
C
The light reaction occurs in the cytoplasm of chloroplasts.
D
Electrons in photosystem PS II are excited exclusively by green light.
Correct Answer
Option B
Detailed Explanation
Accessory pigments, such as chlorophyll b, xanthophylls, and carotenoids, absorb light and transfer energy to chlorophyll a while also protecting it from photo-oxidation, as stated in the NCERT context.
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