Botany-Light Reaction
NEET Botany Light Reaction MCQ Question
Type: MCQ-diagram based-Easy-Class 11
Consider a diagram showing the light reaction of photosynthesis with two photosystems labeled as PS I and PS II. Which of the following statements correctly describes the role of PS I in the light reaction?
A
PS I receives electrons from the electron transport chain and contributes to the formation of NADPH.
B
PS I is the initial site for water splitting and oxygen release.
C
PS I absorbs light at a wavelength of 680 nm, exciting electrons.
D
PS I directly generates ATP by photophosphorylation.
Correct Answer
Option A
Detailed Explanation
PS I receives electrons after they have passed through the electron transport chain from PS II and helps reduce NADP+ to NADPH, as described in Chunk 2.
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