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The light reactions include all of the following EXCEPT

(a) formation of ATP and NADPH Your answer
(b) splitting of water Your answer
(c) light absorption Your answer
(d) fixation of CO₂ Correct

Your answer: Correct answer: (d)

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Explanation

Why (d) is correct

Fixation of CO₂ belongs to the dark (biosynthetic) phase, not the light reactions.

Why the other options are wrong

(a) · your answer ATP and NADPH formation is part of the light reactions.
(b) · your answer Splitting of water is part of the light reactions.
(c) · your answer Light absorption is the first event of the light reactions.

NCERT point: Light reactions: absorption of light, splitting of water, O₂ release, ATP and NADPH formation.

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