alleryThe light reaction of photosynthesis happens in the
ACytoplasm just outside the chloroplast
BStroma fluid around the thylakoids
COuter mitochondrial membrane in cells
DThylakoid membrane of chloroplasts
Answer & Solution
Correct answer: D. Thylakoid membrane of chloroplasts
1. Chloroplasts contain stacks of disc-like thylakoids.
2. Light-trapping chlorophyll sits in thylakoid membranes.
3. So energy capture and water splitting happen there.
4. Hence option A is correct.
_Source: Selina Concise Biology Class 10, Ch on Photosynthesis (Mistral OCR'd PDF), section on light reaction site_
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