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The light-independent reaction of photosynthesis, which fixes CO2 in the stroma, is also called the:
AHill reaction
BCalvin cycle
CKrebs cycle
DGlycolysis
Answer & Solution
Correct answer: B. Calvin cycle
1. The dark reaction takes place in the stroma of the chloroplast.
2. Here CO2 is reduced to carbohydrates using ATP and NADPH2 from the light reaction.
3. This pathway is named the Calvin cycle after Melvin Calvin.
4. The Hill reaction is the light reaction, so it is the trap; Krebs cycle belongs to respiration.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 12 Plant Anatomy and Plant Physiology "Light independent reactions", p.188_
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