Question:
Triose phosphate is formed in the reduction step of
Triose phosphate is formed in the reduction step of
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Calvin cycle stages:
1. Carboxylation (CO2 fixation).
2. Reduction (3-PGA to G3P).
3. Regeneration (RuBP).
1. Carboxylation (CO2 fixation).
2. Reduction (3-PGA to G3P).
3. Regeneration (RuBP).
Updated On: Aug 27, 2026
- Hatch and Slack cycle
- Calvin cycle
- Oxidative photosynthetic carbon cycle
- CAM
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of photosynthetic pathways and their products.
Step 2: Detailed Explanation:
In the Calvin cycle (C3 pathway), the reduction step converts 3-phosphoglycerate (3-PGA) to glyceraldehyde-3-phosphate (G3P), a triose phosphate.
This step requires ATP and NADPH.
Hatch and Slack cycle (A) is the C4 pathway.
Oxidative photosynthetic carbon cycle (C) is photorespiration.
CAM (D) is Crassulacean Acid Metabolism.
Thus, triose phosphate is formed in the Calvin cycle.
Step 3: Final Answer:
Thus, triose phosphate is formed in the Calvin cycle, which corresponds to option (B).
[0.5cm]
This question tests knowledge of photosynthetic pathways and their products.
Step 2: Detailed Explanation:
In the Calvin cycle (C3 pathway), the reduction step converts 3-phosphoglycerate (3-PGA) to glyceraldehyde-3-phosphate (G3P), a triose phosphate.
This step requires ATP and NADPH.
Hatch and Slack cycle (A) is the C4 pathway.
Oxidative photosynthetic carbon cycle (C) is photorespiration.
CAM (D) is Crassulacean Acid Metabolism.
Thus, triose phosphate is formed in the Calvin cycle.
Step 3: Final Answer:
Thus, triose phosphate is formed in the Calvin cycle, which corresponds to option (B).
[0.5cm]
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