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Q1. Which enzyme is responsible for carbon fixation in the Calvin cycle?
Solution:
Rubisco is the enzyme that catalyzes the fixation of carbon dioxide in the Calvin cycle.
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Q2. What is produced during the light reactions of photosynthesis?
Solution:
Both oxygen and NADPH are produced during the light reactions.
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Q3. Which light wavelength is most effective for photosynthesis?
Solution:
Blue light is most effective for photosynthesis as it is absorbed efficiently by chlorophyll.
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Q4. Which molecule acts as an electron carrier in the light reactions?
Solution:
NADPH acts as an electron carrier in the light reactions.
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Q5. Which enzyme is responsible for fixing carbon dioxide in the Calvin cycle?
Solution:
Rubisco is the enzyme that catalyzes the fixation of carbon dioxide in the Calvin cycle.
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Q6. Which gas is a byproduct of the light reactions?
Solution:
Oxygen is released as a byproduct of the light reactions of photosynthesis.
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Q7. In which part of the chloroplast do the light reactions of photosynthesis occur?
Solution:
The light reactions occur in the thylakoid membranes of the chloroplast.
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Q8. In which phase of photosynthesis is carbon dioxide utilized?
Solution:
Carbon dioxide is utilized in the Calvin cycle during photosynthesis.
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Q9. Which molecule acts as the primary energy carrier in the dark reactions?
Solution:
ATP is the primary energy carrier used in the dark reactions (Calvin cycle).
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Q10. During which phase of photosynthesis is carbon dioxide incorporated into organic molecules?
Solution:
Carbon dioxide is incorporated into organic molecules during the Calvin cycle.
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