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Q1. Which of the following is NOT a product of the light-dependent reactions?
Solution:
Glucose is not produced in the light-dependent reactions; it is produced in the Calvin cycle.
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Q2. What is the main function of the light reactions?
Solution:
The main function of the light reactions is to convert solar energy into chemical energy in the form of ATP and NADPH.
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Q3. In which phase of photosynthesis is carbon dioxide utilized?
Solution:
Carbon dioxide is utilized in the Calvin cycle during photosynthesis.
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Q4. Which gas is consumed during the dark reactions of photosynthesis?
Solution:
Carbon dioxide is consumed during the dark reactions (Calvin cycle) of photosynthesis.
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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. What is the main function of the thylakoid membrane?
Solution:
The thylakoid membrane's main function is to absorb light energy for photosynthesis.
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Q7. What is the main function of the light reactions in photosynthesis?
Solution:
The main function of the light reactions is to convert light energy into chemical energy in the form of ATP and NADPH.
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Q8. What is produced during the light reactions of photosynthesis?
Solution:
Both oxygen and NADPH are produced during the light reactions.
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Q9. 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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Q10. 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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