ATP and the light-dependent reactions Quiz
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5 questions, one answer each
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1. Which row describes the hydrolysis of ATP?
- A. Needs energy and makes ATP
- B. Releases energy and makes ADP and Pi
- C. Needs energy and makes ADP and Pi
- D. Releases energy and makes ATP
2. What happens to chlorophyll when it absorbs light?
- A. It loses excited electrons
- B. It is hydrolysed
- C. It gains electrons from NADP
- D. It releases oxygen
3. Where do the electrons that replace those lost from chlorophyll come from?
- A. Carbon dioxide
- B. ATP
- C. Water
- D. Reduced NADP
4. What is the role of ATP synthase in the thylakoid membrane?
- A. It pumps H⁺ into the thylakoid space
- B. It makes ATP as H⁺ flow through it down a gradient
- C. It splits water
- D. It reduces NADP
5. Which products are made in the light-dependent reactions?
- A. Glucose and oxygen
- B. ATP, NADP and carbon dioxide
- C. GP and ADP
- D. ATP, reduced NADP and oxygen