The light-dependent reaction Quiz
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5 questions, one answer each
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1. What is the source of the oxygen released in photosynthesis?
- A. Carbon dioxide
- B. Glucose
- C. Water
- D. ADP
2. What provides the energy to move protons into the thylakoid space?
- A. ATP hydrolysis
- B. Electrons passing along the electron transfer chain
- C. Oxygen
- D. Carbon dioxide
3. Which process produces ATP in the light-dependent reaction?
- A. Protons diffusing through ATP synthase
- B. Electrons diffusing through ATP synthase
- C. Water diffusing through ATP synthase
- D. ATP diffusing through the membrane
4. In an experiment with chloroplasts and DCPIP, what would you expect in the dark?
- A. Rapid loss of blue colour
- B. The blue colour is unchanged
- C. The mixture turns red
- D. Oxygen bubbles are released
5. What is the role of NADP in the light-dependent reaction?
- A. It splits water
- B. It makes ATP
- C. It accepts electrons and a proton
- D. It absorbs light