Photosynthesis overview and pigments Quiz
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5 questions, one answer each
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1. Which colour of light is least absorbed by chlorophyll?
- A. Red
- B. Blue
- C. Green
- D. Violet
2. A pigment moved 3.6 cm and the solvent front moved 9.0 cm. What is the Rf value?
- A. 0.25
- B. 0.40
- C. 2.5
- D. 5.4
3. How do protons make ATP in the thylakoid membrane?
- A. By being pumped through ATP synthase
- B. By diffusing through the phospholipid bilayer
- C. By binding to chlorophyll
- D. By diffusing down an electrochemical gradient through ATP synthase
4. Why is the similarity of photosynthesis in algae and plants evidence for a common ancestor?
- A. The feature was probably inherited from the same ancestor
- B. Algae are plants
- C. Photosynthesis is not complex
- D. Both live in water
5. Which is a reason photosynthesis is not 100% efficient?
- A. All wavelengths are absorbed
- B. No energy is lost as heat
- C. Some light is reflected or transmitted
- D. Limiting factors never apply