It takes part directly in the light-dependent reactions:
Correct answer: D. Both A and B
- A. Chlorophyll a and Chlorophyll b
- B. Carotenoids
- C. Bacteriochlorophyll
- D. Both A and B
Explanation
Option D is correct. Chlorophyll a and chlorophyll b are the primary pigments that capture light energy and drive the light-dependent reactions by producing ATP and NADPH. Although carotenoids do not directly convert light energy to chemical energy, they enhance photosynthesis by capturing wavelengths of light that chlorophyll cannot, broadening the range of light absorption. Bacteriochlorophyll is not involved in the plant light-dependent reactions; it is specific to bacterial photosynthesis.
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