The following is the correct sequence of energy transfer between photosynthetic pigments:
Correct answer: B. Carotenoids→Chl.b→Chl.a
- A. Chl.a→Chl.b→Carotenoids
- B. Carotenoids→Chl.b→Chl.a
- C. Chl.b→Carotenoids→Chl.a
- D. In any direction
Explanation
The correct sequence of energy transfer between photosynthetic pigments is carotenoids→Chl.b→Chl.a. Carotenoids and chlorophyll b absorb light across different parts of the spectrum and transfer that energy to chlorophyll a, which is the primary pigment responsible for driving the light reactions of photosynthesis. This structured pathway ensures maximum efficiency in capturing and utilizing light energy. Options A, C, and D are incorrect because they do not represent the true order of energy transfer that occurs in the photosynthetic process.
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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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