| Column I | Column II | ||
| A. | Green sulphur bacteria | 1. | Rhodospirillum |
| B. | Purple sulphur bacteria | 2. | Chlorobium |
| C. | Purple non-sulphur bacteria | 3. | Chromatium |
A) A-2, B-1, C-3
B) A-2, B-3, C-1
C) A-3, B-1, C-2
D) A-1, B-2, C-3
Correct Answer: B
Solution :
Green sulphur bacteria contains chlorobium chlorophyll, which absorb 720-750 nm (far red light) of wavelength of light, e.g., Chlorobium. Purple sulphur bacteria, e.g., Chromatium. Purple non-sulphur bacteria, e.g., Rhodospirillum, Rhodopseudomonas.
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