Which of the following is the chief pigment associated with photosynthesis?
1. chl-a
2. chl-b
3. chl- a and xanthophylls
4. chl-a and carotenoids
How many pigments are responsible for the color of a plant leaf?
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Range of wavelength at which chlorophyll-a shows the maximum absorption in blue region:
| 1. | 400-450 nm | 2. | 450-500 nm |
| 3. | 650-700 nm | 4. | 500-600 nm. |