Which is wrong for cytochrome P–450?
1. It contains Fe
2. It is concerned with oxidation
3. It is a pigment
4. It is a coloured cell
What change occurs during conversion of proto chlorophyll to chlorophyll :
1. Addition of 2H in one pyrrole ring
2. Loss of 2H
3. Addition of Mg
4. Loss of Mg
Which of the following absorbs light energy for photosynthesis:
1. Chlorophyll
2. Water molecule
3. O2
4. RUBP
Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants:
1. | Blue and green | 2. | Green and red |
3. | Red and violet | 4. | Violet and blue |
Photosynthetically active radiation (PAR) represents the following range of wavelengths:
1. 450-950 nm
2. 340-450 nm
3. 400-700 nm
4. 500-600 nm