Q. No.
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Splitting of water is associated with
| 1. | photosystem I |
| 2. | lumen of thylakoid |
| 3. | both photosystems I and II |
| 4. | inner side of thylakoid membrane |
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The correct sequence of flow of electrons in the light reaction is:
| 1. | PS II, plastoquinone, cytochromes, PS I, ferredoxin |
| 2. | PS I, plastoquinone, cytochromes, PS II, ferredoxin |
| 3. | PS I, ferredoxin, PS II |
| 4. | PS I, plastoquinone, cytochromes, PSII, ferredoxin |
The enzyme that is not found in a C3 plant is
1. RuBP carboxylase
2. PEP carboxylase
3. NADP reductase
4. ATP synthase
The reaction that is responsible for the primary fixation of CO2 is catalysed by
| 1. | RUBP carboxylase |
| 2. | PEP carboxylase |
| 3. | RuBP carboxylase and PEP carboxylase |
| 4. | PGA synthase |
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When CO2 is added to PEP, the first stable product synthesized is
1. pyruvate
2. glyceraldehyde-3-phosphate
3. phosphoglycerate
4. oxaloacetate
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Which pigment acts directly to convert light energy to chemical energy ?
1. Chlorophyll a
2. Chlorophyll b
3. Xanthophyll
4. Carotenoid
Which range of wavelength (in nm) is called photosynthetically active radiation (PAR) ?
1. 100 - 390
2. 390-430
3. 400 - 700
4. 760- 100,00
Chemosynthetic bacteria obtain energy from
1. Sun
2. Infra red rays
3. Organic substances
4. Inorganic chemicals
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