Q. No.
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
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The first step for initiation of photosynthesis will be:
| 1. | Photolysis of water |
| 2. | Excitement of chlorophyll molecule due to absorption of light |
| 3. | ATP formation |
| 4. | Glucose formation |
For the synthesis of one glucose molecule, the Calvin cycle operates for:
| 1. | 2 times | 2. | 4 times |
| 3. | 6 times | 4. | 8 times |
1. 2 ATP & 2 NADPH2
2. 5 ATP & 3 NADPH2
3. 3 ATP & 2 NADPH2
4. 18 ATP & 12 NADPH2
Which is the first CO2 acceptor enzyme in C4 plants:
1. RuDP Carboxylase
2. Phosphoric acid
3. RUBISCO
4. PEP-Carboxylase
What happens in light reaction (Photo chemical reaction):
1. Formation of ATP and NADPH2
2. Formation of ATP
3. Formation of sugar
4. Breakdown of sugar
Which pair is wrong:
| 1. | C3 – Maize |
| 2. | C4 – Kranz anatomy |
| 3. | Calvin cycle - PGA |
| 4. | Hatch and Slack cycle – O.A.A |
Which pigment system is inactivated in the red drop:
1. PS-I and P.S-II
2. PS – I
3. PS – II
4. None
In photosynthesis, energy from light reaction to dark reaction is transferred in the form of:
1. ADP
2. ATP
3. RUDP
4. Chlorophyll
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