Q. No.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
In photosynthesis, energy from light reaction to dark reaction is transferred in the form of:
1. ADP
2. ATP
3. RUDP
4. Chlorophyll
Which of the following absorbs light energy for photosynthesis:
1. Chlorophyll
2. Water molecule
3. O2
4. RUBP
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 one of the following concerns photophosphorylation:
| 1. | \(\mathrm{ADP}+\mathrm{AMP} \xrightarrow{\text { Lightenergy }} \text { ATP }\) |
| 2. | \(\mathrm{ADP}+\text { Inorganic } \mathrm{PO}_4 \xrightarrow{\text { Lightenergy }} \text { ATP }\) |
| 3. | \(\text { ADP }+ \text { Inorganic } \mathrm{PO}_4 \rightarrow \text { ATP }\) |
| 4. | \(\mathrm{AMP}+\text { Inorganic } \mathrm{PO}_4 \xrightarrow{\text { Lightenergy }} \text { ATP }\) |
Stomata of CAM plants:
| 1. | Are always open |
| 2. | Open during the day and close at night |
| 3. | Open during the night and close during the day |
| 4. | Never open |
In the sugarcane plant, 14CO2 is fixed in malic acid because the enzyme that fixes CO2 is:
| 1. | Ribulose biphosphate carboxylase |
| 2. | Phosphoenol pyruvic acid carboxylase |
| 3. | Ribulose phosphate kinase |
| 4. | Fructose phosphatase |
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