Q. No.Which of the following statements is incorrect?
1.
Grana lamellae have both PS I and PS II.
2.
Cyclic photophosphorylation involves both PS I and PS II.
3.
Both ATP and NADPH + H+ are synthesized during non-cyclic photophosphorylation.
4.
Stroma lamellae have PS I only and lack NADP reductase.
The first stable product of CO2 fixation in sorghum is:
1. Succinic acid
2. Phosphoglyceric acid
3. Pyruvic acid
4. Oxaloacetic acid
Which pair is wrong:
| 1. | C3 – Maize |
| 2. | C4 – Kranz anatomy |
| 3. | Calvin cycle - PGA |
| 4. | Hatch and Slack cycle – O.A.A |
Which one of the following is wrong in relation to photorespiration:
| 1. | It occurs in chloroplasts |
| 2. | It occurs in the daytime only |
| 3. | It is a characteristic of C4 plants |
| 4. | It is a characteristic of C3 plants |
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 |
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. | \(\mathrm{AMP}+\text { Inorganic } \mathrm{PO}_4 \xrightarrow{\text { Lightenergy }} \text { ATP }\) |
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 of the following absorbs light energy for photosynthesis:
1. Chlorophyll
2. Water molecule
3. O2
4. RUBP
In photosynthesis, energy from light reaction to dark reaction is transferred in the form of:
1. ADP
2. ATP
3. RUDP
4. Chlorophyll
Which is the first CO2 acceptor enzyme in C4 plants:
1. RuDP Carboxylase
2. Phosphoric acid
3. RUBISCO
4. PEP-Carboxylase
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