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 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
Which pair is wrong:
1. – Maize
2. – Kranz anatomy
3. Calvin cycle - PGA
4. Hatch and Slack cycle – O.A.A
Which one of the following concerns photophosphorylation:
1.
2.
3.
4.
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
For the assimilation of one CO2 molecule in C3 plants, the energy required in the form of ATP and NADPH2 is:
1. 2 ATP & 2 NADPH2
2. 5 ATP & 3 NADPH2
3. 3 ATP & 2 NADPH2
4. 18 ATP & 12 NADPH2
For the synthesis of one glucose molecule, the Calvin cycle operates for:
1. | 2 times | 2. | 4 times |
3. | 6 times | 4. | 8 times |