How many ATP and NADHP will be required to form a heptose sugar through C3 cycle?
1. 18 ATP & 12 NADPH
2. 21 ATP & 14 NADPH
3. 12 ATP & 18 NADPH
4. 24 ATP & 16 NADPH
Subtopic: Â Dark Reaction : Calvin Cycle |
 52%
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Which of the following processes is most crucial for Calvin cycle?
1. Regeneration
2. Reduction
3. Carboxylation
4. Elimination
1. Regeneration
2. Reduction
3. Carboxylation
4. Elimination
Subtopic: Â Dark Reaction : Calvin Cycle |
 81%
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All of the following properties are exhibited by Sorghum, except
| 1. | Adaptability to dry tropical regions |
| 2. | Greater productivity of biomass |
| 3. | Presence of photorespiration |
| 4. | Response towards high light intensities. |
Subtopic: Â C4 Plants Examples |
 91%
From NCERT
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Mesophylls cells of rice differs from that of maize, as the latter exhibits the presence of:
1. Glucose
2. RuBisCO
3. PEPcase
4. RuBP
1. Glucose
2. RuBisCO
3. PEPcase
4. RuBP
Subtopic: Â Dark Reaction : Calvin Cycle |Â C4 Cycle (Hatch & Slack Pathway) |
 76%
From NCERT
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if CO2 : O2 concentration is equal, then the RuBisCO binds:
| 1. | Randomly to either CO2 or O2 |
| 2. | To CO2 |
| 3. | To O2 |
| 4. | Neither to CO2 nor O2 |
Subtopic: Â Photorespiration |
 85%
From NCERT
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How many 3 PGA molecules will be formed from the 20 RuBP molecules, if CO2 : O2 is 1:10?
1. 40
2. 20
3. 10
4. 15
1. 40
2. 20
3. 10
4. 15
Subtopic: Â Dark Reaction : Calvin Cycle |
 57%
From NCERT
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Which of the following will become a limiting factor for photosynthesis under cold conditions?
1. Water
2. CO2 concentration
3. Chlorophyll
4. Temperature
1. Water
2. CO2 concentration
3. Chlorophyll
4. Temperature
Subtopic: Â Factors Affecting Photosynthesis |
 84%
From NCERT
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In which of the following cases, light will become a limiting factor?
| 1. | In case of high light intensity |
| 2. | In case of low temperature |
| 3. | In case of plants in dense forests |
| 4. | In case of water scarcity |
Subtopic: Â Factors Affecting Photosynthesis |
 81%
From NCERT
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What effect will be observed on rate of photosynthesis, if the light intensity given to the plant is 10 percent of the full sunlight?
1. It will increase
2. It will decrease
3. It will saturate
4. The process will be stopped
1. It will increase
2. It will decrease
3. It will saturate
4. The process will be stopped
Subtopic: Â Factors Affecting Photosynthesis |
 72%
From NCERT
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Which among the following is the major limiting factor for photosynthesis?
1. Light
2. CO2 concentration
3. Temperature
4. Water
1. Light
2. CO2 concentration
3. Temperature
4. Water
Subtopic: Â Factors Affecting Photosynthesis |
 86%
From NCERT
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