A plant is irradiated with light having wavelengths greater than 680 nm. How many electrons will be generated by water splitting complex in thylakoid, if 20 molecules of water are available?
1. Zero
2. 20
3. 10
4. 40
Subtopic: Â Chemiosmotic hypothesis |
 54%
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Which mode of transport is exhibited by proton movement across ATP synthase?
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Osmosis
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Osmosis
Subtopic: Â Chemiosmotic hypothesis |
 70%
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Conformational change in the CF1 particle ATP synthase is
| 1. | Brought about by development of proton gradient. |
| 2. | Brought about by maintenance of proton gradient. |
| 3. | Brought about by breakdown of proton gradient. |
| 4. | Not dependent on proton gradient |
Subtopic: Â Chemiosmotic hypothesis |
 82%
From NCERT
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Which of the following organisms is employed to confirm that the first CO2 fixation product in C3 cycle is three-carbon organic acid?
1. Algae
2. Cyanobacteria
3. Dinoflagellate
4. Bryophyte
1. Algae
2. Cyanobacteria
3. Dinoflagellate
4. Bryophyte
Subtopic: Â WHERE ARE THE ATP AND NADPH USED |
 84%
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Which of the following types of sugars includes RuBP?
1. Acidic sugar
2. Alcoholic sugar
3. Aldehydic sugar
4. Ketonic sugar
1. Acidic sugar
2. Alcoholic sugar
3. Aldehydic sugar
4. Ketonic sugar
Subtopic: Â WHERE ARE THE ATP AND NADPH USED |
 76%
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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
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%
From NCERT
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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%
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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%
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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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