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Q. No.The carboxylation of RuBP in Calvin cycle leads to the formation of:
1. Acetyl CoA
2. 3-PGA
3. Citric caid
4. Oxaloacetic acid
Subtopic: Dark Reaction : Calvin Cycle |
87%
From NCERT
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For every CO2 molecule entering the Calvin cycle:
| 1. | 3 molecules of ATP and 2 of NADPH are required |
| 2. | 2 molecules of ATP and 3 of NADPH are required |
| 3. | 3 molecules of ATP and 3 of NADPH are required |
| 4. | 2 molecules of ATP and 2 of NADPH are required |
Subtopic: Dark Reaction : Calvin Cycle |
89%
From NCERT
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In the chloroplast, ATP synthase complex is found within the:
| 1. | thylakoid membrane | 2. | thylakoid space |
| 3. | stroma | 4. | outer membrane |
Subtopic: Chemiosmotic hypothesis |
79%
From NCERT
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C4 plants have a competitive advantage over plants with C3 carbon fixation pathway under all the following conditions except:
1. drought
2. high temperatures
3. CO2 limitation
4. in the shade
1. drought
2. high temperatures
3. CO2 limitation
4. in the shade
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
54%
From NCERT
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In C4 plants, the additional number of ATP molecules required for the synthesis of a glucose molecule when compared to C3 plants is:
1. 2
2. 5
3. 12
4. 30
1. 2
2. 5
3. 12
4. 30
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
61%
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The primary carbon dioxide acceptor in Calvin cycle in C3 plants is:
| 1. | PEP (phosphoenol pyruvate) |
| 2. | RuBP (ribulose-1-5-biphosphate) |
| 3. | PGA (phosphoglyceric acid) |
| 4. | PG (phosphoglycolate) |
Subtopic: Dark Reaction : Calvin Cycle |
83%
From NCERT
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The ions comprising the Oxygen Evolving Complex associated with PS II are:
1. Manganese and magnesium
2. Manganese and chlorine
3. Calcium and iron
4. Magnesium and iron
1. Manganese and magnesium
2. Manganese and chlorine
3. Calcium and iron
4. Magnesium and iron
Subtopic: Light Reaction: Electron Transport |
64%
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What is the name of the 2-carbon compound formed in photorespiration?
| 1. | Acetyl CoA | 2. | Phosphoglycolate |
| 3. | Acetic acid | 4. | Ethanol |
Subtopic: Photorespiration |
76%
From NCERT
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During which of the following process is the most ATP produced in aerobic cellular respiration?
| 1. | glycolysis |
| 2. | the Krebs cycle |
| 3. | chemiosmosis |
| 4. | substrate-level phosphorylation |
Subtopic: Chemiosmotic hypothesis |
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Consider the given two statements:
| I: | PS I is so called because it was discovered before Photosystem II. |
| II: | Photosystem II is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Photosystems |
66%
From NCERT
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