Select Question Set:
Q. No.How many carbon atoms does the primary carbon dioxide acceptor have in C3 photosynthesis?
1.
2
2.
3
3.
4
4.
5
Subtopic: Dark Reaction : Calvin Cycle |
78%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
How many ATP and NADPH are respectively required to make one molecule of glucose through the Calvin pathway?
| 1. | 3 and 2 | 2. | 6 and 6 |
| 3. | 9 and 6 | 4. | 18 and 12 |
Subtopic: Dark Reaction : Calvin Cycle |
88%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Identify the incorrect statement regarding the comparison of plants to the plants:
| 1. | They tolerate higher temperatures |
| 2. | They show a response to high light intensities |
| 3. | They have a lower productivity of biomass |
| 4. | They lack photorespiration |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
The most common enzyme in the world is:
1. PEP carboxylase
2. Pyruvate dehydrogenase
3. RuBisCO
4. Collagenase
1. PEP carboxylase
2. Pyruvate dehydrogenase
3. RuBisCO
4. Collagenase
Subtopic: Dark Reaction : Calvin Cycle |
96%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Identify the correctly matched rows:
| C3 | C4 | ||
| I: | Productivity | Low | High |
| II: | CO2 compensation point | Low | Low |
| III: | Temperature optimum | 20 – 25º C | 30 – 45º C |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: C4 Plants Examples |
79%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
The number of molecules of NADPH and ATP required respectively to reduce six molecules of carbon dioxide to glucose in Calvin cycle?
| 1. | 6 and 6 | 2. | 12 and 12 |
| 3. | 12 and 18 | 4. | 18 and 12 |
Subtopic: Dark Reaction : Calvin Cycle |
79%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Photosystem I is directly associated with:
| 1. | passing electrons to plastoquinone |
| 2. | receiving electrons from plastocyanin |
| 3. | P680 as the chlorophyll a reaction-center |
| 4. | removal of electrons and protons from water |
Subtopic: Light Reaction: Electron Transport |
67%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
The extra ATP required [as compared to NADPH] in Calvin cycle comes from:
| 1. | photosystem II | 2. | photosystem I |
| 3. | cyclic electron flow | 4. | non cyclic electron flow |
Subtopic: Light Reaction: Electron Transport | Light Reaction: Photophosphorylation |
58%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
In chloroplasts, protons are actively pumped from
| 1. | the intermembrane space to the matrix. |
| 2. | the matrix to the stroma. |
| 3. | the stroma to the thylakoid space. |
| 4. | the thylakoid space to the intermembrane space. |
Subtopic: Chemiosmotic hypothesis |
63%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
For the synthesis of glucose, the source of hydrogen atoms is:
| 1. | Water | 2. | NADPH |
| 3. | FADH2 | 4. | Monosaccharides |
Subtopic: Dark Reaction: Biosynthetic Phase |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.