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Q. No.In Sorghum:
1.
Calvin cycle takes place in Mesophyll cells
2.
Initial carboxylation reaction occurs in Bundle sheath cells
3.
Number of carbon atoms in the primary carbon dioxide acceptor is 3
4.
PGA is the primary carbon dioxide fixation product
Subtopic: C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
65%
Level 2: 60%+
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The oxygen evolving complex is associated with:
| 1. | PS I | 2. | PS II |
| 3. | Both 1 and 2 | 4. | Neither 1 nor 2 |
Subtopic: Light Reaction: Electron Transport |
82%
Level 1: 80%+
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Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis?
It involves:
It involves:
| 1. | Reduction of NADP to NADPH2 on the stroma side of the membrane |
| 2. | Breakdown of proton gradient |
| 3. | Breakdown of electron gradient |
| 4. | Movement of protons across the membrane to the stroma |
Subtopic: Chemiosmotic hypothesis |
74%
Level 2: 60%+
NEET - 2022
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below :
| Statement I: | The primary \(CO_2\) acceptor in \(C_4\) plants is phosphoenolpyruvate and is found in the mesophyll cells. |
| Statement II: | Mesophyll cells in \(C_4\) plants lack RuBisCO enzyme. |
| 1. | Statement I is incorrect but Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct but Statement II is incorrect. |
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
82%
Level 1: 80%+
NEET - 2022
Hints
What is the role of large bundle sheath cells found around the vascular bundles in C4 plants?
| 1. | To protect the vascular tissue from high light intensity. |
| 2. | To provide the site for photorespiratory pathway. |
| 3. | To increase the number of chloroplast for the operation of Calvin cycle. |
| 4. | To enable the plant to tolerate high temperature. |
Subtopic: Question on C4 Pathway |
Level 3: 35%-60%
NEET - 2022
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The products of light reaction in photosynthesis are:
| 1. | ATP, NADPH and \(\text{O}_2\) |
| 2. | ATP, NADPH, \(\text{O}_2\) and \(\text{H}_2 \text{O}\) |
| 3. | ATP, NADPH and \(\text{H}_2 \text{O}\) |
| 4. | ATP, NADPH and \(\text{CO}_2\) |
Subtopic: Light Reaction: Electron Transport | Light Reactions |
79%
Level 2: 60%+
NEET - 2022
Hints
The ratio of carbon dioxide fixation between C4 plants and C3 plants is :
| 1. | 2:1 | 2. | 2: 3 |
| 3. | 1:1 | 4. | 1:2 |
Subtopic: Dark Reaction : Calvin Cycle | C4 Cycle (Hatch & Slack Pathway) |
57%
Level 3: 35%-60%
NEET - 2022
Hints
Which of the following is important to continue Calvin cycle in an uninterrupted manner?
| 1. | Oxidation of CO2 |
| 2. | Regeneration of the CO2 acceptor |
| 3. | Formation of hexose |
| 4. | Release of CO2 |
Subtopic: Dark Reaction : Calvin Cycle |
89%
Level 1: 80%+
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In Kranz anatomy, the bundle sheath cells have :
1. Thick walls, no intercellular spaces and large number of chloroplasts
2. Thin walls, no intercellular spaces and several chloroplasts
3. Thick walls, many intercellular spaces and few chloroplasts
4. Thin walls, many intercellular spaced and no chloroplasts
1. Thick walls, no intercellular spaces and large number of chloroplasts
2. Thin walls, no intercellular spaces and several chloroplasts
3. Thick walls, many intercellular spaces and few chloroplasts
4. Thin walls, many intercellular spaced and no chloroplasts
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
89%
Level 1: 80%+
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C4 plants are photosynthetically more efficient than C3 plants because :
1. They have more chloroplasts
2. The CO2 compensation point is more
3. The CO2 efflux is not prevented
4. CO2 generated during photosynthesis is trapped and recycled through PEP-carboxylase
1. They have more chloroplasts
2. The CO2 compensation point is more
3. The CO2 efflux is not prevented
4. CO2 generated during photosynthesis is trapped and recycled through PEP-carboxylase
Subtopic: C4 Cycle (Hatch & Slack Pathway) | C4 Plants Examples |
66%
Level 2: 60%+
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