In non-cyclic photo-phosphorylation:
1.
only PS I is functional
2.
both photosystems work in series, first PS I and then PS II
3.
only ATP synthesis takes place and NADPH is not synthesized
4.
both ATP and NADPH are synthesized
Subtopic: Â Light Reaction: Electron Transport |
 76%
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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: Â C4 Cycle (Hatch & Slack Pathway) |Â C4 Plants Examples |
 63%
From NCERT
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Subtopic: Â Light Reaction: Electron Transport |
 81%
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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: Â Chemiosmotic hypothesis |
 73%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below :
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.
| 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: Â C4 Cycle (Hatch & Slack Pathway) |
 80%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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"Girdling Experiment" was performed by Plant Physiologists to identify the plant tissue through which:
1. osmosis is observed
2. water is transported
3. food is transported
4. for both water and food transportation
1. osmosis is observed
2. water is transported
3. food is transported
4. for both water and food transportation
Subtopic: Â Historical View: Experiments |
 63%
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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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: Â Question on C4 Pathway |
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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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: Â Light Reaction: Electron Transport |Â Light Reactions |
 77%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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: Â Dark Reaction : Calvin Cycle |
 58%
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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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
1. Oxidation of CO2
2. Regeneration of the CO2 acceptor
3. Formation of hexose
4. Release of CO2
Subtopic: Â Dark Reaction : Calvin Cycle |
 87%
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