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Q. No.Non- cyclic photophosphorylation involves –
1.
PS-I
2.
PS-II
3.
PS-I and PS-II
4.
PS-I and LHC.
Subtopic: Light Reactions :3 | Light Reactions |
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Level 1: 80%+
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Where does cyclic photo-phosphorylation takes place?
| 1. | membranous system of chloroplast |
| 2. | stroma lamellae |
| 3. | grana |
| 4. | stroma |
Subtopic: Light Reactions :3 | Light Reactions |
79%
Level 2: 60%+
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Synthesis of ATP from ADP and inorganic phosphate in the presence of light is known as-
| 1. | phosphorylation |
| 2. | photo-phosphorylation |
| 3. | photorespiration |
| 4. | photooxidation. |
Subtopic: Light Reactions :3 | Light Reactions |
88%
Level 1: 80%+
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Which of the following statement is correct?
| 1. | H2S is the hydrogen donor for purple and green sulphur bacteria. |
| 2. | H2O is the hydrogen donor for purple and green sulphur bacteria. |
| 3. | Oxygen is evolved by the purple and green sulphur bacteria. |
| 4. | Oxygen evolved by the green plants comes from CO2. |
Subtopic: Historical View: Experiments |
84%
Level 1: 80%+
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ATP synthesis is linked to-
| 1. | Development of electron gradient |
| 2. | Development of atomic gradient |
| 3. | Development of proton gradient |
| 4. | Flow of electrons across the membrane |
Subtopic: Light Reactions :3 | Light Reactions |
87%
Level 1: 80%+
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What does not cause the proton gradient across the membrane?
| 1. | Splitting of water |
| 2. | Moving electrons through photosystems |
| 3. | Reduction of NADP |
| 4. | Fixing atmospheric Carban |
Subtopic: Light Reactions :3 | Light Reactions |
77%
Level 2: 60%+
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What does chemiosmosis require?
| 1. | membrane, cytosol, proton pump, ATPase, and proton gradient |
| 2. | membrane, cytosol, proton pump, and H-ions |
| 3. | membrane, protonpump, ATPase and proton gradient |
| 4. | membrane, cytosol, proton pump, ATPase and proton gradient, and H-ions |
Subtopic: Light Reactions :3 | Light Reactions |
73%
Level 2: 60%+
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Which enzyme catalyzes the reaction of ATP formation during chemiosmosis?
| 1. | ATP hydrolase | 2. | ATP synthase |
| 3. | ATPase | 4. | ATP synthetase |
Subtopic: Light Reactions :3 | Light Reactions |
61%
Level 2: 60%+
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ATP and NADPH produced during photosynthesis, are used in which of the following reactions?
1. Catabolic
2. Biosynthetic phase
3. amphibolic
4. Hydrolytic phase
Subtopic: Dark Reaction: Biosynthetic Phase |
87%
Level 1: 80%+
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Dark reaction depends upon-
| 1. | Presence of darkness |
| 2. | Presence of light |
| 3. | Products of light reactions |
| 4. | Products of biosynthetic phase |
Subtopic: Dark Reaction : Calvin Cycle |
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Level 1: 80%+
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