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Q. No.Subtopic: Light Reactions :1 | Light Reactions :2 | Light Reactions |
68%
From NCERT
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In the Z-scheme of light reaction, at how many positions an electron is excited by the light?
1. 1
2. 2
3. 3
4. 4
Subtopic: Light Reactions :1 | Light Reactions :2 | Light Reactions |
82%
From NCERT
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Which of the following statement is incorrect?
| 1. | Electrons to PS-I are provided by PS-II |
| 2. | Electrons to PS-II are provided by the splitting of water |
| 3. | Electrons to PS-I are provided by the splitting of water |
| 4. | PS-II is physically located on the inner side of the membrane of the thylakoid. |
Subtopic: Light Reactions :3 | Light Reactions |
80%
From NCERT
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In plant cells ATP is synthesised in-
| 1. | mitochondria |
| 2. | chloroplast |
| 3. | mitochondria and chloroplast |
| 4. | in mitochondria during day and in chloroplasts during night. |
Subtopic: Light Reactions :3 | Light Reactions |
73%
From NCERT
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Subtopic: Light Reactions :3 | Light Reactions |
86%
From NCERT
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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 |
78%
From NCERT
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Synthesis of ATP from ADP and inorganic phosphate in the presence of light is known as-
a. phosphorylation
b. photo-phosphorylation
c. photorespiration
d. photooxidation.
Subtopic: Light Reactions :3 | Light Reactions |
88%
From NCERT
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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%
From NCERT
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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 |
86%
From NCERT
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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. | Q cycle |
Subtopic: Light Reactions :3 | Light Reactions |
76%
From NCERT
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