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Q. No.Regarding the transition [link] reaction:
I:
It occurs in the matrix of mitochondria.
II:
It links glycolysis to the Krebs cycle.
III:
Two oxygen molecules are given off from glucose.
IV:
Four NADH molecules are formed from the reaction.
1. Only I and II are correct
2. Only III and IV are correct
3. Only I and III are correct
4. Only II and IV are correct
Subtopic: Glycolysis | Glycolysis Regulation | Kreb's Cycle |
90%
From NCERT
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During a turn of the Krebs cycle during aerobic cellular respiration, all the following will be produced:
| I: | carbon dioxide |
| II: | ATP |
| III: | water |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Kreb's Cycle |
57%
From NCERT
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What number would in represented by ‘X’ in the given equations?
1. 2
2. 4
3. 6
4. 1
| I: | \(\mathrm{C_6H_{12}O_6} → 2~ \text {pyruate} + \text{X} \text {ATP}\) |
| II: | \(\mathrm{C_6H_{12}O_6} → 2~ \text {lactate} + \mathrm{X} \text {ATP}\) |
| III: | \(\mathrm{C_6H_{12}O_6} → 2~ \text {alcohol} + 2 \mathrm{CO_2}+\mathrm{X} \text {ATP}\) |
1. 2
2. 4
3. 6
4. 1
Subtopic: Glycolysis | Glycolysis Regulation |
84%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | ATP formation by glycolysis requires oxygen |
| Statement II: | ATP can be formed through substrate-level phosphorylation and this process requires a high-energy phosphate group that is transferred directly to ADP. |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Glycolysis | Glycolysis Regulation |
75%
From NCERT
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Regarding Complex I of the mitochondrial electron transport chain:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | It is composed of flavin mononucleotide (FMN) and an iron-sulfur (Fe-S)-containing protein. |
| II: | The enzyme in complex I is NADH dehydrogenase. |
| III: | It can pump four hydrogen ions across the membrane from the matrix into the intermembrane space. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: ETS:2 | ETS:1 | ETS |
70%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is correct; Statement II is correct
| Statement I: | Both photosynthesis and aerobic cellular respiration occur in plant cells but only aerobic cellular respiration occurs in animal cells. |
| Statement II: | Both photosynthesis and aerobic cellular respiration occur during the daylight hours, but only aerobic cellular respiration occurs at night. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is correct; Statement II is correct
Subtopic: Introduction |
50%
From NCERT
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Regeneration of NAD+ is accomplished by:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Ethanol fermentation |
| II: | Lactate fermentation |
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Fermentation |
83%
From NCERT
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Yeasts carry out ethanol fermentation but poison themselves to death when the concentration of alcohol reaches about:
| 1. | 5 per cent. | 2. | 13 per cent. |
| 3. | 20 per cent. | 4. | 45 per cent. |
Subtopic: Fermentation |
93%
From NCERT
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During aerobic respiration, the passing on of the electrons removed, as part of the hydrogen atoms, to molecular O2 with simultaneous synthesis of ATP takes place:
1. In the cytoplasm
2. In the mitochondrial matrix
3. In the intermembrane space
4. In the inner membrane of mitochondria
1. In the cytoplasm
2. In the mitochondrial matrix
3. In the intermembrane space
4. In the inner membrane of mitochondria
Subtopic: ETS |
62%
From NCERT
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In the mitochondrial Electron Transport System, Ubiquinone receives reducing equivalents from:
I: Complex I
II: Complex II
I: Complex I
II: Complex II
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: ETS |
69%
From NCERT
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