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Q. No.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%
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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%
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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%
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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%
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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%
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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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In the mitochondrial Electron Transport System, Cytochrome c:
| 1. | is a small protein attached to the inner surface of the outer membrane and acts as a mobile carrier for transfer of electrons between complex III and IV. |
| 2. | is a small protein attached to the outer surface of the inner membrane and acts as a mobile carrier for transfer of electrons between complex III and IV. |
| 3. | is a lipid present within the inner membrane and acts as a mobile carrier for transfer of electrons between complex I and II. |
| 4. | is a lipid present within the inner membrane and acts as a mobile carrier for transfer of electrons between complex II and III. |
Subtopic: ETS |
82%
From NCERT
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