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Q. No.Consider the given two statements:
Assertion (A):
Fermentation is a type of anaerobic respiration where glucose is partially oxidized to produce energy.
Reason (R):
Fermentation results in the production of ethanol or lactic acid without the use of oxygen.
1.
Both (A) and (R) are True and (R) correctly explains (A).
2.
Both (A) and (R) are True but (R) does not correctly explain (A).
3.
(A) is True, (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Fermentation |
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In ETS in mitochondria, oxygen acts as a:
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
| A. | Final acceptor of electrons |
| B. | Final acceptor of protons |
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic: ETS |
51%
From NCERT
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Alcohol fermentation by yeast produces:
1. \(\text{CO}_2\) and ethanol
2. Lactic acid and ATP
3. Ethanol, \(\text{CO}_2\), and NAD+
4. Pyruvate and NADH
1. \(\text{CO}_2\) and ethanol
2. Lactic acid and ATP
3. Ethanol, \(\text{CO}_2\), and NAD+
4. Pyruvate and NADH
Subtopic: Fermentation |
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In lactic acid and alcohol fermentation:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | less than 7 percent of energy in glucose is released. |
| II: | all energy released is trapped as high energy bonds of ATP. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Fermentation |
57%
From NCERT
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In 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: | Complex I is NADH dehydrogenase |
| II: | Complex II is succinate dehydrogenase |
| III: | Complex III is cytochrome b6f complex. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: ETS |
53%
From NCERT
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Consider the given two statements:
| Statement I: | Pyruvate is decarboxylated to acetyl CoA in the cytoplasm |
| Statement II: | Acetyl CoA enters the Krebs cycle to produce ATP. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Kreb's Cycle |
52%
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Consider the given two statements:
| Assertion (A): | Oxidative phosphorylation occurs in the inner mitochondrial membrane. |
| Reason (R): | The inner mitochondrial membrane is permeable to protons. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Oxidative Phosphorylation |
From NCERT
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During the conversion of pyruvic acid to acetyl CoA in mitochondrial matrix:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | pyruvic acid is reduced. |
| II: | NAD+ is oxidized. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Kreb's Cycle |
56%
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That glycolysis is an ancient metabolic process is evidenced in the fact that:
1. it yields large number of ATP molecules
2. it does not directly use oxygen
3. it occurs virtually in all cells
4. it takes place in the cytoplasm
1. it yields large number of ATP molecules
2. it does not directly use oxygen
3. it occurs virtually in all cells
4. it takes place in the cytoplasm
Subtopic: Glycolysis |
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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 |
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