Q. No.Subtopic: Aerobic Respiration | Kreb's Cycle |
82%
From NCERT
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The continued oxidation of acetyl CoA via the TCA cycle requires the continued replenishment of:
| I. Oxaloacetic acid | II. NAD+ | III. FAD |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
Subtopic: Kreb's Cycle |
65%
From NCERT
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During the conversion of pyruvic acid to acetyl CoA in mitochondrial matrix:
I: pyruvic acid is reduced.
II: NAD+ is oxidized.
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.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Kreb's Cycle |
56%
From NCERT
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Krebs cycle is also called as:
| 1. | glycolysis | 2. | fermentation |
| 3. | Calvin cycle | 4. | the citric acid cycle |
Subtopic: Kreb's Cycle |
90%
From NCERT
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Two successive steps of decarboxylation in the TCA cycle lead to the formation of:
1. α-ketoglutaric acid
2. fumaric acid
3. isocitric acid
4. succinyl-CoA
1. α-ketoglutaric acid
2. fumaric acid
3. isocitric acid
4. succinyl-CoA
Subtopic: Kreb's Cycle |
70%
From NCERT
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In the citric acid cycle:
| 1. | oxygen is used to oxidise the acetyl group carbons of acetyl-CoA in the citric acid cycle. |
| 2. | three molecules of NADH and one molecule of FADH2 are produced in one turn. |
| 3. | oxygen is not used, so the cycle can occur in anaerobic conditions. |
| 4. | water is formed during the complete oxidation of glucose. |
Subtopic: Kreb's Cycle |
78%
From NCERT
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The correct chronology of steps of formation of the given metabolites in TCA cycle is:
| 1. | Isocitrate – Citrate – Succinyl CoA – α ketoglutarate |
| 2. | Citrate – Isocitrate – Succinyl CoA – α ketoglutarate |
| 3. | Citrate – Isocitrate – α ketoglutarate – Succinyl CoA |
| 4. | Isocitrate – Citrate – α ketoglutarate – Succinyl CoA |
Subtopic: Kreb's Cycle |
85%
From NCERT
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During the conversion of succinyl CoA to succinic acid in TCA cycle:
1. One molecule of ATP is directly synthesized
2. is reduced
3. FAD is reduced
4. One molecule of GTP is synthesized
Subtopic: Kreb's Cycle |
80%
From NCERT
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What is the respective number for NADH and FADH2 produced during one turn of the Krebs’ Citric Acid Cycle?
| 1. | 1 and 1 | 2. | 2 and 1 |
| 3. | 3 and 1 | 4. | 6 and 2 |
Subtopic: Kreb's Cycle |
78%
From NCERT
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Subtopic: Kreb's Cycle |
79%
From NCERT
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