Q. No.What is the metabolic fate of pyruvate?
1. It is the end product of glycolytic pathway
2. It is reduced to acetyl CoA in the presence of oxygen
3. It depends on the cellular needs
4. It is decarboxylated in the cytosol
1. It is the end product of glycolytic pathway
2. It is reduced to acetyl CoA in the presence of oxygen
3. It depends on the cellular needs
4. It is decarboxylated in the cytosol
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The maximum concentration of alcohol in beverages that are naturally fermented is about:
| 1. 5 – 8 % | 2. 13 – 15 % |
| 3. 33 – 34 % | 4. 47 – 49 % |
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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 |
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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
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Ubiquinone receives reducing equivalents via:
| I. Complex I | II. Complex II | III. Complex III |
| 1. | Only I | 2. | Only I and II |
| 3. | Only I and III | 4. | I, II and III |
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Cytochrome c is found:
| 1. | attached to outer surface of the inner mitochondrial membrane |
| 2. | attached to inner surface of the inner mitochondrial membrane |
| 3. | in the inter membrane space |
| 4. | in the mitochondrial matrix |
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The number of ATP molecules synthesized from oxidation of one molecule of NADH and one molecule of are respectively:
| 1. | 3 and 2 | 2. | 2 and 3 |
| 3. | 1 and 1 | 4. | 2 and 1 |
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Oxygen drives the process of ATP production via ETS. The best explanation for this would be that oxygen:
1. is needed at the end of the aerobic respiration
2. is the terminal electron donor
3. is not required in the glycolytic pathway
4. acts as the final hydrogen acceptor
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According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?
| 1. 2 | 2. 30 |
| 3. 36 | 4. 38 |
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