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Q. No.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%
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Which enzyme is associated with Complex II of the mitochondrial Electron Transport System?
1. NADH dehydrogenase
2. Succinate dehydrogenase
3. Pyruvate dehydrogenase
4. Malate dehydrogenase
1. NADH dehydrogenase
2. Succinate dehydrogenase
3. Pyruvate dehydrogenase
4. Malate dehydrogenase
Subtopic: ETS |
84%
From NCERT
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A net gain of how many ATP molecules occurs during aerobic respiration of one molecule of glucose?
1. 30
2. 32
3. 36
4. 38
1. 30
2. 32
3. 36
4. 38
Subtopic: Aerobic Respiration |
74%
From NCERT
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A molecule of ATP is produced in glycolysis during:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | The conversion of glucose into glucose 6-phosphate. |
| II: | The conversion of fructose 6-phosphate to fructose 1, 6-bisphosphate. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Glycolysis |
73%
From NCERT
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The net number of ATP and NADH molecules produced because of glycolysis of one glucose molecule respectively will be:
1. 2 and 2
2. 2 and 4
3. 4 and 2
4. 4 and 4
1. 2 and 2
2. 2 and 4
3. 4 and 2
4. 4 and 4
Subtopic: Glycolysis |
72%
From NCERT
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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 |
51%
From NCERT
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Two phosphorylation steps lead to formation of fructose 1,6 biphosphate from glucose in the first three steps of glycolysis. What is the source of phosphate being used?
1. phospholipids of cell membranes
2. ATP
3. inorganic phosphate from the cytosol
4. ADP
1. phospholipids of cell membranes
2. ATP
3. inorganic phosphate from the cytosol
4. ADP
Subtopic: Glycolysis |
83%
From NCERT
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What would be true for glycolysis in cellular respiration?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
| I: | ATP is produced |
| II: | ATP is used |
| III: | Glucose is partially oxidised |
2. I and III only
3. II and III only
4. I, II and III
Subtopic: Glycolysis | Fermentation |
84%
From NCERT
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Carbon dioxide is released during:
1. Lactic acid fermentation
2. Ethanol fermentation
3. Glycolysis
4. Hydrolysis of starch into glucose
1. Lactic acid fermentation
2. Ethanol fermentation
3. Glycolysis
4. Hydrolysis of starch into glucose
Subtopic: Fermentation |
82%
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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