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Q. No.Subtopic: Glycolysis |
91%
From NCERT
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Decarboxylation is involved in:
1. electron transport system
2. glycolysis
3. Krebs' cycle
4. lactic acid fermentation
1. electron transport system
2. glycolysis
3. Krebs' cycle
4. lactic acid fermentation
Subtopic: Kreb's Cycle |
85%
From NCERT
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Consider the given two statements:
| Assertion (A): | ATP acts as the energy currency of the cell. |
| Reason (R): | ATP is a ribonucleoside triphosphate. |
| 1. | Both (A) and (R) are True and (R) explains (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Introduction |
From NCERT
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In anaerobic organisms, the only process in respiration is:
1. EMP pathway
2. Hatch and Slack pathway
3. Tricarboxylic acid cycle
4. Calvin Benson cycle
1. EMP pathway
2. Hatch and Slack pathway
3. Tricarboxylic acid cycle
4. Calvin Benson cycle
Subtopic: Glycolysis |
89%
From NCERT
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Sucrose is converted into glucose and fructose by the enzyme:
1. Lactase
2. Zymase
3. Diastase
4. Invertase
1. Lactase
2. Zymase
3. Diastase
4. Invertase
Subtopic: Glycolysis |
96%
From NCERT
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The step in the glycolytic pathway where NADH + H+ is formed from NAD+ is when:
| 1. | fructose 1, 6-bisphosphate is split into dihydroxyacetone phosphate and 3-phosphoglyceraldehyde (PGAL) |
| 2. | 3-phosphoglyceraldehyde (PGAL) is converted to 1, 3-bisphosphoglycerate (BPGA) |
| 3. | BPGA is converted to 3-phosphoglyceric acid (PGA) |
| 4. | PEP is converted to pyruvic acid |
Subtopic: Glycolysis |
81%
From NCERT
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The reaction 2 in the given figure is catalysed by the enzyme:
1. Pyruvate decarboxylase
2. Pyruvate kinase
3. Pyruvate dehydrogenase
4. Pyruvate synthetase
1. Pyruvate decarboxylase
2. Pyruvate kinase
3. Pyruvate dehydrogenase
4. Pyruvate synthetase
Subtopic: Fermentation |
70%
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During fermentation Yeasts poison themselves to death when the concentration of alcohol reaches about:
1. 5 percent
2. 13 per cent
3. 22 per cent
4. 44 per cent
1. 5 percent
2. 13 per cent
3. 22 per cent
4. 44 per cent
Subtopic: Fermentation |
96%
From NCERT
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In aerobic respiration, passing on of the electrons removed as part of the hydrogen atoms to molecular O2 with simultaneous synthesis of ATP, is associated with:
1. Outer mitochondrial membrane
2. Inner mitochondrial membrane
3. Mitochondrial matrix
4. Cytosol
1. Outer mitochondrial membrane
2. Inner mitochondrial membrane
3. Mitochondrial matrix
4. Cytosol
Subtopic: Aerobic Respiration |
84%
From NCERT
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