Q. No.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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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. | (A) is False, (R) is True. |
Subtopic: Fermentation |
From NCERT
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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 % |
Subtopic: Fermentation |
76%
From NCERT
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What is the number of ATP molecules produced when pyruvate is converted to lactate by fermentation?
| 1. 0 | 2. 2 |
| 3. 4 | 4. 38 |
Subtopic: Fermentation |
From NCERT
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Consider the given statements:
| Statement I: | In alcohol fermentation in yeast, pyruvic acid decarboxylase and alcohol dehydrogenase convert pyruvic acid to carbon dioxide and ethanol. |
| Statement II: | In lactic acid fermentation, lactate dehydrogenase reduces pyruvic acid to lactic acid and carbon dioxide in muscle cells during exercise. |
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Fermentation |
55%
From NCERT
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Subtopic: Fermentation | Aerobic Respiration |
87%
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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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 |
69%
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Subtopic: Fermentation |
78%
From NCERT
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The number of oxygen molecules required in the fermentation of one molecule of glucose to ethanol and carbon dioxide is/are:
1. 0
2. 1
3. 2
4. 6
1. 0
2. 1
3. 2
4. 6
Subtopic: Fermentation |
91%
From NCERT
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