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Q. No.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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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 |
95%
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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Cytochrome c in the mitochondrial ETS is located:
| 1. | within the inner mitochondrial membrane |
| 2. | on the outer surface of the inner mitochondrial membrane |
| 3. | on the inner surface of the inner mitochondrial membrane |
| 4. | in the mitochondrial matrix |
Subtopic: ETS |
80%
From NCERT
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Oxidation of one molecule of NADH gives rise to ____ molecules of ATP, while that of one molecule of FADH2 produces _____ molecules of ATP.
| 1. | 3 and 2 respectively | 2. | 2 and 3 respectively |
| 3. | 1 and 2 respectively | 4. | 2 and 1 respectively |
Subtopic: ETS |
94%
From NCERT
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Consider the given two statements:
| Assertion (A): | It is possible to make calculations of the net gain of ATP for every glucose molecule oxidised; but in reality this can remain only a theoretical exercise. |
| Reason (R): | These calculations can be made only on certain assumptions that are not really valid in a living system. |
| 1. | Both (A) and (R) are True and (R) correctly explains the (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of the (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: Aerobic Respiration | THE RESPIRATORY BALANCE SHEET |
88%
From NCERT
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There can be a net gain of ____ ATP molecules during aerobic respiration of one molecule of glucose
[as per NCERT textbook]:
1. 30
2. 36
3. 38
4. 40
[as per NCERT textbook]:
1. 30
2. 36
3. 38
4. 40
Subtopic: THE RESPIRATORY BALANCE SHEET |
86%
From NCERT
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Consider the given two statements:
| Assertion (A): | It is better to consider the respiratory pathway as an amphibolic pathway rather than only as a catabolic one. |
| Reason (R): | Breaking down processes within the living organism is catabolism, and synthesis is anabolism. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explains (A) |
| 3. | (A) is True but (R) is False |
| 4. | (A) is False but (R) is True |
Subtopic: THE RESPIRATORY BALANCE SHEET |
58%
From NCERT
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In glycolysis:
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: | ATP is utilised at two steps: first in the conversion of glucose into glucose 6-phosphate and second in the conversion of fructose 6-phosphate to fructose 1, 6-bisphosphate. |
| II: | ATP is produced at two steps: first in the conversion of BPGA to 3-phosphoglyceric acid (PGA), and second during the conversion of PEP to pyruvic acid. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Glycolysis | Glycolysis Regulation |
91%
From NCERT
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Enzyme that catalyses the decarboxylation of pyruvic acid to acetaldehyde is:
1. Pyruvate dehydrogenase
2. Pyruvate kinase
3. Pyruvate decarboxylase
4. Pyruvate translocase
1. Pyruvate dehydrogenase
2. Pyruvate kinase
3. Pyruvate decarboxylase
4. Pyruvate translocase
Subtopic: Kreb's Cycle |
62%
From NCERT
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