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Q. No.
Assertion(A): The respiratory process has traditionally been considered a catabolic process.
Reason(R): Respiration involves the breakdown of substrates.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic: THE RESPIRATORY BALANCE SHEET |
80%
From NCERT
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In aerobic oxidative phosphorylation, the final electron acceptor of the electron transport chain is:
1. NAD+
2. oxygen
3. pyruvate
4. water
1. NAD+
2. oxygen
3. pyruvate
4. water
Subtopic: ETS |
86%
From NCERT
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What is the number of ATP molecules produced by substrate-level phosphorylation from the complete breakdown of a single molecule of glucose in the presence of oxygen?
1. 2
2. 3
3. 4
4. 6
1. 2
2. 3
3. 4
4. 6
Subtopic: Aerobic Respiration | Kreb's Cycle |
From NCERT
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During glycolysis, an ATP molecule is synthesised during the conversion of:
I: BPGA to 3-phosphoglyceric acid (PGA)
II: PEP to pyruvic acid
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I: BPGA to 3-phosphoglyceric acid (PGA)
II: PEP to pyruvic acid
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Glycolysis |
80%
From NCERT
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Consider the two statements:
| Assertion (A): | It is better to consider the respiratory pathway as an amphibolic pathway rather than as a catabolic one. |
| Reason (R): | The respiratory pathway is involved in both anabolism and catabolism. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Aerobic Respiration | Amphibolic Nature of Respiration |
91%
From NCERT
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Glycerol enters the respiratory pathway after being converted to:
1. PGAL
2. PEP
3. 1, 3 – BPG
4. 2 – PG
Subtopic: Amphibolic Nature of Respiration |
83%
From NCERT
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Consider the given two statements:
| Statement I: | In aerobic cellular respiration, the complete oxidation of pyruvate takes place in the cytoplasm. |
| Statement II: | The apparatus for passing electrons to molecular oxygen with simultaneous synthesis of ATP is located in the inter-membrane space |
| 1. | Statement I is incorrect; Statement II is incorrect |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is correct; Statement II is correct |
Subtopic: Glycolysis | Aerobic Respiration |
From NCERT
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NADH + H+ is reoxidised to NAD+ in:
I: Ethanol fermentation
II: Lactate fermentation
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I: Ethanol fermentation
II: Lactate fermentation
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Fermentation |
87%
From NCERT
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Consider the given two statements:
| Assertion (A): | Carbon dioxide is not produced in glycolysis. |
| Reason (R): | Glycolysis is a metabolic pathway that does not require oxygen. |
| 1. | (A) is True but (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains (A) |
| 3. | Both (A) and (R) are True and but (R) does not correctly explain (R) |
| 4. | (A) is False but (R) is True |
Subtopic: Glycolysis |
61%
From NCERT
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The glycolytic pathway has an investment of 2 ATP molecules. At which of the following steps is the debt paid off?
| 1. | Conversion of Glucose into Glucose-6-phospahte |
| 2. | Conversion of Fructose-6-phosphate into Fructose 1,6-biphospahte |
| 3. | Conversion of 1,3 biphoshoglyceric acid into 3-phosphoglyceric acid |
| 4. | Conversion of Phosphoenol pyruvate into Pyruvic acid |
Subtopic: Glycolysis |
57%
From NCERT
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