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Q. No.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
Subtopic: Aerobic Respiration | Kreb's Cycle |
Level 3: 35%-60%
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During glycolysis, an ATP molecule is synthesised during the conversion of:
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 |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Glycolysis |
81%
Level 1: 80%+
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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%
Level 1: 80%+
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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%
Level 1: 80%+
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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 |
Level 3: 35%-60%
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NADH + H+ is reoxidised to NAD+ in:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Ethanol fermentation |
| II: | Lactate fermentation |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Fermentation |
88%
Level 1: 80%+
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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 |
63%
Level 2: 60%+
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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 |
59%
Level 3: 35%-60%
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Consider the two given statements:
| Assertion (A): | In aerobic cellular respiration the presence of oxygen is vital. |
| Reason (R): | Oxygen acts as the final hydrogen acceptor. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | (A) is True but (R) is False |
| 3. | (A) is False but (R) is True |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A) |
Subtopic: ETS |
79%
Level 2: 60%+
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Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements, choose the correct answer from the options given below :
| Assertion (A): | ATP is used at two steps in glycolysis . |
| Reason (R): | First ATP is used in converting glucose into glocose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphosphate. |
In the light of the above statements, choose the correct answer from the options given below :
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Glycolysis |
82%
Level 1: 80%+
NEET - 2023
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
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