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Q. No.Glycolysis is :
1. Oxidation of glucose to glutamate
2. Conversion of pyruvate to citrate
3. Oxidation of glucose to pyruvate
4. Conversion of glucose to haem
Subtopic: Glycolysis |
97%
Level 1: 80%+
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In which one of the following do the two names refer to one and the same thing : -
1. Krebs cycle and Calvin cycle
2. Tricarboxylic acid cycle and citric acid cycle
3. Citric acid cycle and Calvin cycle
4. Tricarboxylic acid cycle and urea cycle
Subtopic: Kreb's Cycle |
96%
Level 1: 80%+
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Given below are two statements:
| Assertion (A): | The respiratory pathway is an amphibolic pathway. |
| 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. | (A) is False but (R) is True. |
Subtopic: Amphibolic Nature of Respiration |
93%
Level 1: 80%+
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How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?
| 1. | 2 | 2. | 4 |
| 3. | 38 | 4. | 34 |
Subtopic: Aerobic Respiration |
91%
Level 1: 80%+
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Subtopic: Respiratory Quotient |
90%
Level 1: 80%+
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Which of the following yield maximum energy :
1. Glycolysis in a sprinter
2. Aerobic respiration in germinating seeds
3. Fermentation by yeast
4. Anaerobic respiration
Subtopic: THE RESPIRATORY BALANCE SHEET |
90%
Level 1: 80%+
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Which of these statements is incorrect?
| 1. | Enzymes of TCA cycle are present in mitochondrial matrix. |
| 2. | Glycolysis occurs in cytosol. |
| 3. | Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms. |
| 4. | Oxidative phosphorylation takes place in outer mitochondrial membrane. |
Subtopic: Glycolysis | ETS | The Respiratory Balance Sheet |
85%
Level 1: 80%+
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In the tricarboxylic acid cycle, what are the respective numbers for – decarboxylation steps, substrate level phosphorylation and points at which FADH2 is produced [calculate for oxidation of one molecule of pyruvic acid]?
| 1. | 3, 2 and 1 | 2. | 2, 1 and 1 |
| 3. | 3, 1 and 2 | 4. | 2, 2 and 2 |
Subtopic: Kreb's Cycle |
72%
Level 2: 60%+
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The ratio of the volume of CO2 evolved to the volume of O2 consumed in respiration is called as the respiratory quotient [RQ]. Calculate RQ when albumin is used as a respiratory substrate[see the given equation]:
C77H112N2O22S + 77O2 → 63 CO2 + 38 H2O + SO2 + 9 CO(NH2)2
C77H112N2O22S + 77O2 → 63 CO2 + 38 H2O + SO2 + 9 CO(NH2)2
| 1. | 0.70 | 2. | 0.82 |
| 3. | 0.90 | 4. | 1.00 |
Subtopic: Respiratory Quotient |
70%
Level 2: 60%+
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The respiratory quotient:
| I: | is the ratio of the volume of carbon dioxide evolved to the volume of oxygen evolved |
| II: | is 1, if carbohydrates are used as respiratory substrates and are completely oxidized |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Respiratory Quotient |
Level 3: 35%-60%
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