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Q. No.In the mitochondrial electron transport system, ubiquinone receives reducing equivalents via:
1. Both Complex I and Complex II
2. Complex III
3. Complex IV
4. Complex V
Subtopic: ETS |
85%
Level 1: 80%+
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The number of carbon atoms are 3 in all of the following molecules except:
1. Dihydroxyacetone phosphate
2. Glyceraldehyde 3-phosphate
3. Acetyl CoA
4. Pyruvic acid
1. Dihydroxyacetone phosphate
2. Glyceraldehyde 3-phosphate
3. Acetyl CoA
4. Pyruvic acid
Subtopic: Glycolysis | Kreb's Cycle |
81%
Level 1: 80%+
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Fermentation is not a waste but it serves an important purpose which is:
1. Regeneration of NAD +
2. Formation of large number of ATP
3. Evolution of oxygen
4. Complete oxidation of pyruvic acid
1. Regeneration of NAD +
2. Formation of large number of ATP
3. Evolution of oxygen
4. Complete oxidation of pyruvic acid
Subtopic: Fermentation |
85%
Level 1: 80%+
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What amount of energy is released from glucose during lactic acid fermentation?
| 1. | Less than 7% | 2. | Approximately 15% |
| 3. | More than 18% | 4. | About 10% |
Subtopic: Fermentation |
89%
Level 1: 80%+
NEET - 2022
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What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
| 1. | Eight | 2. | Four |
| 3. | Six | 4. | Two |
Subtopic: Glycolysis |
69%
Level 2: 60%+
NEET - 2022
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Match List-I with List-II
| List-I | List-II | ||
| (a) | ETS complex-I | (i) | Cyt bc1 |
| (b) | ETS complex-II | (ii) | Cyt a,a3 and 2 copper centres |
| (c) | ETS complex-III | (iii) | NADH dehydrogenase |
| (d) | ETS complex-IV | (iv) | Ubiquinone and FADH2 dehydrogenase |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iii) | (iv) | (i) | (ii) |
Subtopic: ETS |
85%
Level 1: 80%+
NEET - 2022
Hints
Identify the cytochrome which acts as a mobile carrier for the transfer of electrons between complex III and IV?
| 1. | Cytochrome a | 2. | Cytochrome a3 |
| 3. | Cytochrome b c1 | 4. | Cytochrome c |
Subtopic: ETS |
79%
Level 2: 60%+
NEET - 2022
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Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed by the reactions of glycolysis?
1. 0%
2. 2%
3. 10%
4. 100%
1. 0%
2. 2%
3. 10%
4. 100%
Subtopic: Glycolysis | Glycolysis Regulation |
75%
Level 2: 60%+
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| Assertion(A): | In aerobic respiration presence of O2 is necessary. |
| Reason(R): | O2 in aerobic respiration plays only one role i.e. terminal acceptor of the electron. |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is a true statement but (R) is false. |
| 4. | Both (A) and (R) are false statements. |
Subtopic: Aerobic Respiration | ETS:2 | ETS:1 |
72%
Level 2: 60%+
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The oxygen consumed during cellular respiration is involved directly in which process or event?
1. glycolysis
2. accepting electrons at the end of the electron transport chain
3. the citric acid cycle
4. the oxidation of pyruvate to acetyl CoA
1. glycolysis
2. accepting electrons at the end of the electron transport chain
3. the citric acid cycle
4. the oxidation of pyruvate to acetyl CoA
Subtopic: ETS:1 |
88%
Level 1: 80%+
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