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Q. No.What is incorrect about CF0 part of ATP synthase?
1.
It is embedded in the thylakoid membrane
2.
It forms a transmembrane channel
3.
It carries out facilitated diffusion of protons
4.
It protrudes on the outer surface of the thylakoid membrane on the side that faces the stroma
Subtopic: Oxidative Phosphorylation |
77%
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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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 |
73%
Level 2: 60%+
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During glycolysis in plant cells, the enzyme hexokinase catalyzes the phosphorylation of:
| I: | Glucose |
| II: | Fructose |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Glycolysis |
51%
Level 3: 35%-60%
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The number of carbon atoms in all the following molecules is 4 except in:
| 1. | α ketoglutaric acid | 2. | Oxaloacetic acid |
| 3. | Succinic acid | 4. | Malic acid |
Subtopic: Kreb's Cycle |
84%
Level 1: 80%+
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An energy yielding step in glycolysis is:
| 1. | phosphorylation of glucose |
| 2. | splitting of fructose 1,6-biphosphate |
| 3. | phosphorylation of fructose-6-phosphate |
| 4. | conversion of BPGA to 3-phosphoglyceric acid |
Subtopic: Glycolysis |
86%
Level 1: 80%+
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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
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 |
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 |
90%
Level 1: 80%+
NEET - 2022
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