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Q. No.How many 5C compounds are formed during Kreb's cycle, if three pyruvate molecules enter into mitochondria?
1. 5
2. 10
3. 6
4. 3
Subtopic: Kreb's Cycle |
74%
From NCERT
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If the inner mitochondrial membrane is denatured by a poison, which of the following processes will not be affected?
1. Lactic acid fermentation
2. Electron transport system
3. Kreb's cycle
4. Oxidative decarboxylation of pyruvate
1. Lactic acid fermentation
2. Electron transport system
3. Kreb's cycle
4. Oxidative decarboxylation of pyruvate
Subtopic: ETS |
62%
From NCERT
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In case of severe copper deficiency in plants, which of the following complexes of ETS will not be formed?
1. Complex I
2. Complex II
3. Complex III
4. Complex IV
1. Complex I
2. Complex II
3. Complex III
4. Complex IV
Subtopic: ETS |
76%
From NCERT
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The proton gradient across the mitochondrial membrane is a result of
1. Energy of oxidation-reduction
2. Chemiosmosis
3. Flow of H+ via F0 particle
4. Production of GTP in the mitochondrial matrix
1. Energy of oxidation-reduction
2. Chemiosmosis
3. Flow of H+ via F0 particle
4. Production of GTP in the mitochondrial matrix
Subtopic: Oxidative Phosphorylation |
From NCERT
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If hemoglobin and palmitic acid are catabolized for aerobic respiration they can enter the respiratory pathway at which of the following stages?
1. Glycolysis
2. Krebs cycle
3. Oxidative phosphorylation
4. ETS
1. Glycolysis
2. Krebs cycle
3. Oxidative phosphorylation
4. ETS
Subtopic: Amphibolic Nature of Respiration |
64%
From NCERT
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In which of the following cases, RQ will be infinite?
| 1. | Protein undergoing aerobic respiration |
| 2. | Carbohydrates undergoing anaerobic respiration |
| 3. | Fats undergoing cellular respiration through oxidation decarboxylation |
| 4. | Organic acids undergoing cellular respiration by complete oxidation |
Subtopic: Respiratory Quotient |
61%
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Which of the following is a mobile electron carrier between complex III and IV in the ETS of mitochondria?
1. Ubiquinone
2. Cytochrome c
3. Cytochrome a
4. Cytochrome a3
1. Ubiquinone
2. Cytochrome c
3. Cytochrome a
4. Cytochrome a3
Subtopic: ETS |
83%
From NCERT
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Mark the incorrect statement about aerobic respiration.
| 1. | Most common in higher organisms |
| 2. | It involves the complete oxidation of organic substances |
| 3. | Does not take place in prokaryotes |
| 4. | Glycolysis is the first step of aerobic respiration and it does not involve the release of CO2. |
Subtopic: Introduction |
54%
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Select the incorrect option about pyruvate dehydrogenase enzyme
1. Requires Mg+2 as a cofactor
2. Requires NAD+ as a coenzyme
3. Converts pyruvic acid to acetyl CoA
4. Converts pyruvic acid to acetaldehyde
1. Requires Mg+2 as a cofactor
2. Requires NAD+ as a coenzyme
3. Converts pyruvic acid to acetyl CoA
4. Converts pyruvic acid to acetaldehyde
Subtopic: Aerobic Respiration |
76%
From NCERT
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Subtopic: ETS |
78%
From NCERT
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