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Q. No.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
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%
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The end product of glycolysis
1. Enters mitochondrial matrix and undergoes oxidative decarboxylation
2. Is a 2C compound
3. Forms 3C acetyl CoA
4. Enters directly in Kreb's cycle
1. Enters mitochondrial matrix and undergoes oxidative decarboxylation
2. Is a 2C compound
3. Forms 3C acetyl CoA
4. Enters directly in Kreb's cycle
Subtopic: Aerobic Respiration |
74%
From NCERT
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Subtopic: Respiratory Quotient |
87%
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Subtopic: Glycolysis |
90%
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