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Q. No.
Given below are two statements:
Assertion (A):
Cytochrome c is a small protein attached to the inner surface of the inner membrane of mitochondria.
Reason (R):
Electrons from NADH produced in the mitochondrial matrix during the citric acid cycle
are oxidized by cytochrome c oxidase.
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.
Both (A) and (R) are false.
are oxidized by cytochrome c oxidase.
Subtopic: ETS |
68%
From NCERT
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How many NADH molecules will be synthesized during glycolysis, if 25 molecules of sucrose are utilized?
1. 50
2. 100
3. 25
4. 200
1. 50
2. 100
3. 25
4. 200
Subtopic: Glycolysis |
55%
From NCERT
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How many ATP molecules are utilized to form 10 molecules of fructose-6-phosphate in glycolysis? (Glucose is considered to be the respiratory substrate.)
1. 10
2. 5
3. 20
4. 50
1. 10
2. 5
3. 20
4. 50
Subtopic: Glycolysis |
From NCERT
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During fermentation, how much energy present in glucose is released?
1. Less than 7%
2. 15-18%
3. 10%
4. 74%
1. Less than 7%
2. 15-18%
3. 10%
4. 74%
Subtopic: Fermentation |
94%
From NCERT
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At which of the following alcohol concentrations do yeasts poison themselves to death during fermentation?
1. 5-7% of ethanol
2. 2-5% of methanol
3. Over 15% of methanol
4. About 13% of ethanol
1. 5-7% of ethanol
2. 2-5% of methanol
3. Over 15% of methanol
4. About 13% of ethanol
Subtopic: Fermentation |
88%
From NCERT
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How many times oxidative decarboxylation takes place during the complete oxidation of one molecule of pyruvate in aerobic respiration?
1. 1
2. 2
3. 3
4. 4
1. 1
2. 2
3. 3
4. 4
Subtopic: Kreb's Cycle |
From NCERT
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How many ATPs are produced by substrate-level phosphorylation in aerobic and anaerobic respiration, respectively, if one molecule of glucose is used?
1. 6, 4
2. 4, 6
3. 4, 4
4. 6, 6
1. 6, 4
2. 4, 6
3. 4, 4
4. 6, 6
Subtopic: Glycolysis | Aerobic Respiration |
63%
From NCERT
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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
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 |
77%
From NCERT
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