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Q. No.That glycolysis is an ancient metabolic process is evidenced in the fact that:
1. it yields large number of ATP molecules
2. it does not directly use oxygen
3. it occurs virtually in all cells
4. it takes place in the cytoplasm
Subtopic: Glycolysis |
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During the conversion of pyruvic acid to acetyl CoA in mitochondrial matrix:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | pyruvic acid is reduced. |
| II: | NAD+ is oxidized. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Kreb's Cycle |
56%
From NCERT
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In mitochondrial electron transport chain:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | Complex I is NADH dehydrogenase |
| II: | Complex II is succinate dehydrogenase |
| III: | Complex III is cytochrome b6f complex. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: ETS |
53%
From NCERT
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In lactic acid and alcohol fermentation:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | less than 7 percent of energy in glucose is released. |
| II: | all energy released is trapped as high energy bonds of ATP. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Fermentation |
57%
From NCERT
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Consider the given two statements:
| Assertion (A): | Fermentation is a type of anaerobic respiration where glucose is partially oxidized to produce energy. |
| Reason (R): | Fermentation results in the production of ethanol or lactic acid without the use of oxygen. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True, (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Fermentation |
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is correct; Statement II is correct
| Statement I: | Both photosynthesis and aerobic cellular respiration occur in plant cells but only aerobic cellular respiration occurs in animal cells. |
| Statement II: | Both photosynthesis and aerobic cellular respiration occur during the daylight hours, but only aerobic cellular respiration occurs at night. |
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is correct; Statement II is correct
Subtopic: Introduction |
From NCERT
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In ETS in mitochondria, oxygen acts as a:
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
| A. | Final acceptor of electrons |
| B. | Final acceptor of protons |
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic: ETS |
51%
From NCERT
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Alcohol fermentation by yeast produces:
1. \(\text{CO}_2\) and ethanol
2. Lactic acid and ATP
3. Ethanol, \(\text{CO}_2\), and NAD+
4. Pyruvate and NADH
1. \(\text{CO}_2\) and ethanol
2. Lactic acid and ATP
3. Ethanol, \(\text{CO}_2\), and NAD+
4. Pyruvate and NADH
Subtopic: Fermentation |
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The number of correct statement(s) from the given statements regarding possible respiratory substrates is/are:
1. 1
2. 2
3. 3
4. 4
| I: | Glucose is the favoured substrate for respiration. |
| II: | All carbohydrates are usually first converted into glucose before they are used for respiration. |
| III: | Glycerol would enter the pathway after being converted to Acetyl CoA. |
| IV: | Proteins and amino acids cannot be used as respiratory substrates. |
2. 2
3. 3
4. 4
Subtopic: Amphibolic Nature of Respiration |
54%
From NCERT
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In a eukaryotic plant cell, within a mitochondrion, the proton gradient develops across the:
1. Inter-membrane space
2. Inner membrane
3. Outer membrane
4. Matrix
1. Inter-membrane space
2. Inner membrane
3. Outer membrane
4. Matrix
Subtopic: ETS:2 | ETS:1 | ETS |
From NCERT
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