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Q. No.Match the following and choose the correct option from those given below.
| Column A | Column B | ||
| A. | Molecular oxygen | i. | \(\alpha\)-Ketoglutaric acid |
| B. | Electron acceptor | ii. | Hydrogen acceptor |
| C. | Pyruvate dehydrogenase | iii. | Cytochrome C |
| D. | Decarboxylation | iv. | Acetyl CoA |
Options :
| A | B | C | D | |
| 1. | ii | iii | iv | i |
| 2. | iii | iv | ii | i |
| 3. | ii | i | iii | iv |
| 4. | iv | iii | i | ii |
Subtopic: Introduction | Fermentation | Aerobic Respiration |
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| Assertion (A): | Plant cells utilize a strategy during respiration that involves catabolizing glucose in multiple small steps. |
| Reason (R): | Unlike animal cells plant cells do not have metabolic machinery to catabolize glucose. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Introduction |
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Which of these statements is incorrect?
| 1. | Enzymes of TCA cycle are present in mitochondrial matrix. |
| 2. | Glycolysis occurs in cytosol. |
| 3. | Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms. |
| 4. | Oxidative phosphorylation takes place in outer mitochondrial membrane. |
Subtopic: Glycolysis | ETS | The Respiratory Balance Sheet |
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During glycolysis, a molecule of ATP is produced:
| I: | first in the conversion of glucose into glucose 6-phosphate |
| II: | second in the conversion of fructose 6-phosphate to fructose 1, 6-bisphosphate |
| 1. | Only I | 2. | Only II |
| 3. | Neither I nor II | 4. | Both I and II |
Subtopic: Glycolysis |
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Glycolysis results in the production of:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | pyruvate |
| II: | ATP |
| III: | NADH |
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Glycolysis |
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The enzyme lactate dehydrogenase catalyses:
| 1. | the oxidation of pyruvate to lactate to regenerate NAD+. |
| 2. | the reduction of pyruvate to lactate to regenerate NAD+. |
| 3. | the reduction of pyruvate to lactate to regenerate NADH. |
| 4. | the oxidation of pyruvate to lactate to regenerate NADH. |
Subtopic: Fermentation |
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Consider the given two statements:
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: | Yeast fermentation produces ethanol and carbon dioxide. |
| II: | Yeast fermentation regenerates NADH. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Fermentation |
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements choose the correct answer from the options given below:
| Assertion (A): | The maximum concentration of alcohol in beverages that are naturally fermented with yeast is about 13%. |
| Reason (R): | In alcohol fermentation, yeast converts pyruvic acid to ethanol and carbon dioxide. |
| 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. |
Subtopic: Fermentation |
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During aerobic cellular respiration:
1. Only I is correct
2. Only II is correct
3. Neither I nor II are correct
4. Both I and II are correct
| I: | The complete oxidation of pyruvate by the stepwise removal of all the hydrogen atoms, leaving three molecules of CO2, takes place in mitochondrial matrix. |
| II: | The passing on of the electrons, removed as part of the hydrogen atoms, to molecular O2 with simultaneous synthesis of ATP occurs in cytosol. |
2. Only II is correct
3. Neither I nor II are correct
4. Both I and II are correct
Subtopic: Aerobic Respiration |
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In aerobic respiration, passing on of the electrons removed as part of the hydrogen atoms to molecular O2 with simultaneous synthesis of ATP, is associated with:
1. Outer mitochondrial membrane
2. Inner mitochondrial membrane
3. Mitochondrial matrix
4. Cytosol
1. Outer mitochondrial membrane
2. Inner mitochondrial membrane
3. Mitochondrial matrix
4. Cytosol
Subtopic: Aerobic Respiration |
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