Q. No.In the figure given below the correct match is:
1. A-Ethanol, B-Lactic acid, C-Dihydroxyacetone phosphate
2. A-Lactic acid, B-Ethanol, C-Oxaloacetic acid
3. A-Lactic acid, B-Ethanol, C-3-Phosphoglyceric acid
4. A-Ethanol, B-Lactic acid, C-3-phosphoglyceric acid
Consider the statements a, b, c and d with respect to fermentation by yeast and select the correct choice
a. Production of and ethanol
b. Complete oxidation of glucose
c. The reducing agent is NADH +
d. It is achieved under anaerobic condition
1. a & b are incorrect
2. b is incorrect
3. a & c is incorrect
4. all are incorrect
Consider the following statements about fermentation
a. Yeast produces and ethanol by incomplete oxidation of glucose.
b. Some bacteria produce lactic acid from pyruvic acid.
c. In both lactic acid and alcohol fermentation, a lot of energy is released.
d. H2O is not released.
The correct statements are
1. Only a & d
2. a, b & d
3. b & d
4. a, c & d
Match the following and select the correct option from these given below:
| Column I | Column II | ||
| (a) | NADH dehydrogenase | (i) | Complex - V |
| (b) | Cytochrome complex | (ii) | Complex - lll |
| (c) | ATP synthetase | (iii) | Complex - lV |
| (d) | Cytochrome c oxidase | (iv) | Complex - l |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (ii) | (i) | (iii) |
| 2. | (iv) | (ii) | (iii) | (i) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (iv) | (iii) | (ii) | (i) |
| Assertion (A): | Yeast in involved in alcoholic fermentation. |
| Reason (R): | Yeast poison themselves to death when concentration of alcohol reaches about 13%. |
| 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 |
How many statements are correct with respect to ETS?
1. ETS is helpful in the restoration of NAD
2. is terminal e acceptor in electron transport system
3. Ubiquinone & FMN are hydrogen carriers and helpful in the movement of H from matrix to space.
4. Complex lV is also known as cytochrome C oxidase.
5. Movement of e in ETS is due to variable valency of metal ions present in carrier complexes.
1. 3
2. 4
3. 5
4. 2
Match the following columns.
|
Column I |
Column II |
|
A. Molecular oxygen B. Electron acceptor C. Pyruvate dehydrogenase D. Decarboxylation |
1. - ketoglutaric acid 2. Hydrogen acceptor 3. Cytochrome-c 4. Acetyl Co - A |
Codes
| Options: | A | B | C | D |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 4 | 2 | 1 |
| 3. | 2 | 1 | 3 | 4 |
| 4. | 4 | 3 | 1 | 2 |
| 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. |
| Assertion (A): | The respiratory pathway is an amphibolic pathway. |
| Reason (R): | The respiratory pathway is involved in both anabolism and catabolism. |
| 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. | (A) is False but (R) is True. |
| A: | In aerobic respiration presence of O2 is necessary. |
| R: | O2 in aerobic respiration plays only one role i.e. terminal acceptor of the electron. |
| 1. | If both Assertion & Reason are true and the reason is the correct explanation of the assertion. |
| 2. | If both Assertion & Reason are true but the reason is not the correct explanation of the assertion. |
| 3. | If Assertion is a true statement but the Reason is false. |
| 4. | If both Assertion and Reason are false statements. |
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