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. |
1. | 0.70 | 2. | 0.82 |
3. | 0.90 | 4. | 1.00 |
1. | 3, 2 and 1 | 2. | 2, 1 and 1 |
3. | 3, 1 and 2 | 4. | 2, 2 and 2 |
I: | is the ratio of the volume of carbon dioxide evolved to the volume of oxygen evolved |
II: | is 1, if carbohydrates are used as respiratory substrates and are completely oxidized |
1. | Only I is correct |
2. | Only II is correct |
3. | Both I and II are correct |
4. | Both I and II are incorrect |
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. |
Glycolysis is :
1. Oxidation of glucose to glutamate
2. Conversion of pyruvate to citrate
3. Oxidation of glucose to pyruvate
4. Conversion of glucose to haem
In which one of the following do the two names refer to one and the same thing : -
1. Krebs cycle and Calvin cycle
2. Tricarboxylic acid cycle and citric acid cycle
3. Citric acid cycle and Calvin cycle
4. Tricarboxylic acid cycle and urea cycle
How many ATP molecules are produced by aerobic oxidation of one molecule of glucose?
1. | 2 | 2. | 4 |
3. | 38 | 4. | 34 |
Which of the following yield maximum energy :
1. Glycolysis in a sprinter
2. Aerobic respiration in germinating seeds
3. Fermentation by yeast
4. Anaerobic respiration