- 1(current)
Q. No.| A. | Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation. |
| B. | The entire cellular respiration takes place in mitochondria. |
| C. | Fermentation takes place under anaerobic conditions in germinating seeds. |
| D. | The fate of pyruvate formed during glycolysis depends on the type of organism also. |
| E. | Water is formed during respiration as a result of \(O_2\) accepting electrons and getting reduced. |
1. A, C, D, E only
2. A, B, E only
3. A, B, C, E only
4. B, C, D, E only
| List I | List II | ||
| A. | Oxidative decarboxylation | I. | Citrate synthase |
| B. | Glycolysis | II. | Pyruvate dehydrogenase |
| C. | Oxidative phosphorylation | III. | Electron transport system |
| D. | Tricarboxylic acid cycle | IV. | EMP pathway |
| Options: | A | B | C | D |
| 1. | II | IV | III | I |
| 2. | III | IV | II | I |
| 3. | II | IV | I | III |
| 4. | III | I | II | IV |
Pyruvic acid, the key product of glycolysis, can have many metabolic fates. Under aerobic condition, it forms
1. lactic acid
2. CO2 + H2O
3. acetyl Co-A+ CO2
4. ethanol + CO2
| 1. | It functions as an enzyme |
| 2. | It functions as an electron carrier |
| 3. | It is a nucleotide source for ATP synthesis |
| 4. | It is the final electron acceptor for anaerobic respiration |
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 |
Which of the following yield maximum energy?
1. By glycolysis in a sprinter
2. Aerobic respiration in germinating seeds
3. Fermentation by yeast
4. Anaerobic respiration
How many ATP molecules are produced by the Aerobic oxidation of one molecule of glucose:
1. 2
2. 4
3. 38
4. 34
Mark the incorrect match
Aerobic Anaerobic
1. Complete breakdown - Partial breakdown.
of glucose
2. Net gain 38 ATP - Net gain 2 ATP.
3. Vigrously - NADH oxidised slowly
4. CO2 released - No CO2 released.
- 1(current)
Q. No.
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