Q. No.The correct descending order of the RQ value, when carbohydrates, proteins and fats are used as respiratory substrate would be:
1. Protein ˃ Fats ˃ Carbohydrates
2. Protein ˃ Carbohydrates ˃ Fats
3. Carbohydrates ˃ Protein ˃ Fats
4. Fats ˃ Carbohydrates ˃ Protein
1. Protein ˃ Fats ˃ Carbohydrates
2. Protein ˃ Carbohydrates ˃ Fats
3. Carbohydrates ˃ Protein ˃ Fats
4. Fats ˃ Carbohydrates ˃ Protein
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Phosphorylation of glucose during glycolysis is catalysed by
| 1. Phosphoglucomutase | 2. Phosphoglucoisomerase |
| 3. Hexokinase | 4. Phosphorylase |
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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 CoA + CO2 | 4. | Ethanol + CO2 |
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Which of the following exhibits the highest rate of respiration?
| 1. Growing shoot apex | 2. Germinating seed |
| 3. Root tip | 4. Leaf bud |
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The stage of cellular respiration that directly involves oxygen is:
| 1. | glycolysis |
| 2. | at the end of ETC |
| 3. | Krebs cycle |
| 4. | the phosphorylation of ADP to form ATP |
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What process in aerobic respiration generates maximum ATP?
| 1. | substrate-level phosphorylation | 2. | chemiosmosis |
| 3. | Krebs cycle | 4. | Pyruvate decarboxylation |
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