Q. No.According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?
1. 2
2. 30
3. 36
4. 38
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What is the number of ATP molecules produced when pyruvate is converted to lactate by fermentation?
| 1. 0 | 2. 2 |
| 3. 4 | 4. 38 |
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If fatty acids were to enter the respiratory pathway, they must be converted to a molecule with:
| 1. | Two carbons | 2. | Three carbons |
| 3. | Five carbons | 4. | Six carbons |
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The respiratory pathway is best described as:
| 1. | Catabolic | 2. | Anabolic |
| 3. | Amphibolic | 4. | Amphipathic |
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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
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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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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 |
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A reducing agent in a redox reaction:
1. gains electrons and gains energy.
2. loses electrons and loses energy.
3. gains electrons and loses energy.
4. loses electrons and gains energy.
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