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

Subtopic:  Aerobic Respiration | Respiratory Quotient | ETS:2 | ETS:1 | ETS |
 65%
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The respiratory pathway is best described as:

1. Catabolic 2. Anabolic
3. Amphibolic 4. Amphipathic
Subtopic:  Aerobic Respiration |
 92%
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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

Subtopic:  Respiratory Quotient |
 84%
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Phosphorylation of glucose during glycolysis is catalysed by

1. Phosphoglucomutase 2. Phosphoglucoisomerase
3. Hexokinase 4. Phosphorylase
Subtopic:  Glycolysis |
 87%
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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
Subtopic:  Aerobic Respiration |
 59%
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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
Subtopic:  Introduction | Aerobic Respiration |
 72%
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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
Subtopic:  Introduction | Fermentation | Aerobic Respiration |
 86%
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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.

Subtopic:  Glycolysis |

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What is the end product of glycolysis?

1. NADH 2. ATP
3. G3P 4. Pyruvate
Subtopic:  Glycolysis |
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The outputs of the Krebs cycle do not include:

1. NADP 2. FADH2
3. ATP 4. CO2
Subtopic:  Kreb's Cycle |
 58%
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