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Q. No.Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate?
1. Succinic acid \(\rightarrow\) Malic acid
2. Succinyl-CoA \(\rightarrow\) Succinic acid
3. Isocitrate \(\rightarrow\) \(\alpha\) - ketoglutaric acid
4. Malic acid \(\rightarrow\) Oxaloacetic acid
Subtopic: Kreb's Cycle |
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NEET - 2024
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In plants, sucrose is converted into two molecules of monosaccharides due to action of invertase and then both enter the glycolytic pathway. Identify the monosaccharides.
| 1. | Glucose and glucose | 2. | Glucose and fructose |
| 3. | Glucose and galactose | 4. | Fructose and galactose |
Subtopic: Glycolysis |
91%
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NEET - 2024
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In glycolysis, the conversion of 1, 3-bisphosphoglyceric acid to 3-phosphoglyceric acid is:
1. Energy yielding process
2. Energy utilising process
3. Phosphorylation process
4. Isomerisation process
1. Energy yielding process
2. Energy utilising process
3. Phosphorylation process
4. Isomerisation process
Subtopic: Glycolysis |
77%
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NEET - 2024
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Which of the following statements are correct about respiration?
Choose the correct answer from the options given below:
| A. | Energy of oxidation-reduction is utilised for phosphorylation |
| B. | Oxygen acts as the final hydrogen acceptor |
| C. | The photo-oxidative energy is utilised for production of proton gradient required for phosphorylation |
| D. | The role of oxygen is limited to the terminal stage of the respiration process |
| E. | Protons cross the outer membrane of mitochondria through the channel formed by an integral membrane protein complex |
| 1. | A, B, C, E only | 2. | A, B, D only |
| 3. | B, C, D, E only | 4. | A, C, D only |
Subtopic: ETS |
55%
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NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the option given below:
1. A-II, B-I, C-IV, D-III
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
| List-I | List-II | ||
| A. | Citric acid cycle | I. | Cytoplasm |
| B. | Glycolysis | II. | Mitochondrial matrix |
| C. | Electron transport system |
III. | Intermembrane space of mitochondria |
| D. | Proton gradient | IV. | Inner mitochondrial membrane |
Choose the correct answer from the option given below:
1. A-II, B-I, C-IV, D-III
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
Subtopic: Glycolysis | Kreb's Cycle | Oxidative Phosphorylation | ETS |
80%
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NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-IV, B-I, C- III, D- II
2. A-I, B-IV, C- II, D- III
3. A-III, B-I, C- IV, D- II
4. A-I, B-II, C- IV, D- III
| List-I | List-II | ||
| A. | ETS Complex I | I. | NADH Dehydrogenase |
| B. | ETS Complex II | II. | Cytochrome bC1 |
| C. | ETS Complex III | III. | Cytochrome C oxidase |
| D. | ETS Complex IV | IV. | Succinate Dehydrogenase |
Choose the correct answer from the options given below:
1. A-IV, B-I, C- III, D- II
2. A-I, B-IV, C- II, D- III
3. A-III, B-I, C- IV, D- II
4. A-I, B-II, C- IV, D- III
Subtopic: ETS |
83%
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NEET - 2024
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Which of the following are correct about cellular respiration?
Choose the correct answer from the options given below:
1. A, C, D, E only
2. A, B, E only
3. A, B, C, E only
4. B, C, D, E only
| 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
Subtopic: Fermentation | Aerobic Respiration |
74%
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The complex II of mitochondrial electron transport chain is also known as
1. Cytochrome c oxidase
2. NADH dehydrogenase
3. Cytochrome bc
4. Succinate dehydrogenase
1. Cytochrome c oxidase
2. NADH dehydrogenase
3. Cytochrome bc
4. Succinate dehydrogenase
Subtopic: Oxidative Phosphorylation | ETS |
68%
From NCERT
NEET - 2025
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Fatty acids are connected with the respiratory pathway through:
1. Acetyl CoA
2. α - Ketoglutaric acid
3. Dihydroxy acetone phosphate
4. Pyruvic acid
1. Acetyl CoA
2. α - Ketoglutaric acid
3. Dihydroxy acetone phosphate
4. Pyruvic acid
Subtopic: Amphibolic Nature of Respiration |
81%
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NEET - 2023
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Subtopic: Kreb's Cycle |
72%
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