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Q. No.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 |
75%
Level 2: 60%+
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 |
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%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R):
In the light of the above statements, choose the correct answer from the options given below :
| Assertion (A): | ATP is used at two steps in glycolysis. |
| Reason (R): | First ATP is used in converting glucose into glucose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphosphate. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Glycolysis |
82%
Level 1: 80%+
NEET - 2023
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What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
| 1. | Eight | 2. | Four |
| 3. | Six | 4. | Two |
Subtopic: Glycolysis |
69%
Level 2: 60%+
NEET - 2022
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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
| 1. | Phosphofructokinase | 2. | Aldolase |
| 3. | Hexokinase | 4. | Enolase |
Subtopic: Glycolysis |
91%
Level 1: 80%+
NEET - 2019
Hints
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: Miscellaneous |
74%
Level 2: 60%+
NEET - 2024
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What amount of energy is released from glucose during lactic acid fermentation?
| 1. | Less than 7% | 2. | Approximately 15% |
| 3. | More than 18% | 4. | About 10% |
Subtopic: Fermentation |
90%
Level 1: 80%+
NEET - 2022
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
| 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 |
86%
Level 1: 80%+
NEET - 2024
Hints
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 |
53%
Level 3: 35%-60%
NEET - 2024
Hints
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 |
Level 3: 35%-60%
NEET - 2024
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