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Q. No.Lecithin, a small molecular weight organic compound found in living tissues, is an example of:
1. Phospholipids
2. Glycerides
3. Carbohydrates
4. Amino acids
1. Phospholipids
2. Glycerides
3. Carbohydrates
4. Amino acids
Subtopic: Lipids |
82%
Level 1: 80%+
NEET - 2024
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Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:
| 1. | Feedback inhibition |
| 2. | Competitive inhibition |
| 3. | Enzyme activation |
| 4. | Cofactor inhibition |
Subtopic: Enzyme Inhibition |
82%
Level 1: 80%+
NEET - 2024
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Subtopic: Enzyme Cofactors |
70%
Level 2: 60%+
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-I, B-II, C-III, D-IV
2. A-II, B-III, C-IV, D-I
3. A-III, B-IV, C-I, D-II
4. A-IV, B-I, C-II, D-III
| List-I | List-II | ||
| A. | GLUT-4 | I. | Hormone |
| B. | Insulin | II. | Enzyme |
| C. | Trypsin | III. | Intercellular ground substance |
| D. | Collagen | IV. | Enables glucose transport into cells |
Choose the correct answer from the options given below:
1. A-I, B-II, C-III, D-IV
2. A-II, B-III, C-IV, D-I
3. A-III, B-IV, C-I, D-II
4. A-IV, B-I, C-II, D-III
Subtopic: Proteins |
87%
Level 1: 80%+
NEET - 2024
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Match List-I and List-II:
Choose the correct answer form the options given below:
| List-I | List-II | ||
| 1. | Lipase | I. | Peptide bond |
| 2. | Nuclease | II. | Ester bond |
| 3. | Protease | III. | Glycosidic bond |
| 4. | Amylase | IV. | Phosphodiester bond |
| 1. | A-III, B-II, C-I,D-IV | 2. | A-II, B-IV, C-I,D-III |
| 3. | A-IV, B-I, C-III, D-II | 4. | A-IV, B-II, C-III, D-I |
Subtopic: Enzymes |
71%
Level 2: 60%+
NEET - 2024
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Regarding catalytic cycle of an enzyme action, select the correct sequential steps:
Choose the correct answer from the options given below:
1. A, E, B, D, C
2. B, A, C, D, E
3. E, D, C, B, A
4. E, A, D, C, B
| A. | Substrate enzyme complex formation. |
| B. | Free enzyme ready to bind with another substrate. |
| C. | Release of products. |
| D. | Chemical bonds of the substrate broken. |
| E. | Substrate binding to active site. |
1. A, E, B, D, C
2. B, A, C, D, E
3. E, D, C, B, A
4. E, A, D, C, B
Subtopic: Enzyme Catalysis | Factors Affecting Enzyme Catalysis Reaction | Mechanism of Enzymes |
74%
Level 2: 60%+
NEET - 2024
Hints
Which of the following statement is incorrect about enzymes?
| 1. | They are highly substrate specific |
| 2. | In thermophilic organisms, enzymes can catalyze reaction at high temperatures, i.e. 90°C |
| 3. | All enzymes are proteinaceous in nature |
| 4. | Some enzymes have metal ions |
Subtopic: Enzymes |
75%
Level 2: 60%+
NEET - 2024
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The following can be found as a zwitter ion:
| 1. | Fatty acid | 2. | Monosaccharide |
| 3. | Amino acid | 4. | Nucleic acid |
Subtopic: Element Analysis | Amino Acids |
88%
Level 1: 80%+
NEET - 2024
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Which of the following is not a complex polysaccharide?
| 1. | Inulin | 2. | Chitin |
| 3. | Glucosamine | 4. | N-acetyl galactosamine |
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
58%
Level 3: 35%-60%
NEET - 2024
Hints
Match List-I with List-II:
Choose the correct answer from the options given below :
| List-I | List-II | ||
| A. | Ribozyme | I. | Glucose transport |
| B. | Lecithin | II. | Non-proteinaceous enzyme |
| C. | Glut-4 | III. | Lipid |
| D. | Vitamins | IV. | Coenzyme |
| 1. | A-IV, B-III, C-I, D-II | 2. | A-IV, B-III, C-II, D-I |
| 3. | A-II, B-I, C-III, D-IV | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Proteins | Lipids | Enzymes | Enzyme Cofactors |
74%
Level 2: 60%+
NEET - 2024
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