- 1(current)
Q. No.Match the entries in column I and column II. Which one of the following choices is correct?
1. a-3, b-1, c-4, d-2
2. a-4, b-3, c-1, d-2
3. a-2, b-1, c-3, d-4
4. a-4, b-1, c-3, d-2
| Column I | Column II | ||
| (a) | Haem | 1. | Metallic Cofactor |
| (b) | NAD | 2. | Vitamin |
| (c) | Zinc | 3. | Coenzyme |
| (d) | Niacin | 4. | Prosthetic group |
1. a-3, b-1, c-4, d-2
2. a-4, b-3, c-1, d-2
3. a-2, b-1, c-3, d-4
4. a-4, b-1, c-3, d-2
Subtopic: Enzyme Cofactors |
90%
From NCERT
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Assertion (A): Co-enzyme is a non-protein group without which certain enzymes are inactive or incomplete.
Reason (R): Coenzymes not only provide a point of attachment of the chemical group being transformed but also influence the properties of the group.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Coenzymes not only provide a point of attachment of the chemical group being transformed but also influence the properties of the group.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Enzyme Cofactors |
63%
From NCERT
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Assertion (A): The protein part of enzyme is called apoenzyme.
Reason (R): Zinc acts as prosthetic group of the enzyme carboxypeptidase.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): Zinc acts as prosthetic group of the enzyme carboxypeptidase.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Enzyme Cofactors |
58%
From NCERT
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Match the columns:
1. A = iii, B = i, C = iv, D = ii
2. A - ii, B = i, C = iv, D = iii
3. A = iii, B = i, C = ii, D = iv
4. A = i, B = iv, C = iii, D = ii
| Column-I | Column-II |
| A. Cytochrome oxidase | i. Mg2+ |
| B. Hexokinase | ii. Zn2+ |
| C. Nitrate reductase | iii. Fe2+ and Cu2+ |
| D. Alcohol dehydrogenase | iv. Mo |
2. A - ii, B = i, C = iv, D = iii
3. A = iii, B = i, C = ii, D = iv
4. A = i, B = iv, C = iii, D = ii
Subtopic: Enzyme Cofactors |
72%
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