- 1(current)
Q. No.
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Match column-I with column-II and select the correct option.
1. a(iii), b(i), c(ii), d(iv)
2. a(iii), b(ii), c(iv), d(i)
3. a(iii), b(ii), c(v), d(i)
4. a(iii), b(v), c(ii), d(iv)
| Column-I | Column-II | ||
| a. | Catalyse the transfer of specific groups other than hydrogen from one substrate to other | (i) | Oxido- reductases |
| b. | Catalyse the breakdown of larger molecules into smaller with addition of water |
(ii) | Lyases |
| c. | Catalyse removal of groups from substrates by mechanism other than hydrolysis leaving double bonds |
(iii) | Transferases |
| d. | Catalyse linking together of 2 compounds | (iv) | Ligases |
| (v) | Hydrolases |
2. a(iii), b(ii), c(iv), d(i)
3. a(iii), b(ii), c(v), d(i)
4. a(iii), b(v), c(ii), d(iv)
Subtopic: Â Enzymes Classification |
 82%
Level 1: 80%+
Hints
Assertion (A): Hydrolases are the enzymes which catalyse the hydrolysis of ester, ether, peptide and glycosidic bonds.
Reason (R): Lyases functions as ligases.
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): Lyases functions as ligases.
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: Â Enzymes Classification |
 87%
Level 1: 80%+
Hints
| Assertion(A): | Enzymes are divided into eight different classes. |
| Reason(R): | The most important of all classes is ligases. |
| 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: Â Enzymes Classification |
 77%
Level 2: 60%+
Hints
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Read the enzymatic reation and choose the correct option:
I.
II.
III.
IV.
V.
I.
II.
III.
IV.
V.
| Oxidore ductase | Transferase | Hydrolase | Lyase | Ligase | |
| 1. | Alcohol dehydrogenase | Glucohexo kinase | Sucrase/Invertase | Aldolase | PEP-Carboxylase |
| 2. | Alcohol dehydrogenase | Glucohexo kinase | Aldolase | PEP-Carboxylase | Invertase |
| 3. | PEP-Carboxylase | Glucohexo kinase | Invertase | Sucrase | Aldolase |
| 4. | Aldolase | Invertase | Aldolase | PEP-Carboxylase | Glucohexo kinase |
Subtopic: Â Enzymes Classification |
 58%
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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