- 1(current)
Q. No.Match each item in Column-I with one item in Column-II and select the best match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Oxidoreductases | P. | Catalyse inter-conversion of isomers. |
| B. | Isomerases | Q. | Catalyse oxidoreduction reactions. |
| C. | Hydrolases | R. | Catalyse hydrolysis of bonds. |
| D. | Ligases | S. | Catalyse joining of two compounds. |
| A | B | C | D | |
| 1. | Q | P | S | R |
| 2. | Q | P | R | S |
| 3. | Q | R | P | S |
| 4. | R | Q | S | P |
Subtopic: Enzymes Classification |
94%
Level 1: 80%+
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Match the enzymes in List-I with their respective functions in List-II:
Options:
| List-I (Enzyme) | List-II (Function) | ||
| A. | Ligase | I. | Hydrolyses sucrose |
| B. | Lyase | II. | Joins two molecules using ATP |
| C. | Hydrolase | III. | Catalyses removal of groups without hydrolysis |
| D. | Isomerase | IV. | Interconverts glucose-6-phosphate to fructose-6-phosphate |
| 1. | A-II, B-III, C-I, D-IV | 2. | A-III, B-II, C-I, D-IV |
| 3. | A-II, B-I, C-III, D-IV | 4. | A-IV, B-II, C-I, D-III |
Subtopic: Enzymes Classification |
93%
Level 1: 80%+
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The specificity of an enzyme towards its substrate is best explained by:
| 1. | Random collision between enzyme and substrate |
| 2. | Permanent covalent bonding between enzyme and substrate |
| 3. | Identical chemical composition of all substrates |
| 4. | Complementary shape between enzyme active site and substrate |
Subtopic: Enzymes | Enzymes Classification | Enzyme Catalysis |
92%
Level 1: 80%+
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The enzymes that catalyse removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds are called as:
| 1. | Oxidoreductases | 2. | Hydrolases |
| 3. | Ligases | 4. | Lyases |
Subtopic: Enzymes Classification |
90%
Level 1: 80%+
Hints
Which of the following class of enzyme catalyse the linking together of 2 compounds?
1.Lyases
2.Ligases
3.Hydrolases
4.Transferases
Subtopic: Enzymes Classification |
89%
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: Enzymes Classification |
87%
Level 1: 80%+
Hints
Which of the following group of enzymes catalyzes removal of groups from substrate without hydrolysis of and it leads to formation of double bond:-
1. Oxidoreductases
2. Lyases
3. Hydrolases
4. Isomerases
Subtopic: Enzymes Classification |
84%
Level 1: 80%+
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The type of biochemical reaction shown in the given figure is catalysed by enzymes classified as:
1. Ligases
2. Lyases
3. Hydrolases
4. Transferases
1. Ligases
2. Lyases
3. Hydrolases
4. Transferases
Subtopic: Enzymes Classification |
84%
Level 1: 80%+
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- 1(current)
Q. No.
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