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Q. No.
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.
Subtopic: Enzyme Cofactors |
59%
Level 3: 35%-60%
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
| Assertion (A): | Enzymes get denatured at high temperature |
| Reason (R): | Inorganic catalyst work efficiently at high temperatures. |
| 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 Catalysis | Properties of Enzymes |
90%
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: Enzymes Classification |
78%
Level 2: 60%+
Hints
Which of the following is true for non-competitive enzyme inhibition?
| 1. | Vmax decreases, Km remains same |
| 2. | Inhibitor can attach with the enzyme at a region other than active site |
| 3. | A typical example is cyanide inhibiting cytochrome oxidase |
| 4. | More than one option is true. |
Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |
71%
Level 2: 60%+
Hints
Inulin is a collection of:
1. Fructose polymers
2. Sucrose polymers
3. Lactose polymers
4. Glucose polymers
1. Fructose polymers
2. Sucrose polymers
3. Lactose polymers
4. Glucose polymers
Subtopic: Carbohydrates | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
96%
Level 1: 80%+
Hints
'Monellin' is :
| 1. | A non-toxic sweetener |
| 2. | A protein obtained from a West African berry plant |
| 3. | Both (1) and (2) |
| 4. | A polysaccharide |
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
81%
Level 1: 80%+
Hints
How many unsaturated fatty acids are mentioned in the box?
1. Five
2. Two
3. One
4. Four
| Arachidonic acid, Palmitic acid, Oleic acid, Stearic acid, Linoleic acid, Linolenic acid |
2. Two
3. One
4. Four
Subtopic: Lipids | Lipids: Fatty Acids |
58%
Level 3: 35%-60%
Hints
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Arrange the following RNA in relative abundance present in a cell:
1. rRNA > tRNA > mRNA
2. rRNA > mRNA > rRNA
3. tRNA > rRNA > mRNA
4. mRNA > rRNA > tRNA
| tRNA, mRNA, rRNA |
2. rRNA > mRNA > rRNA
3. tRNA > rRNA > mRNA
4. mRNA > rRNA > tRNA
Subtopic: Nucleic Acid |
54%
Level 3: 35%-60%
Hints
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Which one of the following is incorrect for uncompetitive inhibition?
| 1. | Vmax and Km both decreases |
| 2. | ES, ESI are possible but EI is not possible |
| 3. | Vmax and Km both increases |
| 4. | All are incorrect |
Subtopic: Enzyme Inhibition: Introduction | Enzyme Inhibition |
Level 4: Below 35%
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