- 1(current)
Q. No.Read the given statements A, B and C and select the correct option.
| (A) | All enzymes are proteinaceous in nature. |
| (B) | Some competitive inhibitors are often used in the control of bacterial pathogens. |
| (C) | Active site of an enzyme is formed by the folding of the backbone of tertiary structure of protein upon itself. |
| 1. | Statements (A) and (B) are correct |
| 2. | Statements (B) and (C) are correct |
| 3. | Statements (A) and (C) are correct |
| 4. | Statements (A), (B) and (C) are correct |
Subtopic: Â Proteins |Â Enzymes |Â Factors Affecting Enzyme Catalysis Reaction |Â Properties of Enzymes |
 62%
From NCERT
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Assertion (A): Enzymes lower down the activation energy of the reactant molecule to make its transition into product easier.
Reason (R): Enzymes are highly substrate specific catalysts.
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): Enzymes are highly substrate specific catalysts.
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 |Â Enzyme Catalysis |Â Factors Affecting Enzyme Catalysis Reaction |Â Properties of Enzymes |Â Mechanism of Enzymes |Â Enzyme Introduction |
 79%
From NCERT
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Assertion (A): An example of non-competitive inhibitor is cyanide.
Reason (R): Cyanide kills animals by inhibiting cytochrome oxidase.
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): Cyanide kills animals by inhibiting cytochrome oxidase.
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 Enzyme Inhibition: Introduction |Â Enzyme Inhibition |Â Properties of Enzymes |
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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.
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: Â Enzyme Catalysis |Â Properties of Enzymes |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
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NEET 2026 - Target Batch - Vital
- 1(current)
Q. No.
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