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.
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Subtopic: Â Enzymes |Â Enzyme Catalysis |Â Factors Affecting Enzyme Catalysis Reaction |Â Properties of Enzymes |Â Mechanism of Enzymes |Â Enzyme Introduction |
 79%
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Assertion (A): All the proteinaceous enzymes have a 3-D structure.
Reason (R): The secondary structure of protein is according to amino acid present inside the polypeptides.
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.
Add Note
Subtopic: Â Element Analysis |Â Enzyme Introduction |
 50%
From NCERT
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NEET 2026 - Target Batch - Vital
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