MarksRiser
MarksRiser
Zoology-(general)

NEET Zoology (general) MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following statements about enzyme action and reaction rates is correct?

A

Enzymes lower the activation energy required for a reaction, resulting in increased reaction rates.

B

Enzymes increase the stability of the substrate, making it less reactive.

C

All enzyme-catalyzed reactions happen at the same rate regardless of conditions.

D

Enzymes can change the products formed from a substrate during a reaction.

Correct Answer

Option A

Detailed Explanation

Enzymes indeed lower the activation energy needed for a reaction, which allows reactions to proceed at a much higher rate compared to uncatalyzed reactions, as indicated in the NCERT context regarding enzyme-catalyzed reactions.

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