Zoology-Enzymes

NEET Zoology Enzymes MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following statements about enzymes and their function is correct?

A

Enzymes can function efficiently at high temperatures without being damaged.

B

Enzymes catalyze reactions by lowering the activation energy required.

C

Competitive inhibitors enhance enzyme activity by binding to the active site.

D

Enzymes are only effective at temperatures below 40°C for all organisms.

Correct Answer

Option B

Detailed Explanation

Enzymes catalyze reactions by lowering the activation energy, allowing reactions to occur at a much higher rate. While enzymes do get damaged at high temperatures, some enzymes from heat-loving organisms can remain stable at temperatures above 40°C.

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