Zoology-Enzymes
NEET Zoology Enzymes MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about enzymes is correct?
A
Enzymes accelerate chemical reactions by lowering activation energy.
B
Enzymes are only effective at temperatures above 100°C.
C
All enzymes are identical and catalyze the same reactions.
D
Enzymes can function without a specific substrate binding to their active site.
Correct Answer
Option A
Detailed Explanation
Enzymes speed up reactions by lowering the activation energy required, which is highlighted by the example of carbonic anhydrase that increases the reaction rate dramatically. The other options misrepresent enzyme stability, function, and specificity.
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