Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about chemical reactions involving enzymes is correct?
A
Enzyme-catalyzed reactions have a higher rate than uncatalyzed reactions.
B
The enzyme remains unchanged after the reaction and can catalyze another reaction.
C
The presence of an enzyme increases the activation energy required for a reaction.
D
Substrates bind to enzymes without altering the enzyme's shape.
Correct Answer
Option A
Detailed Explanation
Enzyme-catalyzed reactions proceed at rates vastly higher than uncatalyzed ones, as mentioned in the context. Additionally, enzymes are not consumed in the reaction, allowing them to catalyze multiple reactions.
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