Question

Mark the wrong statement about enzymes

• A. enzymes are biological catalysts
• B. each enzyme can catalyse a number of similar reactions
• C. enzymes are very efficient catalysts
• D. enzymes are needed only in very small amounts for their action

Answer 1

The correct option is B each enzyme can catalyse a number of similar reactions

Option (B) is incorrect. Enzymes are efficient and biological catalysts which are needed only in very small amounts for their action but each enzyme can catalyse only a specific selective reactions. This is often referred to as "the lock and key" model.