Class 9 Biology MCQs - Chapter 6

Enzymes Multiple Choice Questions (MCQ Quiz) PDF Download - 1

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The Multiple Choice Question (MCQ Quiz): The catalytic region in which a small portion of molecules are involved in catalysis is called PDF, "Enzymes" App Download (Free) with absorption site, duplication site, active site, and inactive site choices for online schools. Solve characteristics of enzymes quiz questions, download Google eBook (Free Sample) for online school and college.

Class 9 Biology: Enzymes MCQs Questions PDF Download

MCQ: The catalytic region in which a small portion of molecules are involved in catalysis is called

A) duplication site

B) absorption site

C) active site

D) inactive site

MCQ: The regulators of enzymatic reactions are classified as

A) activators only

B) converters only

C) inhibitors

D) activators and converters

MCQ: The model which states that specific shapes are possessed by substrate and enzyme is known as

A) deduction model

B) induction model

C) lock and key model

D) arrow and shield model

MCQ: The model proposed by Emil Fischer is known as

A) arrow and shield model

B) deduction model

C) induction model

D) lock and key model

MCQ: The kind of molecules at which the enzymes act are classified as

A) solutes

B) concentrates

C) nitrates

D) substrates

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