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Enzymes : NEET MCQ Questions

Are you looking for NEET MCQ Questions on Enzymes? If Yes then you are at right place. Here you will find Enzymes NEET MCQ Questions and Answers, Trivia, Quiz, Interview MCQ & Enzymes Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Enzymes Mcqs. as you know Questions and Ansers on Enzymes MCQS is very important for Neet Exam. In this Enzymes NEET section for Neet competition we are covering NEET MCQ Questions on Enzymes

Question 1 : The enzyme COX-1 is vital for human health in this way:

A. it is a chemical derivative of aspirin

B. catalyzes the hormone-production which maintains the stomach lining

C. critical for the biosynthesis of DNA

D. helps in the transportation of carbon dioxide in the blood

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Question 2 : This statement about enzymes is true

A. enzymes accelerate reactions by lowering the activation energy

B. enzymes are proteins whose three-dimensional form is key to their function

C. enzymes do not alter the overall change in free energy for a reaction

D. all of these

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Question 3 : Tryptophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consists of

A. a protein A and one subunit A

B. a protein designated A

C. two proteins designated A and B

D. a protein designated B

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Question 4 : Enzyme-driven metabolic pathways can be made more efficient by

A. grouping enzymes into multienzyme free-floating complexes

B. concentrating enzymes with specific cellular compartments

C. fixing enzymes into membranes so they are adjacent to each other

D. all of these

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Question 5 : Macromolecule chitin is

A. a simple polysaccharide

B. sulphur containing polysaccharide

C. phosphorous containing polysaccharide

D. nitrogen containing polysaccharide

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Question 6 : This enzyme was first isolated and purified in the form of crystals

A. Urease

B. pepsin

C. Amylase

D. Ribonuclease

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Question 7 : What is the count of genes that determine the synthesis of one enzyme?

A. One

B. Four

C. Eight

D. Sixteen

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Question 8 : With regards to enzyme action, this statement is incorrect

A. Malonate is a competitive inhibitor of succinic dehydrogenase

B. the substrate binds with the enzyme at its active site

C. the non-competitve inhibitor binds the enzyme at a site distinct from that binding the substrate

D. addition of a lot of succinates does not reverse the inhibition of succinic dehydrogenase by malonate

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Question 9 : In alcoholism, this enzyme is elevated

A. acid phosphatase

B. hepatitis

C. serum glutamate pyruvate transaminase

D. glutamyl transpeptidase

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Question 10 : The nature of an enzyme is

A. Lipid

B. Vitamin

C. Carbohydrate

D. Protein

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