MCQs on Enzyme for NMDCAT 2021

[Zamzam]

Blocking of enzyme action by blocking its active sites is

A	allosteric inhibition
B	feedback inhibition
C	competitive inhibition
D	non-competitive inhibition

Answer: (c)

[Zamzam]

Diastase takes part in digestion of ______.

A	Protein
B	Starch
C	Amino acids
D	Fat

Answer: (b)

[Zamzam]

Enzyme catalyzing rearrangement of atomic groupings without altering molecular weight or number of atoms is

A	ligase
B	isomerase
C	oxidoreductase
D	hydrolase

Answer: (b)

[Zamzam]

Enzyme complex involved in alcoholic fermentation is

A	Zymase
B	Invertase
C	Lipase
D	Amylase

Answer: (a)

[Zamzam]

Zymogen or proenzyme is a

A	Modulator
B	Vitamin
C	Enzyme precursor
D	Hormone

Answer: (c)

[Zamzam]

Enzymes are basically made up of

A	Fats
B	Proteins
C	Nucleic acids
D	Vitamins

Answer: (b)

[Zamzam]

Catalysts are different from enzymes in

A	functional at high temperature
B	not used up in reaction
C	being proteinaceous
D	having high rate diffusion

Answer: (b)

[Zamzam]

Enzymes are polymers of

A	Hexose sugar
B	Amino acids
C	Fatty acids
D	Inorganic phosphate

Answer: (b)

[Zamzam]

The enzyme which hydrolyses starch to maltose is

A	protease
B	amylase
C	lactase
D	maltase

Answer: (b)

[Zamzam]

Value needed for enzyme action is ______.

A	Low Km
B	Low Ki
C	High Km
D	High Ki

Answer: (b)