Top 150+ Solved Biomolecules-2 MCQ Questions Answer

From 76 to 90 of 134

Q. What is co – enzyme?

a. Always a protein

b. always a amino acid

c. Often a vitamin

d. Often a protein

  • c. Often a vitamin

Q. Find out the correct function of co-enzyme?

a. In association with apoenzyme and make it effective

b. Independently of the apoenzyme

c. In association with any protein and make it effective

d. None above

  • a. In association with apoenzyme and make it effective

Q. Which one property is not true for enzyme?

a. It effective for one reaction is not useful in another reaction

b. It is amphoteric in nature

c. All enzymes are bidirectional

d. They are not destroyed

  • c. All enzymes are bidirectional

Q. The rate of most of enzyme catalyzed reaction changes with PH as the PH Increases this rate?

a. Reaches a maximum

b. Reaches a minimum

c. Decreases

d. Increases

  • a. Reaches a maximum

Q. Near freezing point an enzyme is

a. Slightly activated

b. Inactivated

c. Denatured

d. Destroyed

  • b. Inactivated

Q. A temperature change from 30o C to 50o C the rate of enzyme actively will:

a. Increase

b. Decrease

c. First increase and then decrease

d. First decrease and then increase

  • c. First increase and then decrease

Q. An enzyme brings about

a. Activation energy level

b. Increase in reaction time

c. Decrease in activation energy level

d. all above

  • c. Decrease in activation energy level

Q. Enzymes are polymers of:

a. Fatty acid

b. Phosphate

c. Amino acid

d. Nucleotides

  • c. Amino acid

Q. Which one is not correct for enzyme?

a. They all are biocatalysts

b. They all are colloidal

c. They all are proteins

d. All proteins are enzymes

  • d. All proteins are enzymes

Q. Inorganic catalyst recognized what when it attached an enzyme?

a. Activator

b. Co- enzyme

c. Inhibitor

d. Apoenzyme

  • a. Activator

Q. At which place the substrate combines with the enzymes:

a. Active site

b. inactive site

c. Common site

d. Gap site

  • a. Active site

Q. Enzyme and substrate complementary each other such as

a. Pencil & eraser

b. Pen & Paper

c. Lock & key

d. all above

  • c. Lock & key

Q. Which one of the following chemical is classified as an enzyme?

a. Try glyceride

b. Cellulose

c. Galactose

d. Sucrase

  • d. Sucrase

Q. In the cell digestive enzymes are mostly in which cell organells?

a. Ribosome

b. vacuoles

c. Lysosomes

d. Mitochondria

  • c. Lysosomes

Q. Enzymes are named after their substrate adding suffix –

a. —- In

b. — ase

c. — ose

d. — on

  • b. — ase
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