Enzyme Engineering in Biotechnology MCQs

Question 1

Major drawback of utilizing enzymes is . . . . . . . .

Accepted Answer

Unstable nature of enzymes

Answer

High productivity

Answer

Specificity

Answer

Selectivity

Question 2

. . . . . . . . is a method which is highly used for lab scale procedures than large scale work.

Accepted Answer

Ultrasonication

Answer

Homogenization

Answer

Freezing

Answer

Alkali treatment

Question 3

Enzymes are the polymers of . . . . . . . .

Accepted Answer

Amino acids

Answer

Fatty acids

Answer

Hexose carbon

Answer

Organic phosphate

Question 4

Which is the enzyme used to remove phosphate group from the 5' end of the DNA

Accepted Answer

Alkaline phosphatase

Answer

Restriction enzymes

Answer

Polynucleotide kinase

Answer

Ribonuclease H

Question 5

If the rate of denaturation of enzyme Y is 1.5*10-4/min, then the half-life of enzyme Y is . . . . . . . . mins.

Accepted Answer

4.62*103

Answer

0.462*103

Answer

46.2*103

Answer

0.0462*103

Question 6

The coenzyme is:

Accepted Answer

Often a vitamin

Answer

Often a metal

Answer

Always a protein

Answer

Always an inorganic compound

Question 7

What does the equation, $$k = A{e^{{{ - \Delta G} \over {RT}}}}$$ represent?

Accepted Answer

Arrhenius equation

Answer

Miachelis Menton equation

Answer

Lineweaver Burk equation

Answer

Half-life

Question 8

Uncompetitive inhibition is most noticeable at low substrate concentration and can be overcome at high substrate concentration.

Accepted Answer

False

Answer

True

Question 9

Which of the following rule was not given by the enzyme commission?

Accepted Answer

Mention of cofactors

Answer

Assigned each enzyme a name

Answer

Assigned each enzyme a 4-digit code

Answer

Divided enzymes into 6 main groups