Immobilized Enzyme MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Immobilized Enzyme, a fundamental topic in the field of Biochemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Immobilized Enzyme MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Immobilized Enzyme mcq questions that explore various aspects of Immobilized Enzyme problems. Each MCQ is crafted to challenge your understanding of Immobilized Enzyme principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Immobilized Enzyme MCQs are your pathway to success in mastering this essential Biochemical Engineering topic.

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Immobilized Enzyme MCQs | Page 2 of 3

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Q11.
Which of the following is considered as a disadvantage to the adsorption method of immobilization?

a.

It is possible to separate and purify the enzymes while being immobilized

b.

The enzymes are not usually deactivated by adsorption

c.

The adsorption is a reversible process

d.

State of immobilization is very sensitive to solution pH, ionic strength and temperature

Discuss
Answer: (d).State of immobilization is very sensitive to solution pH, ionic strength and temperature
Q12.
During the enzymatic reaction of an immobilized enzyme, the rate of substrate transfer is

a.

equal to that of substrate consumption

b.

more than that of substrate consumption

c.

lesser than that of substrate consumption

d.

is nothing to do with the substrate consumption

Discuss
Answer: (a).equal to that of substrate consumption
Q13.
The immobilized technique involving chemical method is

a.

covalent bond formation dependent

b.

non-covalent bond formation dependent

c.

both (a) and (b)

d.

ionic bond formation dependent

Discuss
Answer: (a).covalent bond formation dependent
Q14.
For a steady state condition, the change of substrate concentration (dCs/dt) is

a.

zero

b.

1

c.

>1

d.

<1

Discuss
Answer: (a).zero
Q15.
Damkohler number(NDa) is

a.

the ratio of the maximum reaction rate to the maximum mass transfer rate

b.

the ratio of the minimum reaction rate to the maximum mass transfer rate

c.

the ratio of the maximum reaction rate to the minimum mass transfer rate

d.

the ratio of the minimum reaction rate to the minimum mass transfer rate

Discuss
Answer: (a).the ratio of the maximum reaction rate to the maximum mass transfer rate
Q16.
Water insoluble enzymes can be prepared by using multifunctional agents that are bifunctional in nature and have

a.

low molecular weight

b.

high molecular weight

c.

high equivalent weight

d.

low reactivity

Discuss
Answer: (a).low molecular weight
Q17.
Functional groups of the nonessential amino acid residues that are suitable for the immobilization process are

a.

free α-, β- or γ carb oxyl groups

b.

α or β amino groups

c.

phenyl, hydroxyl, sulfhydryl or imidazole groups

d.

all of the above

Discuss
Answer: (d).all of the above
Q18.
Which medium is used for the production of Penicillin using immobilized cells

a.

1% peptone medium

b.

glucose medium

c.

Yeast extract medium

d.

LB broth

Discuss
Answer: (b).glucose medium
Q19.
Which of the following is taken as an assumption in the distributed model?

a.

The reaction occurs at every position and the kinetics of the reaction are of the same form as observed for free enzyme.

b.

Mass transfer through the immobilized enzyme occurs via molecular diffusion

c.

There is no mass transfer limitation at the outside surface of the spherical immobilized enzyme

d.

All of the above

Discuss
Answer: (d).All of the above
Q20.
The immobilized enzyme produced by micro encapsulation technique provides

a.

an extremely large surface area

b.

smaller surface area

c.

high amount of solvent

d.

relatively smaller surface area

Discuss
Answer: (a).an extremely large surface area
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