200 Best MCQs on Immobilized enzyme- biochemical engineering
Top 200 MCQs on Immbilized Enzyme
This section contains MCQs/ Objective Type Questions of Immobilized Enzyme for various competetive Exams like HPPSC HPSSC HPSSSB and other exams
Q1). 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
Correct Answer:
low molecular weight
Explaination:
Q2). 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
Correct Answer:
all of the above
Explaination:
Q3). 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
Correct Answer:
glucose medium
Explaination:
Q4). 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
Correct Answer:
All of the above
Explaination:
Q5). 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
Correct Answer:
an extremely large surface area
Explaination:
Q6). 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
Correct Answer:
State of immobilization is very sensitive to solution pH, ionic strength and temperature
Explaination:
Q7). 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
Correct Answer:
equal to that of substrate consumption
Explaination:
Q8). 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
Correct Answer:
covalent bond formation dependent
Explaination: