Vector Systems MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Vector Systems, a fundamental topic in the field of Genetic Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Vector Systems 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 Vector Systems mcq questions that explore various aspects of Vector Systems problems. Each MCQ is crafted to challenge your understanding of Vector Systems principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Genetic Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Vector Systems MCQs are your pathway to success in mastering this essential Genetic Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Vector Systems. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Vector Systems knowledge to the test? Let's get started with our carefully curated MCQs!

Vector Systems MCQs | Page 7 of 9

Discover more Topics under Genetic Engineering

Q61.
Choose incorrect statement for the substitution vector EMBL4.

a.

It is having two single multiple cloning sites

b.

The region to be removed is on one side of the multiple cloning sites

c.

If a digestion within the multiple cloning sites, it generates central portion and right and left arms

d.

The right and left portions are called as arms

Discuss
Answer: (b).The region to be removed is on one side of the multiple cloning sites
Q62.
Is it necessary to stop the relegation of the central portion before the stiffer fragment is ligated.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q63.
What happens if chain-termination mutation is in the S gene?

a.

Cell lysis is blocked

b.

Growth of cells containing low levels of packaging proteins is not allowed

c.

The lysis of cells is not carried artificially

d.

Packaging is not carried out efficiently

Discuss
Answer: (a).Cell lysis is blocked
Q64.
Which of the following is used for blocking the phage-encoded recombination?

a.

Mutation in D gene

b.

Mutation in E gene

c.

Red mutation

d.

Mutation in S gene

Discuss
Answer: (c).Red mutation
Q65.
Which of the following is not a consequence of deletion in the b region?

a.

Excision of the prophage on induction is prevented

b.

It reduces the amount of endogenous phage DNA in the packaging mix

c.

It reduces the amount of exogenous phage DNA in the packaging mix

d.

It reduces the level of background non-recombinant phage

Discuss
Answer: (c).It reduces the amount of exogenous phage DNA in the packaging mix
Q66.
If a single system is used for packaging, there are increased chances of endogenous material being packed.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q67.
The cI function can be scanned in order to check whether the recombinants are present or not. Which of the following doesn’t hold true?

a.

The cI protein is required for the formation of lysogen

b.

The plaques formed are turbid in the case if the cI gene is active

c.

The plaques formed are clear in the case if the cI gene is inactive

d.

hflA mutant host reduces the amount of cII stability

Discuss
Answer: (d).hflA mutant host reduces the amount of cII stability
Q68.
What is the function of red and gam gene products?

a.

It promotes the growth of the phage in the E. coli cells which are lysogenic for bacteriophage P1

b.

It inhibits the growth of the phage in the E. coli cells which are lysogenic for bacteriophage P2

c.

It inhibits the growth of the phage in the E. coli cells which are lytic for bacteriophage P1

d.

It activates the growth of the phage in the E. coli cells which are lytic for bacteriophage P2

Discuss
Answer: (b).It inhibits the growth of the phage in the E. coli cells which are lysogenic for bacteriophage P2
Q69.
The red and gam genes are removed in which type of phages?

a.

Substitution phage

b.

Replacement and substitution phages both

c.

Replacement phage

d.

Substitution is preferred over replacement phage

Discuss
Answer: (c).Replacement phage
Q70.
Phages which are designated as spi-are __________

a.

red+ gam+

b.

red+ gam-

c.

red- gam+

d.

red- gam-

Discuss
Answer: (d).red- gam-
Page 7 of 9