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 1 of 9

Discover more Topics under Genetic Engineering

Q1.
F (fertility) factor is used in many bacterial systems for different purposes. Choose the incorrect statement with respect to the F factor.

a.

It was identified in E. coli for catalysing genetic exchange between cells

b.

Cells having F factor are called as female

c.

The F factor is transferred from one cell to another via factors present outside

d.

They are not related to BAC systems

Discuss
Answer: (a).It was identified in E. coli for catalysing genetic exchange between cells
Q2.
F factor integration into the host chromosome is called as __________

a.

F’ plasmid

b.

F factor and host chromosome recombination

c.

Hfr (High frequency of recombination)

d.

Recombinant host chromosome

Discuss
Answer: (c).Hfr (High frequency of recombination)
Q3.
Excision of the F factor can also be done from the host chromosome. Choose the incorrect statement in respect to it.

a.

This excision is possible in vivo

b.

Along with the F factor, host chromosome’s DNA sequences are also excited

c.

The sequences of host chromosome which can be accommodated in the F plasmid are small in size

d.

These plasmids are termed as F’ plasmids

Discuss
Answer: (c).The sequences of host chromosome which can be accommodated in the F plasmid are small in size
Q4.
The low copy number of F plasmid is essential for the stability of these plasmids.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q5.
Choose the correct statement for BAC vector system.

a.

BAC vector system stands for bacteria and chromosome

b.

It usually accepts insert of size approximately 1000kbp

c.

The repE and oriS sequences are required for controlling the copy number and par A-C sequences are required for replication

d.

A selectable marker is there for chloramphenicol resistance

Discuss
Answer: (d).A selectable marker is there for chloramphenicol resistance
Q6.
The bacteriophage M13 vectors belong to a group of phages called as __________

a.

skinny or filamentous phage

b.

M phage group

c.

single stranded phage

d.

double stranded phage

Discuss
Answer: (a).skinny or filamentous phage
Q7.
Choose the correct statement for the infection process of M13.

a.

The infectious particle is double stranded

b.

It is contained in a protein coat which is made up of products of gene III or gene VIII

c.

The phage infects only female cells

d.

The phage enters the bacterial cells by the filament which is meant for movement

Discuss
Answer: (b).It is contained in a protein coat which is made up of products of gene III or gene VIII
Q8.
At times, a second enzyme is used while the central portion is removed and the stuffer fragment is placed there. Choose the statement which doesn’t holds for this process.

a.

It is a method which is used for avoiding the relegation of central portion before the stuffer fragment is attached over there

b.

In this method, the central portion is cut with another enzyme after being separated from the arms

c.

The arms are also cut with this second enzyme

d.

It is not necessary to remove the fragments generated

Discuss
Answer: (c).The arms are also cut with this second enzyme
Q9.
Physical separation is also used at times. Choose the correct statement with respect to this method.

a.

Physical separation constitutes of gel electrophoresis and or by using centrifugation in sugar density gradient

b.

In sugar density gradient, the molecules are separated on the basis of density

c.

The central portion is recovered from the gel or the gradient

d.

Gel is more efficient than the sugar density gradient

Discuss
Answer: (a).Physical separation constitutes of gel electrophoresis and or by using centrifugation in sugar density gradient
Q10.
Once the bacteriophage enters the bacterial cells, some changes are carried out in it. Which of the following is not included?

a.

The single stranded molecule entering the cell is single stranded and is called as a + strand

b.

The single stranded molecule is converted into double stranded molecule which is called as replicative form (RF)

c.

It is carried out in a process similar to normal replication process of E. coli

d.

The positive strand is used for the transcription of viral proteins

Discuss
Answer: (d).The positive strand is used for the transcription of viral proteins
Page 1 of 9