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 3 of 9

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Q21.
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
Q22.
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
Q23.
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
Q24.
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
Q25.
Replication can also be carried out by rolling circle replication. Choose the correct statement for this type of replication?

a.

It can be used for the formation of RF

b.

The product of gene III binds on a specific site of double stranded genome

c.

It creates a nick in the – strand generating a free 3’ hydroxyl

d.

This strand is extended by the polymerase and displaces the original – strand

Discuss
Answer: (a).It can be used for the formation of RF
Q26.
Gene V blocks the production of which gene?

a.

Gene III

b.

Gene II

c.

Gene VIII

d.

Gene IV

Discuss
Answer: (b).Gene II
Q27.
What is the size of the DNA molecule which can be packed by the viral protein coat?

a.

100kbp

b.

200kbp

c.

500kbp

d.

No size restriction

Discuss
Answer: (d).No size restriction
Q28.
The uniform layer of cells is known as lawn and the holes peppered from infected cells are termed as __________

a.

plaques

b.

holes

c.

colony

d.

pothole

Discuss
Answer: (a).plaques
Q29.
M13 doesn’t actually lyse the cells.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q30.
The plaques formed by M13 infection are called as __________

a.

retarded plaques

b.

true plaques

c.

pseudoplaques

d.

lysogenized plaques

Discuss
Answer: (c).pseudoplaques
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