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

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Q61.
There are some phages which don’t preferentially transduce some special regions of the phage genome. These phages are known as __________

a.

transducing phages

b.

specialized transducing phages

c.

generalized transducing phages

d.

transforming phages

Discuss
Answer: (c).generalized transducing phages
Q62.
Choose the correct statement for the lambda ZAP vector.

a.

It is not based on bacteriophage lambda

b.

It contains a region that can be excised in vivo

c.

The excision leads to the formation of bluescript plasmids and it contains an initiator region only

d.

The multiple cloning site is not flanked by the initiator and the terminator region

Discuss
Answer: (b).It contains a region that can be excised in vivo
Q63.
The initiator is recognized by which gene?

a.

Gene I

b.

Gene I and II

c.

Only gene II

d.

Gene III

Discuss
Answer: (c).Only gene II
Q64.
Choose the incorrect statement for the replication process.

a.

The initiator site is nicked and replication of one strand is started

b.

Replication takes place in both the directions

c.

Replication continues through the bluescript

d.

It is stopped at the terminator and then again a nick is made

Discuss
Answer: (b).Replication takes place in both the directions
Q65.
Which of the following doesn’t takes place after replication?

a.

The single stranded sequence is generated

b.

It is circularized to form closed single stranded molecule

c.

It may circularize or remain linear

d.

The double stranded molecule can be synthesized by cellular DNA synthesis

Discuss
Answer: (c).It may circularize or remain linear
Q66.
Choose the correct statement for cosmids.

a.

It can be regarded as lambda substitution vector

b.

Less amount of phage DNA is deleted

c.

Only cos packaging sites are left

d.

It doesn’t contains a origin of replication

Discuss
Answer: (c).Only cos packaging sites are left
Q67.
Once cosmids are inside the E.coli cells, they don’t generate phage but are propagated as plasmids.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q68.
Which of the following is the correct method to check whether the DNA has entered into the cell or not in the case of cosmid?

a.

If a transformation has taken place turbid plaques are formed

b.

If a transformation has taken place clear plaques are formed

c.

If a transformation has taken place, it can be confirmed via ampicillin resistance

d.

If a transformation has taken place, it can be confirmed if forms plaques and is ampicillin resistant also

Discuss
Answer: (c).If a transformation has taken place, it can be confirmed via ampicillin resistance
Q69.
Which size of the insert is accepted by the cosmids?

a.

10-20 kbp

b.

35-45 kbp

c.

50-60 kbp

d.

100-120 kbp

Discuss
Answer: (b).35-45 kbp
Q70.
What happens once the cosmid enters the E. coli cells?

a.

There is strict size selection inside E. coli cells

b.

Partial deletion may take place

c.

The tendency of deletion may is increased by using low copy number

d.

The tendency of deletion can’t be altered

Discuss
Answer: (b).Partial deletion may take place
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