Modifications and Mutagenesis MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Modifications and Mutagenesis, 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 Modifications and Mutagenesis 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 Modifications and Mutagenesis mcq questions that explore various aspects of Modifications and Mutagenesis problems. Each MCQ is crafted to challenge your understanding of Modifications and Mutagenesis 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 Modifications and Mutagenesis 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 Modifications and Mutagenesis. 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 Modifications and Mutagenesis knowledge to the test? Let's get started with our carefully curated MCQs!

Modifications and Mutagenesis MCQs | Page 6 of 8

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Q51.
siRNAs can either be introduced directly or by microinjection.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q52.
Introduction into host organism can also be done by using a DNA construct, which when transcribed, generates an RNA which is _________

a.

circular

b.

linear

c.

double stranded

d.

self-complementary

Discuss
Answer: (d).self-complementary
Q53.
The ________ protein of bacteriophage P1 mediates site-specific recombination at a 34 bp sequence, loxP.

a.

cre recombinase

b.

gene II

c.

gene IV

d.

gene VIII

Discuss
Answer: (a).cre recombinase
Q54.
Choose the incorrect statement for cre-lox excision.

a.

The chromosomal copy of the target gene replaces the target gene flanked by loxP sites

b.

The second step is supply of Cre recombinase

c.

Integration of cre takes place under a controllable promoter followed by induction of the promoter

d.

Induction results in expression of cre, recombination along loxP sites and excision of the sequence between

Discuss
Answer: (a).The chromosomal copy of the target gene replaces the target gene flanked by loxP sites
Q55.
Cre can be introduced by crossing it with a strain containing the gene or by infection with virus containing it.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q56.
How much effect is there on the surrounding genes by the loxP sequence which is left after recombination has taken place?

a.

Little effect

b.

No effect

c.

Huge effect

d.

It depends on the nature of the surrounding gene

Discuss
Answer: (b).No effect
Q57.
The ability to control the expression of cre allows controlling what?

a.

recombination

b.

replication

c.

excision

d.

packaging

Discuss
Answer: (c).excision
Q58.
Excision of DNA flanked by loxP sequences is also known as _________

a.

subtle excision

b.

croxing

c.

floxing

d.

sequence specific excision

Discuss
Answer: (c).floxing
Q59.
RNA molecule with catalytic activity is termed as________

a.

ribosomes

b.

catalytic RNA

c.

reactive RNA

d.

ribozyme

Discuss
Answer: (d).ribozyme
Q60.
Hepatitis delta virus capable of self cleavage.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
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