Recombinant DNA Technology MCQs

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

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Recombinant DNA Technology MCQs | Page 12 of 21

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Q111.
Which of the following statements is false?

a.

The cells which take up recombinant plasmids are drug resistant

b.

The cells with no recombinant plasmids are drug resistant

c.

Plasmid replication is independent of cell’s division

d.

The cells containing recombinant plasmid are called transformed cells

Discuss
Answer: (a).The cells which take up recombinant plasmids are drug resistant
Q112.
The extra chromosomal, self-replicating, closed, double stranded and circular DNA molecule is generally termed as __________

a.

Chromosome

b.

Plasmid

c.

Genomic DNA

d.

Bacteriophage

Discuss
Answer: (b).Plasmid
Q113.
E.cor1 is a __________

a.

DNA ligase enzyme

b.

Restriction endonuclease

c.

A vector used for insulin synthesis

d.

A plasmid used as a vector

Discuss
Answer: (b).Restriction endonuclease
Q114.
In which stage of genetic engineering a probe is used?

a.

Cleaving DNA

b.

Recombining DNA

c.

Cloning

d.

Screening

Discuss
Answer: (d).Screening
Q115.
What is a DNA library?

a.

A DNA fragment inserted into a vector

b.

A general collection of all genes sequenced thus far

c.

All DNA fragments identified with a probe

d.

A collection of DNA fragments that make up the entire genome of a particular organism

Discuss
Answer: (d).A collection of DNA fragments that make up the entire genome of a particular organism
Q116.
Which of the following enzyme is required for end to end joining of DNA?

a.

DNA ligase

b.

Restriction endonuclease

c.

RNA polymerase

d.

DNA polymerase

Discuss
Answer: (a).DNA ligase
Q117.
Repressor molecules bind to __________

a.

Operator

b.

Promoter

c.

Enhancer

d.

Hormone response element

Discuss
Answer: (a).Operator
Q118.
Why are several structural genes regulated as a unit in bacteria?

a.

An accident of evolution

b.

It allows coordinating regulation of genes with a common function

c.

The bacteria chromosome is so small; many different genes must be controlled by the same promoter

d.

none of the above

Discuss
Answer: (b).It allows coordinating regulation of genes with a common function
Q119.
Alternate splicing of RNA transcripts is a mechanism to regulate

a.

tubulin

b.

tachykinins

c.

DNA methylation

d.

leucine zippers

Discuss
Answer: (b).tachykinins
Q120.
Which of the following is not an example of housekeeping genes?

a.

RNA polymerase

b.

r-RNA genes

c.

Beta galactosidase

d.

Enzymes required for basic metabolic pathways common to most cells

Discuss
Answer: (c).Beta galactosidase
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