Class 12 Biology - Chapter 12: Biotechnology and its Application MCQ Questions

15 Questions 30 Minutes

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Your Class 12 Biology Study Path

Question 1

The first clinical gene therapy was done for the treatment of:

A SCID.

B Cystic fibrosis

C Cancer

D AIDS

Question 2

A probe which is a molecule used to locate specific sequences in a mixture of DNA or RNA molecules could be:

A Can be ss DNA but not ss RNA.

B Either RNA or DNA

C A single-stranded DNA

D A single-stranded RNA

Question 3

C-peptide of human insulin is:

A Responsible for its biological activity.

B Removed during maturation of pro-insulin to insulin

C Responsible for formation of disulphide bridges

D A part of mature insulin molecule

Question 4

The site of production of ADA in the body is:

A Monocytes.

B Blood plasma

C Lymphocytes

D Bone marrow

Question 5

ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA?

A Arginine deaminase.

B Aspartate deaminase

C Adenosine deaminase

D Adenosine deoxy aminase

Question 6

Choose the correct option regarding Retrovirus.

A AdsRNA virus.

B An ssDNA virus

C A DNA virus that can synthesise RNA during infection

D An RNA virus that can synthesise DNA during infection

Question 7

Silencing of a gene could be achieved through the use of:

A None of the above.

B By Both

C Antisense RNA

D Short interfering RNA (RNAi)

Question 8

Pathophysiology is the:

A None of the above.

B Study of altered physiology of host

C Study of normal physiology of host

D Study of physiology of pathogen

Question 9

GEAC stands for:

A Genetic and Environment Approval committee.

B Genetic Engineering Approval Committee

C Ground Environment Action Committee

D Genome Engineering Action Committee

Question 10

A protoxin is:

A Inactive toxin.

B Toxin produced by protozoa

C A denatured toxin

D A primitive toxin

Question 11

The trigger for activation of toxin of Bacillus thuringiensis is:

A Mechanical action in the insect gut.

B Alkaline pH of gut

C High temperature

D Acidic pH of stomach

Question 12

Bt cotton is not:

A Resistant to all pesticides.

B a bacterial gene expression system

C Insect resistant

D A GM plant

Question 13

Golden rice is:

A Wild variety of rice with yellow coloured grains.

B A transgenic rice having gene for p-carotene

C Long stored rice having yellow colour tint

D A variey of rice grown along the yellow river in China

Question 14

In RNAi, genes are silenced using:

A ssRNA.

B dsRNA

C dsDNA

D (o) ssDNA

Question 15

a-1 antitrypsin as:

A Used to treat emphysema.

B Used to treat arthritis

C An enzyme

D An antacid

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Class 12 Biology - Chapter 12: Biotechnology and its Application MCQ Questions

Your Class 12 Biology Study Path

The first clinical gene therapy was done for the treatment of:

A probe which is a molecule used to locate specific sequences in a mixture of DNA or RNA molecules could be:

C-peptide of human insulin is:

The site of production of ADA in the body is:

ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA?

Choose the correct option regarding Retrovirus.

Silencing of a gene could be achieved through the use of:

Pathophysiology is the:

GEAC stands for:

A protoxin is:

The trigger for activation of toxin of Bacillus thuringiensis is:

Bt cotton is not:

Golden rice is:

In RNAi, genes are silenced using:

a-1 antitrypsin as:

Practice Complete!

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