Biotechnology and Its Applications-Recombinant DNA Technology (NEET Biology): Questions 1 - 5 of 8

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Question number: 1

» Biotechnology and Its Applications » Recombinant DNA Technology

MCQ▾

Question

Find the incorrect statement

Choices

Choice (4) Response
a.

Bt toxin is a biodegradable insecticide obtained from Bacillus thuringinsis.

b.

Trichoderima species is a biocontrol agent for fungal diseases of plants.

c.

Gene therapy is a genetic engineering technique used to treat diseases at molecular level by replacing defective genes with normal genes.

d.

Calcitonin is a medically useful recombinant product in the treatment of infertility.

Question number: 2

» Biotechnology and Its Applications » Recombinant DNA Technology

MCQ▾

Question

After 4 PCR cycles how many DNA molecules are formed from one DNA template molecule?

Choices

Choice (4) Response
a.

16

b.

8

c.

32

d.

4

Question number: 3

» Biotechnology and Its Applications » Recombinant DNA Technology

MCQ▾

Question

Hybridomas are the result of fusion of

Choices

Choice (4) Response
a.

Abnormal antibody producing cells with myeloma.

b.

Normal antibody producing cells with myeloma.

c.

Male reproductive cells.

d.

Female reproductive cells.

Question number: 4

» Biotechnology and Its Applications » Recombinant DNA Technology

MCQ▾

Question

What is the first step in the Southern blot technique?

Choices

Choice (4) Response
a.

Denaturation of DNA on the gel for hybridization with specific probe.

b.

Production of a group of genetically identical cells.

c.

Breaking of DNA by restriction enzyme.

d.

Isolation of DNA from a nucleated cell such as the one from the scene of crime.

Question number: 5

» Biotechnology and Its Applications » Recombinant DNA Technology

MCQ▾

Question

In r-DNA technique which of the following technique is not used in introducing DNA into host cell

Choices

Choice (4) Response
a.

Transformation

b.

Electroporation

c.

Transduction

d.

Conjugation

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