Biotechnology and Its Applications-Recombinant DNA Technology [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 1 - 4 of 10

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Question 1

Question MCQ▾

Find the incorrect statement

Choices

Choice (4)Response

a.

Bt toxin is a biodegradable insecticide obtained from Bacillus thuringinsis.

b.

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

c.

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

d.

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

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Question 2

Question MCQ▾

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

Choices

Choice (4)Response

a.

32

b.

4

c.

8

d.

16

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Question 3

Question MCQ▾

Hybridomas are the result of fusion of

Choices

Choice (4)Response

a.

Male reproductive cells.

b.

Abnormal antibody producing cells with myeloma.

c.

Normal antibody producing cells with myeloma.

d.

Female reproductive cells.

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Question 4

Question MCQ▾

What is the first step in the Southern blot technique?

Choices

Choice (4)Response

a.

Breaking of DNA by restriction enzyme.

b.

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

c.

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

d.

Production of a group of genetically identical cells.

Edit