Biology-Biotechnology [NSO Level 1- Science Olympiad (SOF) Class 12]: Questions 1 - 4 of 8

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Question number: 1

» Biology » Biotechnology

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Question

What is radioactively labelled probe in genetic fingerprinting?

Choices

Choice (4)Response

a.

Double stranded RNA molecule

b.

Single stranded RNA molecule

c.

Single stranded DNA molecule

d.

All of the above

Question number: 2

» Biology » Biotechnology

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Question

Multiple Ovulation Embryo Transfer Technology is said to be useful in animal breeding, what is the reason behind this?

Choices

Choice (4)Response

a.

Herd size can be increased in a short time

b.

Used to breed unrelated animals with no common ancestors for almost 5 years

c.

Helps to remove less desirable genes and accumulate those which are superior

d.

Helps in developing new stable breeds that are superior to existing breeds

Question number: 3

» Biology » Biotechnology

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In monoclonal antibody technology, mammalian cells that produce an antibody are fused with tumor cells which replicate endlessly. What will be the result of this cell fusion?

Choices

Choice (4)Response

a.

Carcinoma

b.

Lymphoblast

c.

Hybridoma

d.

Myeloma

Question number: 4

» Biology » Biotechnology

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Question

For a lab experiment you are trying to insert a gene from human DNA into plasmid and there is a preparation of human DNA cut with restriction endonuclease A given to you by the professor. Your gene of interest has sites on both ends for restriction endonuclease B. Now, you have a plasmid with single site for B, but not for A. What would you do in this situation?

Choices

Choice (4)Response

a.

Plasmid cut with restriction endonuclease A and insert human DNA cut with restriction endonucelase A into plasmid.

b.

Plasmid cut with restriction endonuclease A and insert human DNA cut with restriction endonuclease B into plasmid.

c.

Plasmid cut twice with restriction endonuclease B and the two fragments are ligated onto the ends of human DNA fragments cut with restriction endonuclease A.

d.

Human DNA cut again with the restriction endocuclease B and insert these fragments into plasmid cut with the same enzyme.

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