Biotechnology and Its Applications (NEET Biology): Questions 84 - 89 of 224

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Question number: 84

» 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: 85

» Biotechnology and Its Applications » Genetic Engineering

MCQ▾

Question

Who among the following discovered the restriction endonuclease?

Choices

Choice (4) Response

a.

Andre Lwoff

b.

F. Jacob

c.

Hamilton Othanel Smith

d.

All of the above

Question number: 86

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

MCQ▾

Question

Maximum utilization of the techniques of biotechnology has been made in the field of

Choices

Choice (4) Response

a.

Agriculture

b.

Industries

c.

Biogas production

d.

Medicines

Question number: 87

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

MCQ▾

Question

Which one of the following nitrogen – fixer is helpful in paddy fields?

Choices

Choice (4) Response

a.

Rhizobium

b.

Anabaena

c.

Azospirillum

d.

Archebacteria

Question number: 88

» Biotechnology and Its Applications » Genetically Modified Organisms

MCQ▾

Question

Cultivation of Bt Cotton has been much in the news. The prefix “Bt” means

Choices

Choice (4) Response

a.

Production by “biotechnology” using restriction enzymes and ligases.

b.

“Barium-treated” cotton seeds.

c.

“Bigger thread” variety of cotton with better tensile strength

d.

Carrying an endotoxin gene from Bacillus thurigiensis.

Question number: 89

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

MCQ▾

Question

Aims of plant breeding are to produce

Choices

Choice (4) Response

a.

High yielding varieties

b.

Early maturing varieties

c.

Disease-free varieties

d.

All a. , b. and c. are correct

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