Biology - Questions and Answers, General Study (GK)

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411.

Bt seed is associated with

(a)Rice

(b)Wheat

(c)Cotton

(d)Oilseed

Comment

Answer is: CNA

412.

Hybridoma technology is a new biotechnological approach for commercial production of

(a)Monoclonal antibodies

(b)Interferon

(c)Antibiotic

(d)Alcohol

Comment

Answer is: ANA

413.

Which one of the following chemicals is used to fuse plant protoplasts in genetic engineering?

(a)Ethylene

(b)Polyethylene glycol

(c)Calcium nitrate

(d)Sodium hydroxide

Comment

Answer is: BNA

414.

Which one among the following is the 'chemical knives' (scissors) used in genetic engineering?

(a)Polymerase

(b)Ligases

(c)Endonucleases

(d)Plasmid

Comment

Answer is: CNA

415.

Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an

(a)Virus

(b)Bacterium

(c)Insect

(d)Plant

Comment

Answer is: BNA

416.

The cutting of DNA at specific locations become possible with the discovery of

(a)Cloning

(b)Restriction endonuclease

(c)Restriction enzyme

(d)Vectors

Comment

Answer is: BNA

417.

The method of reproduction of new plants by cells instead of seed is known as

(a)Tissue culture

(b)Mutation

(c)Antibiosis

(d)Recombination

Comment

Answer is: ANA

418.

What is the purpose of the 'restriction enzymes' used in the genetic engineering?

(a)Restricts the protein synthesis in cells

(b)Cut DNA at specific base sequence

(c)Degrade harmful protein

(d)Join different DNA fragments

Comment

Answer is: CNA

419.

The science of producing and using plants for food , fuel fibre and fertilizer is referred to be as

(a)Agronomy

(b)Horticulture

(c)Pisciculture

(d)Apiculture

Comment

Answer is: ANA

420.

In India, which of the following has the highest share in the disbursement of credit to agriculture and allied activities?

(a)Cooperative banks

(b)Regional rural banks

(c)Commercial banks

(d)Micro finance institutions

Comment

Answer is: CNA

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Biology - Questions and AnswersPage 42

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