Cotton fibre is basically a type of from Biology Biotechnology a

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 Multiple Choice QuestionsMultiple Choice Questions

61.

In which stage of its life cycle, the silk moth begins to produce silk fibre?

  • 3rd instar larva

  • 4th instar larva

  • 5th instar larva

  • Pupa


62.

Which one of the following is the American poultry breed

  • Australop

  • Assel

  • Minorica

  • Rhod Island Red


63.

Transposons are

  • house-keeping genes

  • jumping genes

  • transporting genes

  • stationary genes


64.

First genetically modified plant commercially released in India is

  • golden rice

  • slow ripening tomato

  • Bt brinjal

  • Bt cotton


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65.

Cotton fibre is basically a type of

  • trichome

  • scale

  • dried seed coat

  • non glandular hair


A.

trichome

Cotton fibre is basically a type of trichome. Trichome is a small hair or outgrowth from the epidermis of a plant, typically unicellular and glandular.


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66.

Biolistic technique is used in

  • tissue culture process

  • gene transfer process

  • hybridization process

  • germplasm conservation process


67.

Which one of the following bacterium is used for production of transgenic plants

  • Escherichia coli

  • Bacillus thuringiensis

  • Staphylococcus aureus

  • Agrobacterium tumefaciens


68.

Basic principle of developing transgenic plants and animals is to introduce the gene of interest into the nucleus of

  • somatic cell

  • vegetative cell

  • germ cell

  • body cell


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69.

Which of the following Bt crops is being grown in India by the farmers?

  • Maize

  • Cotton

  • Brinjal

  • Soyabean


70.

Insect pest resistant Bt cotton plant was developed using

  • somaclonal variation

  • micropropagation

  • somatic hybridisation

  • Transgenic technology


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