Biology : Biotechnology and Its Applications

Cotton fibre is basically a type of

• trichome

• scale

• dried seed coat

• non glandular hair

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

Transposons are

• house-keeping genes

• jumping genes

• transporting genes

• stationary genes

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

• Maize

• Cotton

• Brinjal

• Soyabean

Which one of the following is the American poultry breed

• Australop

• Assel

• Minorica

• Rhod Island Red

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

• 3^rd instar larva

• 4^th instar larva

• 5^th instar larva

• Pupa

Biolistic technique is used in

• tissue culture process

• gene transfer process

• hybridization process

• germplasm conservation process

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

• Escherichia coli

• Bacillus thuringiensis

• Staphylococcus aureus

• Agrobacterium tumefaciens

Insect pest resistant Bt cotton plant was developed using

• somaclonal variation

• micropropagation

• somatic hybridisation

• Transgenic technology

First genetically modified plant commercially released in India is

• golden rice

• slow ripening tomato

• Bt brinjal

• Bt cotton