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
D.
Pupa
The caterpillar larva hatches from egg of silkmoth. The full grown caterpillar larva grows into pupa. Its salivary glands now secrete a sticky fluid through a narrow pore of its spinning apparatus called spinneret situated on hypopharynx. The sticky substance turns into the fine long and solid thread of silk.
Insect pest resistant Bt cotton plant was developed using
somaclonal variation
micropropagation
somatic hybridisation
Transgenic technology
Which one of the following bacterium is used for production of transgenic plants
Escherichia coli
Bacillus thuringiensis
Staphylococcus aureus
Agrobacterium tumefaciens
Biolistic technique is used in
tissue culture process
gene transfer process
hybridization process
germplasm conservation process
Which of the following Bt crops is being grown in India by the farmers?
Maize
Cotton
Brinjal
Soyabean
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
First genetically modified plant commercially released in India is
golden rice
slow ripening tomato
Bt brinjal
Bt cotton
