Gel electrophoresis is used for
cutting of DNA into fragments
separation of DNA fragments according to their size
construction of recombinant DNA by joining with cloning vectors
isolation of DNA molecule
Which one of the following is being tried in India as a biofuel substitute for fossil fuels?
Jatropha
Azadirachta
Musa
Aegilops
Cry-1 endotoxins obtained from Bacillus thuringiensis are effective against
mosquitoes
flies
nematodes
boll worms
Which of the following plant species you would select for the production of bioethanol?
Brassica
Zea mays
Pongamia
An important step in the manufacture of pulp for paper industry from the woody tissues of palnt is the
preparation of pure cellulose by removing lignin
removal of oils present in the wood by treatment with suitable chemicals
removal of water from the wood by prolonged heating at approximately 500C
treatment of wood with chemical that breakdown cellulose
Polyethylene glycol method is used for
gene transfer without a vector
biodiesel production
seedless fruit production
energy production from sewage
What is antisense technology?
A cell displaying a foreign antigen used for synthesis of antigens
Production of somaclonal variants in tissue cultures
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
RNA polymerase producing DNA
Main objective of production/ use of herbicide resistant GM crops is to
eliminate weeds from the field without the use of manual labour
eliminate weeds from the field without the use of herbicides
encourage eco-friendly herbicides
reduce herbicide accumulation in food particles for health safety
The technique of obtaining large number of plantlets by tissue culture method is called
plantlet culture
organ culture
micro-propagation
macro-propagation
Introduction of food plants developed by genetic engineering is not desirable because
economy of developing countries may suffer
these products are less tasty as compared to the already existing products.
this method is costly
There is a danger of introduction viruses and toxins with introduced crops
