$BT$ cotton is resistant to
Insect
Herbicides
Salt
Drought
What is antisense technology ?
Identify the incorrect statement.
$(i)$ Bacillus thuringiensis are available in sachets as dried spores which are mixed with kerosine and sprayed on to vulnerable plants
$(ii)$ B. thuringiensis are used to control butterfly caterpillars, but leave other insects unharmed
$(iii) $ The toxin of B. thuringiensis is released in the blood of larvae and the larvae get killed
$(iv)$ By the development of methods of genetic engineering B. thuringiensis toxin genes have been introduced
Highlight any four areas where genetic modification of plants has been useful.
Bt cotton is
The bacterium Bacillus thuringiensis is widely used in contemporary biology as