Much work on biological control of insects has been done in

Identify the incorrect statement.
$(i)$ Bacillus thuringiensis are available in sachets as dried spores which are mixed with kerosene 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 into plants.

Which was the first inorganic pesticide developed on a commercial scale?

$IPM$ (Integrated Pest Management) involves

Among pesticides,$Zinc \ phosphide$ is used for:

Baculo viruses are included in which genus?