Which pests are controlled by dragonflies and ladybirds,respectively?

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.

The confusion technique uses which of the following for pest control?

Carbamates used as fungicides are

Select the incorrect option for $Trichoderma$.

The concept of sustainable agriculture lies in: