Corpora allata is removed from a nymph. It will
Remain nymph for life
Become adult
Change to next nymph and remain in that state for ever
Die after some time
A common biocontrol agent for the control of plant diseases is
The most common pesticide used in India is
$DDT $ and $2, 4-D$ were Introduced
Pick out the correct statement
The chemical present in Temik is