$DDT $ and $2, 4-D$ were Introduced
Towards end of World War II
Towards beginning of World War II
During World War I
Just after the World War I
Find the correct option (w.r.t. Bioherbicide)
Cotton fibre is basically a type of
Asafoetida is obtained from
Juvenile hormone causes
Which of the following is not an organo-chlorine