Question

Baalo ka jhadna rokne hetu tel ka vigyapan tayyar karo slogan ke saath

Answer 1

slogan:tel lagao baal badhao

Answer 2

Due to the phenomenon of Biomagnification , due to which ddt goes on increasing on higher trophic levels . From phytoplanktons which got it accumulated( from polluted water ),to zooplanktons ,fish,and finally to human being.As it can't be digested and excreted it goes on accumulating.