Following is the insecticide which is having fumigant and penetrant action

Answer: Option B

DDVP is an insecticide which is having fumigant and penetrant action.
Dichlorvos (2,2-dichlorovinyl dimethyl phosphate, commonly abbreviated as an DDVP) is an organophosphate widely used as an insecticide to control household pests, in public health, and to protect stored products from insects.
It is a contact and stomach insecticide with fumigant and penetrant action. It works on wide range of chewing and sucking pests on a wide range of economically important crops. Fast knock-down effect and kills target pests instantly.