The correct option is C Both A and B
Zinc phosphide is a highly potent rodenticide. It has a wide range of uses commercially and residentially, including the protection of food crops and grasses. As a rodenticide, it can kill mice and voles and also be used as a fumigant in storehouse to control post - harvest pests such as rice weevils, grannary weevils, wheat moths, cotton red bollworms etc.