Question

How is fumigant different from pesticides? Name one natural substance which can be used in place of fumigant.

Answer 1

Pesticides are the part of Fumigant process as they are used to control the pest in gaseous form. hot steam can be used instead of this and some organic fumigant are also available 

Answer 2

Explanation:

 The pesticides that are used to control pests in gaseous form are called fumigants. The process by which they are spread is called fumigation.