Insecticide pyrethrum is prepared from

Insecticide pyrethrum is obtained from

Insecticide pyrethrum is obtained from

Insecticide pyrethrum is obtained from

Write the name of a contact insecticide which is prepared from chlorobenzene.

From which part of chrysanthemum do we get insecticide pyrethroids are extracted?

Assertion:Pyrethrum is collected from the leaves of Chrysanthemum cinerarifolium. Reason:Pyrethrin is prepared from pyrethrum.