Question

Ravi went to his cotton field. He observed some cotton leaves are affected by insects. Weed plants are not affected why

Answer 1

because weeds are non essential part of the plant and it does not contain chlorophyll pigment and nucleus also absent I hope my answer will help u

Answer 2

The reasons for the weeds were not affected is due to some category of weeds were poisonous and if biotic interference is there the destructors which will feed on them they will die.

Some of the weed's leaves have a bad odor to prevent the destroyer to attack it.


This property keeps the destruction away.


Some weeds have thorns on leave surface which make uncomfortable for the destructors who try to attack and feed on them.