Question

NCERT VIII - Sciences

What are weeds? How can we control them?

Answer 1

Unwanted plants which grow are called weeds. Weeds compete with crops for natural resources; like sunlight, water and nutrients. Thus, weeds hamper the growth of crops. Weeds are usually removed manually by hands and by sickles. This process is called weeding. Sometimes, weedicides are also sprayed to kills weeds.

Answer 2

Plants that are of no use are called as weeds.They ruin crops growth.
Weeds can be removed by spraying weedicides on the plants or by plucking them manually or with the help of machines.