Question

Given below are statements about the harmful effects of weeds on crop plants. Choose the correct statements.
(i) They interfere in harvesting.
(ii) They help in the proper growth of crop plants.
(iii) They compete with crop plants for water, nutrients, space and light.

• A. i, iii
• B. iii, ii
• C. iii only
• D. i, ii, iii

Answer 1

The correct option is A i, iii

$\bullet$ Weeds are unwanted plants harmful for crops because they compete with crops for space, water and nutrients. This directy affects crop growth. They also interfere in harvesting.
$\bullet$ The process of removal of weeds from field is called weeding. It can be done by either using instruments like sickle or weed harrow or can be done by using herbicides.