Crop Production and Management

Given below are statements about the harmful effects of weeds
on crop plants.
(i) They interfere in harvesting.
(ii) They help crop plants to grow healthily.
(iii) They compete with crop plants for water, nutrients, space
and light.
(iv) They affect plant growth.
Choose the correct combination of statements.
(a) i, iii, iv (c) iii, iv
(b) iii only (d) i, ii, iii, iv