Question

Uprooting of weeds is a method of controlling them
a) chemically
b) mechanically
c) biology
d) none of these​

Answer 1

Answer:

Weeds are unwanted plants which grow along with the crop plants in cultivated field and cause reduction of crop yield.

The different methods of weed control are :

(a) Mechanical methods : Weeds can be removed by uprooting by hand or by using trowel.

(b) Cultural methods : By employing timely sowing of seeds in properly prepared beds, intercropping and crop rotation methods, weed growth can be minimized.

(c) Chemical methods : Weeds can be destroyed by spraying chemical called weedicides.

(d) Biological methods : Certain insects and crop plants prevent the growth of weeds.

Answer 2

Explanation:

(a) Mechanical methods : Weeds can be removed by uprooting by hand or by using trowel.

(b) Cultural methods : By employing timely sowing of seeds in properly prepared beds, intercropping and crop rotation methods, weed growth can be minimized.

(c) Chemical methods : Weeds can be destroyed by spraying chemical called weedicides.

(d) Biological methods : Certain insects and crop plants prevent the growth of weeds.