Question

Which of the following helps in maintaining soil fertility?

A. Biofertilisers
B. Herbicides
C. Pesticides

• A. Only A
• B. Only B
• C. A and C
• D. A, B and C

Answer 1

The correct option is A Only A

$\bullet$ Biofertilisers are micro-organisms which are useful to synthesise nutrients from the environment or from soil to plants. They are used in organic farming to increase the yield as well as maintain the soil fertility.
$\bullet$ Herbicides and pesticides are chemical substances that prevent the growth of unwanted weeds and pests respectively, but are significantly harmful to humans, animals and environment.