Question

What is the primary reason biocontrol is needed according to the material?

Options

• Chemical pesticides are no longer available in the market

• Biological control is more effective than chemical control in all situations

• Chemical insecticides, pesticides, and weedicides are toxic and harmful to humans, animals, and the environment

• Chemical insecticides are expensive and difficult to apply

Answer 1

Biocontrol is needed because chemical insecticides, pesticides, and weedicides are toxic and harmful to human beings and animals. These chemicals also pollute soil, groundwater, fruits, vegetables, and crop plants. Biocontrol helps reduce dependence on these toxic chemicals.