Class 12 NEET Biology Microbes in Human Welfare

The control of insect pests by the introduction, encouragement and artificial increase of biological agencies like predaceous and parasitic insects, other animals and diseases is termed as biological control. It is basically a natural control in which man plays significant role of making the biological agencies more effective. It is a self perpetuating method as the organisms which act as biocontrol agent are able to grow and reproduce unlike chemical control agents.