Question
Biology Question on Microbes in human welfare
Biological control of agricultural pests, unlike chemical control, is
A
self perpetuating
B
polluting
C
very expensive
D
toxic.
Answer
self perpetuating
Explanation
Solution
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.