. Term used for biological methods controlling plant diseases and pests.
(a)Biocontrol agents
(b)Insecticides and pesticides
(c)Weedicides
(d)Phytocontrol agents
Best Answer
Ans.(a)Biocontrol agents are environment friendly micro-organisms used for controlling plant pests, which are not chemicals. Insecticides and pesticides chemicals are harmful to the environment as they cause pollution.
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