Q.

The method not used as a Biological control is :

A. Use of predators of a pest.
B. Pheromone traps
C. Use of pesticides
D. Use of neem extracts
Answer» C. Use of pesticides
Explanation: Pesticides are substances or mixture of substances intended for preventing, destroying, repelling or mitigating any pest. Pesticides are a special kind of products for crop protection. Crop protection products in general protect plants from damaging influences such as weeds, diseases or insects. A pesticide is generally a chemical or biological agent (such as a virus, bacterium, antimicrobial or disinfectant) that through its effect deters, incapacitates, kills or otherwise discourages pests.
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