Which fish controls diseases like malaria and filariasis by feeding on mosquito larvae?

'Bordeaux mixture' is used as a

$A$ common biocontrol agent for the control of plant diseases is

Which fungus has proven to be an effective biological control agent?

What are the components that are harmful to crops in the field of agriculture commonly called?

The cessation of reproduction in an organism by creating hurdles in its biology or physiology,or its destruction by the use of another organism,is known as: