The amount of pest induced injury to the crop which will justify the cost of artificial control measures is called________________?

Related Mcqs:

The young ones of exopteryotes butt aquatic in habit is?

A. Naiad B. Nymph C. Larva D. Adult...

Wings are modified into rod like structure in Thrips are type of wings________________?

A. Membrarieous B. halteres C. Stripy D. Elytra...

The bees which are reared artificially as commercial business are called________________?

A. Domestic bees B. Wild bees C. None of above D. Jelly...

The chemical used for controlling fish is called__________________?

A. Ovicide B. VICIDE C. Pesticide D. herbicide...

Which insect have bacteria and in their digestive system_______________?

A. Termites B. Ants C. Silver fish D. None...