Cotton bollworms, sugarcane borers are_________________?

Related Mcqs:

The young ones of exopteryotes butt aquatic in habit is?

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

It is a nitrogenous polysaccharides which are more than 50% of substance of cuticle is called___________________?

A. Sclerotion B. Resilin C. Chitin D. Cuticulin...

An egg parasitoid of lepidopterous insects is______________________?

A. Trichogramma sp B. Apanteles sp C. water joint beetle D. Ichneumon...

Which hormone cause moulting in insect_________________?

A. Ecdysone B. Juvenile C. Activation hormone D. None of the above...

The collective action of environmental factors that maintain numbers of pest population with in certain limit over a time is called_______________?

A. Artificial control B. Natural control C. Cultural control D. Physical control...