The heart like pumping organ in insect is_________________?

The sucking type insects of cotton are ________________?

A. Jassids and thrips

B. Wlutefly and jassids

C. Thrips and whitefly

D. All the above

The sucking type insects pesis are controlled by________________?

A. Chlorinated hydrocarbons

B. Pyrethroids

C. Organo-phosphatcs

D. Botanical pesticides

The granular formulation are commonly applied to control_______________?

A. Jassids and thrips

B. Leaf minors

C. Fruit and stem borers

D. Whitefly

Cockroach cutworms grass hoopers, stem borer and fruit borers are______________?

A. Sucking type insects

B. Chewing type insects

C. Jumping type insects

D. None of the above

Thread like structure surrounding the pupal stage of the insect (Silk worm) is_________________?

A. Silk

B. Typhoon

C. Cocoon

D. None of the above