The sucking type insects pesis are controlled by________________?

A. Chlorinated hydrocarbons
B. Pyrethroids
C. Organo-phosphatcs
D. Botanical pesticides

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 of cotton are________________?
A. Jassids and thrips B. Wlutefly and jassids C. Thrips and whitefly D. All the above...
Insects have_________________?
A. 11 segments B. 12 segments C. 20 segments D. None...
The insects which transfer disease from one plant to another is known as__________________?
A. Disease transmitter B. Vector C. Pest D. Parasite...
The wings and legs of insects are present in___________________?
A. Head B. Thorax C. Abdomen D. Neck...
The insects have__________________?
A. 2 pair of wings and 2 pair of legs B. 3 pair of wings and 2 pair of legs C. 2 pair of wings and 3 pair of legs D. None of the above...
Trachea in insects are the organ of___________________?
A. Digestion B. Respiration C. Excretion D. Secretion...
Dormancy of insects in summer is called________________?
A. Hibernation B. Thanolasis C. Aestivation D. Ecdysiast...
The entrance point for air in insects are known as _________________?
A. Trachea B. Spines C. Secretion D. Nervous system...
Viral disease can be controlled by __________________?
A. Fungicides B. Cultural practices C. Cultural practices and growing resistant varieties D. Can not be controlled...