A. Trachea
B. Spines
C. Secretion
D. Nervous system
Related Mcqs:
- The insects which transfer disease from one plant to another is known as__________________?
A. Disease transmitter
B. Vector
C. Pest
D. Parasite - 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 - Insects have_________________?
A. 11 segments
B. 12 segments
C. 20 segments
D. None - The wings and legs of insects are present in___________________?
A. Head
B. Thorax
C. Abdomen
D. Neck - The sucking type insects of cotton are________________?
A. Jassids and thrips
B. Wlutefly and jassids
C. Thrips and whitefly
D. All the above - 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 larval stage of flies (Diptera) is known as_________________?
A. Grub
B. Cocoon
C. Maggot
D. Worm
