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.Management Sciences
Category: Plant Pathology
The larval stage of flies (Diptera) is known as_________________?
A. Grub
B. Cocoon
C. Maggot
D. Worm
Antenae of insect is__________________?
A. Locomotion organ
B. Sensory organ
C. Sex organ
D. None of the above
Fungi damage our crops by_________________?
A. Producing toxic substances in plants
B. Destroying green pigment of plant
C. feeding on flowers and fruits
D. Absorption of nutrients from plant tissues
The viral disease can be controlled by_________________?
A. Organo-chlorine pesticides
B. Pyrethroids
C. Growing resistant varieties
D. None of 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
Dormancy of insects in summer is called________________?
A. Hibernation
B. Thanolasis
C. Aestivation
D. Ecdysiast
The sucking type insects of cotton are________________?
A. Jassids and thrips
B. Wlutefly and jassids
C. Thrips and whitefly
D. All the above
Collar rot in chilies is caused by___________________?
A. Rhizowhtnia solani
B. phytophilorea infesta
C. phytophithoua spri
D. phytophytora cupri
The popular insecticides of organo-chlorine group are________________?
A. Malathion and thrips
B. Leaf minors
C. DDT & BHC
D. Naled
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