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.Management Sciences
Category: Plant Pathology
Trachea in insects are the organ of___________________?
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A. Digestion
B. Respiration
C. Excretion
D. Secretion
The insecticides with least mammalian toxicity are____________________?
A. Organo-phosphate
B. Organo-chlorine
C. Pyrethroids
D. Carbamates
The granular formulation are commonly applied to control_______________?
A. Jassids and thrips
B. Leaf minors
C. Fruit and stem borers
D. Whitefly
White rust of crucifers is caused by__________________?
A. Pemospora Parasitica
B. Alternarian solani
C. Albugo candida
D. Aspergillus niger
Insect body is divided in to_____________________?
A. 3 regions
B. 5 regions
C. 10 regions
D. 2 regions
The economic injury level for white fly is________________?
A. 1-2 nymphs/leaf
B. 2-3 nymphs/leaf
C. 3-4 nymphs/leaf
D. 1 nymphs/leaf
Oceli is___________________?
A. Antennae in insect
B. Mouth parts of insect
C. Eye of insect
D. Sense organs of insect
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