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.Management Sciences
Category: Entomology
Cypermethrin, deltamerthrin, permethrin are example of__________________?
A. Organophosphrous
B. Pyrethroids
C. Organochlorine
D. Carbamate
The long axis of head is horizontal and in line with insect body, mouth parts directed forward is type of head_______________?
A. Prognathous
B. Hypognathous
C. Opisthognathous
D. Opis thosynchous
The parasite which are capable of developing upon a few closely related host species is called_______________?
A. Oligophagous parasites
B. Polyhagous parasites
C. Facultative parasites
D. Transitory parasites
Insects which are during day light hours are called_________________?
A. Diurnal insects
B. Nocturnal insects
C. Crepuscular insects
D. Non of the above
Function of epiculticle in insect is__________________?
A. Rigidly of body parts
B. Impermeability of water
C. Prevent evaporation
D. Impermeability of water and prevent evaporation
Function of endo cuticle is________________________?
A. Prevent evaporation
B. Rigidity of body parts
C. Extensiblity of integument and flexibility
D. Impermeability of water
A substance used in a pesticide, it helps the spray material to adhere to the sprayed surface is called_________________?
A. Adhesive
B. Adjuvant
C. Activator
D. Agitation
Lac is produced by insect_________________?
A. Bombyx mori
B. Laceifera lacca
C. Apis dorsata
D. Apis cerana
The control of pest by human controlling activities and law is called____________________?
A. Regularity method
B. Chemical method
C. genetic method
D. Physical method
Types of pheromones which alert the insect from any danger known as__________________?
A. Alarm pheromone
B. Aggregation pheromone
C. Sex pheromone
D. Trial marking pheromone
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