In order to be most effective control measures aimed at killing an insect-pest should be directed to attack:
A.Egg
B.Pupae
C.Grub
D.Adult
Category: Agriculture Entomology Mcqs
Diflubenzuron is it derivative of:
A.Difloro compounds
B.Dithiophosphoric acid
C.Urea
D.Phosphonic acid
Honey been queen produces _____ thousand eggs per day:
A.0.5.1.5
B.2?3
C.4.0?4.5
D.5.0?5.5
Which one of the following types of spraying is best done by manually operated knapsack sprayer having flat fan nozzle?
A.High volume
B.Low volume
C.Ultra low volume
D.Semi low volume
Bacillus thuringiensis is most effective at pH:
A.3 to 6
B.9 to 10
C.11 to 14
D.All of the above
International Congress of Zoology (1901) advised that scientific names should be printed in:
A.Capital letters
B.Small letters
C.Italics
D.All of the above
A notorious weed, Lantana camara is controlled by:
A.Lantana bug
B.Shoot fly
C.Cochnial insect
D.None of them
Which term is used for the movement of coax towards the body?
A.Protraction
B.Promotion
C.Adduction
D.Abduction
In the formation of cuticle which of the following layer is secreted first:
A.Exocuticle
B.Endocuticle
C.Wax layer
D.Cuticulin layer
Which one of the following truly diagnoses the infestation by the sorghum shoot fly?
A.Formation of ‘dead heart’ in the early seedling stage of sorghum which can be easily pulled out
B.Formation of ‘dead heart’ and a bunchy top during the later seedling stage of sorghum
C.Formation of ‘dead heart’ which cannot be easily pulled out during the later seedling stage of sorghum
D.Formation of silvery shoot during the early seedling stage of sorghum
