A minimum period of _______ years is to be given before assessing the effectiveness of an important bio-control agent:
A.2
B.3
C.4
D.5
Category: Agriculture Entomology Mcqs
Hamulate type of wing couping appartus is found in:
A.Grasshohopper
B.Butterfly
C.Bug
D.Honey
Ammonium carbamate is mixed with alumnium phosphide because:
A.It releases ammonia gas alarming the operator
B.It releases CO2 which is fire extinguisher
C.It gives cooling effect
D.All of the above
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
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
