In which of the following insect the spiracles are absent?
A.Cecidomyid larvae
B.Chironomid larvae
C.Mycetophilid larvae
D.Psycodid larvae
Category: Agriculture Entomology Mcqs
If one gram of a pesticide formulation containing 50% active ingredient is mixed with 1 litre of water, what will ingredient in the spray fluid?
A.0.5 ppm
B.5.0 ppm
C.50 ppm
D.500 ppm
Crustacean posses the following distinguishing characters. Choose the odd one:
A.One pair of antennae
B.Minimum five pairs of legs
C.Cephalothroax and abdomen
Bacillus thurigiensis was reported by Berliner from:
A.Tribolium
B.Heliothis
C.Ephestia
D.Spodoptera
For the fumigation of rat burrows the fumigant required is:
A.EDCT mixture
B.Methyl bromide
C.Aluminium phosphide
D.Chloropicrin
7-Dodecenyl acetate is sex pheromone of:
A.Dacus cucurbitae
B.Heliothis armigera
C.Dacus dorsalis
D.None of the above
DDT inhibits the enzyme which plays important role in the formation of effshell in birds is:
A.DD Tase
B.Carbonic anhydrase
C.Carboxyesterase
D.None of the above
Indicate the correct sequence through which the following insecticide came into use:
A.BHC, Rotenone, Malath ion and Lead arsenate
B.Lead arsentate, Rotenone, BHC and Malathion
C.BHC, Rotenone, Lead arsenate and Malathion
D.Rotenone, BHC, Lead arsenate and Malathion
Insect having prolegs in larval stage:
A.Thrips tabaci
B.Athalia proxima
C.Dacus cuscurbitae
D.Holotrichia consanguinea
Glycerophosphate shuttle is found in:
A.Sense organs
B.Fat dobies
C.Flight muscles
D.Pharyngeal muscles
