Berlese’s theory was proposed to explain the orign of:
A.Egg stage
B.Larval stage
C.Pupal stage
D.Abdult stage
Category: Agriculture Entomology Mcqs
Alxillary sclerites are absent in:
A.Lepidoptera
B.Coleoptera
C.Odonata
D.Distyoptera
Insects feeding on plants of several genera within a family are called:
A.Phytophagous
B.Polyphagous
C.Oligophagous
D.Monophgous
Insect haemolymph has no gas transport system except in:
A.Males of lac insect
B.Chironomid larvae
C.Nephrocytes
D.Coagulocytes
Give the name of a family of order Hymenoptera which include crop pests:
A.Tenthredinidae
B.Ichneumonidae
C.Braconidae
D.Apidae
Indicate, which represent the analogous group:
A.Wings of butterfly and birds
B.Fore leg of horse and arm of a man
C.Fore wings of moth and fins of fishes
D.Hind wings of butterfly and legs of birds
Alternaria blight in mustard can be controlled by:
A.Treating seed with hot water
B.Soil treatment with alderin
C.Bordeaux mixture
D.None of these
In Hymenoptera the first abdominal segment, which is fused with the metathorax, is called:
A.Cornical
B.Epiproct
C.Propodium
D.Gaster
When a hectare of ground crop is completely covered by spraying less than 60 litres of liquid, is termed a:
A.Low volume spray
B.Medium volume spray
C.Very low volume spray
D.High volume spray
Cotton stainer is:
A.Pectinophora
B.Ephinophora
C.Ephestia
D.Dytiscus
