Wingless hexapod with 6 abdominal segments:
A.Diplura
B.hysanura
C.Collembolad
D.Protura
Category: Agriculture Entomology Mcqs
White ear-head in paddy is caused by:
A.Gall fly
B.Green leafhopper
C.Yellow stem borer
D.Stink bug
Factor on which penetration of insecticide through insect cuticle does not depend:
A.Thickness of the cuticle
B.Chemical nature of the cuticle
C.Components of the cuticle
D.Nature of the carriers and solvents
By radioactive carbon method the age of the fossil can be determined upto:
A.10,000 years
B.15,000 years
C.20,000 years
D.25,000 years
Insecticides approved for aerial spray:
A.Lindane 20 EC
B.Malathion 50 EC
C.Phosphamidon 85 WSC
D.All of the above
During the process of sclerotization which of the following is oxidised in the haemocytes:
A.Arginine
B.Glycene
C.Tyrosine
D.Alanine
Classification of phylum mollusca is based on:
A.Locomotory organs
B.Respiratory organs
C.Digestive organs
D.Reproductive organs
Aphelinus mali has been a successful parasite in controlling:
A.Tobacco caterpiller
B.Apple wolly aphis
C.Maize stem borer
D.Sugarcane top borer
Gughia weevil is a pest of:
A.Paddy
B.Wheat
C.Jowar
D.Maize
Fossil records indicate that insect evolved during:
A.Cambrian period
B.Devonian period
C.Silurian period
D.Precambrian period
