Silk is produced by_____________insect ?
Silk is produced by_____________insect ?
A. Laceifer lacae
B. Bombyx mori
C. Apis cerana
D. Apis dorsata
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The amount of pest induced injury to the crop which will justify the cost of artificial control measures is called________________?
The amount of pest induced injury to the crop which will justify the cost of artificial control measures is called________________?A. Economic damage
B. Economic threshold
C. Economic injury level
D. None of the AboveThe parasites whose hosis are also parasites collectively termed as___________________?
The parasites whose hosis are also parasites collectively termed as___________________?A. Hyperparasites
B. Phytophagous parasites
C. Heteroxenous parasites
D. None of the AboveSyrphid flies have type of larvae________________?
Syrphid flies have type of larvae________________?A. Platy form
B. Carabiform
C. vermiform
D. EruiformIt is a nitrogenous polysaccharides which are more than 50% of substance of cuticle is called___________________?
It is a nitrogenous polysaccharides which are more than 50% of substance of cuticle is called___________________?A. Sclerotion
B. Resilin
C. Chitin
D. CuticulinAntecedents prevent pest to cause damage called___________________?
Antecedents prevent pest to cause damage called___________________?A. Sterilant
B. Protectant
C. Systemic
D. ContactCostal margin of wing of insect is________________?
Costal margin of wing of insect is________________?A. Frontal margin
B. Outer margin
C. Hinder margin
D. Inner margin