31. Most common inorganic anion in insect blood
32. Gronim and Achook are commercial . . . . . . . . Insecticides of available market.
33. Fruit sucking moth lay eggs on
34. Ovipositor lure used for rice stem borer is
35. The chemical which is used to anaesthetize nematodes is
36. A group of caterpillars are called
37. Auto-sexing in silkworm is achieved through
38. The safest method of disposing off the left over pesticide is disposal by
39. Cochineal insects have proved very useful for
40. Which one of the following is used for fogs composed of very fine droplets?
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