21. Carrot broth method is used for mass multiplication of
22. Example of an insect order in which nymphs are called naids
23. In insects the 1st pair of post oral appendages are
24. Atropine is alan
25. Dasineura lini is the pest of
26. Paedogenesis is basically a type of
27. Nibbling of rice earhead and defoliation leaving midrib in rice is caused by
28. Silk gland is a modified part of labial gland and . . . . . . . . in origin.
29. Sudden trapping is used for
30. Number of nymphal stages is Acarina is
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