21. The process of leaving off the colony by queen is known as
22. Which scientist studied the method of communication in honey bees
23. Which of the following repellent is used against termites?
24. Didelphic, prodelphic ovaries are found in
25. Sterile insect technique was first time proposed in the year 1937 by
26. Minifumes (ethylene bromide) are the tablets manufactured by
27. Central plant protection training institute is located at
28. Chagas disease is transmitted by
29. Vitellogenesis is regulated by which hormone?
30. Bacillus thuringiensis was discovered by
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