plant pathology MCQs – Page 2

Practise focused plant pathology questions with marked answers for exam preparation and subject revision.

plant pathology Mcqs
21. Insect body is divided in to_____________________?
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A. 10 regions

B. 2 regions

C. 3 regions

D. 5 regions

22. The sucking type insects pesis are controlled by________________?
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A. Chlorinated hydrocarbons

B. Pyrethroids

C. Organo-phosphatcs

D. Botanical pesticides

23. The insects have__________________?
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A. 2 pair of wings and 2 pair of legs

B. 2 pair of wings and 3 pair of legs

C. None of the above

D. 3 pair of wings and 2 pair of legs

24. The substance used to treat pesticide poisoning is called as_________________?
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A. Anti-pseudo

B. Detoxicant

C. Anti-poison

D. Antitode
25. Malpighian tubules are organs of_________________?
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A. Digestion

B. None of the above

C. Excretion

D. Secretion

26. Which of the following are cold blooded animals___________________?
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A. Protozon

B. Rodents

C. Human beings

D. Insects
27. Schistocerca gregaria is the name of________________?
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A. Aphid

B. Army worms

C. Locust

D. Cutworms

28. The insects which transfer disease from one plant to another is known as__________________?
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A. Vector

B. Disease transmitter

C. Pest

D. Parasite

29. Trachea in insects are the organ of___________________?
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A. Excretion

B. Digestion

C. Secretion

D. Respiration
30. the most devastating migratory pest is____________________?
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A. Army worm

B. None of the above

C. Locust

D. Cutworm

31. Gurdaspur borer is pest of__________________?
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A. Wheat

B. Sugarcane

C. Rice

D. Okra

32. Lathyrism is nervous disease caused by____________________?
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A. Consumption of matter over longer periods

B. All the above

C. Consumption of high carbohydrate foods

D. Low protein foods

33. The viral disease can be controlled by_________________?
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A. Organo-chlorine pesticides

B. Pyrethroids

C. None of the above

D. Growing resistant varieties
34. The sucking type insects of cotton are________________?
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A. Jassids and thrips

B. Thrips and whitefly

C. All the above

D. Wlutefly and jassids

35. The granular formulation are commonly applied to control_______________?
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A. Jassids and thrips

B. Leaf minors

C. Fruit and stem borers

D. Whitefly

36. Bemesia tabbaci is the name of_________________?
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A. Jassids

B. White fly

C. Thrips

D. Cutworms

37. The heart like pumping organ in insect is_________________?
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A. None of the above

B. Dorsal Vessel

C. Spiracles

D. Vena Cava

38. The sucking type insects of cotton are ________________?
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A. Jassids and thrips

B. All the above

C. Wlutefly and jassids

D. Thrips and whitefly

39. Heliothus armigera is the name of_____________________?
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A. Gram pod borer

B. American boll warm

C. Com cob borer

D. None of the above
40. The main pest of fruit in Pakistan is_________________?
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A. Leaf minor

B. Scale insects

C. Fruit fly

D. Hoppers