plant pathology Mcqs
51. The whole body of fungus is known as________________?
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A. Septale

B. Mycellium

C. Thallus

D. Hyphae

52. ____________ converts ammonia into nitrite?
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A. Azotobacter

B. Nitrobacter

C. Rhizobium

D. Nitrosomonas
53. The pesticide poisoning with organo-phosphates or carbamater treated with________________?
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A. Milk and hot water

B. None of the above

C. Atropine

D. Vomiting with brackishy

54. Formulation or insecticides is__________________?
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A. EC

B. Fungiments

C. Dust

D. Granular

55. Fungi damage our crops by_________________?
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A. Producing toxic substances in plants

B. feeding on flowers and fruits

C. Absorption of nutrients from plant tissues

D. Destroying green pigment of plant

56. Gummosis is the disease of_________________?
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A. none

B. Guava

C. Citrus (Lemon)

D. Mango

57. Leaf spot or tikka is the disease of____________________?
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A. Ground nuts

B. Sunflower

C. Soybean

D. none of these

58. The fungi are plants which can not prepare their food because__________________?
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A. They have no chlorophyll

B. They are very small

C. They are parasites

D. All the above

59. The Tree sends down roots from its branches to the soil is known as:___________?
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A. Oak

B. Banyan

C. Palm

D. Pine

60. Erysiphe caused the _________ disease?
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A. Powdery mildews

B. Late blight of potato

C. Covered smut

D. Downy mildews

61. The technical name of jassid is_________________?
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A. Amrosca devestons

B. Aphis gossypi

C. Earias insulana

D. Microtermas sp

62. The coprophilic fungi inhabit:
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A. Deadwood

B. Food articles

C. Decaying leaves

D. Dung substratum (herbivore feces)
63. Bombyx morri is the name of___________________?
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A. Silk worm

B. Lady bird beetle

C. Honey bee

D. None of the above

64. The major viral disease of cotton is____________________?
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A. Cotton boll rot virus

B. Cotton leaf curl virus

C. Cotton stem crinkle virus

D. None of the above

65. Dormancy of insects in summer is called________________?
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A. Aestivation

B. Thanolasis

C. Ecdysiast

D. Hibernation

66. Pathogen is_________________?
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A. Any virus which causes disease

B. Any organism which causes disease

C. Fungi which cause disease

D. Any bacteria which causes disease

67. The major disease of matter (field pea) is____________________?
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A. None

B. Downy mildew

C. Blight

D. Powdery mildew
68. Organo-chlorine insecticides includes___________________?
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A. Aldrin and Diehydrin

B. DDT

C. All the above

D. Aindone and Heptachlor

69. The insecticides with longest residual effect belongs to___________________?
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A. Organio-phosphate

B. Organo-chlorine

C. Carbamates

D. Pyrethroid

70. Which one of the following is polyphagus insect__________________?
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A. American boll worm

B. Whitefly

C. Aphids

D. A
71. White rust of crucifers is caused by__________________?
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A. Pemospora Parasitica

B. Albugo candida

C. Alternarian solani

D. Aspergillus niger

72. Root knot disease is caused by___________________?
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A. Bacteria

B. Fungi

C. Virus

D. Nematodes
73. The study of fungi is called__________________?
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A. Genetics

B. Pathology

C. Fungicology

D. Mycology