plant pathology MCQs – Page 4

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

plant pathology Mcqs

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

Showing 61 to 73 of 73 mcqs