entomology MCQs – Page 5

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

entomology Mcqs

81. Which one of the following produces silk?
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A. Dysdercus koenigi

B. Bombyx mori

C. Both a & b

D. None of the above

82. Tentorium is____________________?
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A. Exoskeleton of head

B. None of the above

C. Internal skeleton of head

D. Internal skeleton

83. Against sucking and chewing insect pest we apply___________________?
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A. Endosulfan, Deltamethrin, Dimethoate

B. Cypermethrin, Permethrin,Malathion

C. All the above

D. Monocrotophos, Diazinon, Profenophos

84. A chemical or secretions which are thrown outside the body for transmitting message to the individual of same species is_________________?
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A. Juvinile Hormone

B. Hormone

C. Ecdysone

D. Pheromone

85. What is T.S.O ?
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A. Technical scientific officer

B. None of the Above

C. Tehsil sale officer

D. Technical sales officer

86. Reduction in pest population by the utilization of agricultural practices to make the environment unfavorable for pest is called__________________?
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A. Natural control

B. Physical control

C. Mechanical control

D. Cultural control

87. Which is the strongest animal of the world_________________?
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A. Ants

B. Whales

C. Elephants

D. Beetles

88. Against Lepidopterous larvae we apply_________________?
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A. All the above

B. Formothion

C. Methamidohpos

D. Lefenuron, Chlorfluazuron, Flufenoxum

89. Best example of parasites are ___________________?
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A. Ichneumon, Fleas

B. Cotesia sp

C. All of above

D. Trichograma sp, Horse flie

90. The spreading habit of the crop caused by insect which makes cultivation, weeding and harvesting more difficult is process of________________?
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A. Fore casting

B. Surveillance

C. Pest scouting

D. Haemospora

91. The use of two or more pest control method except chemical control in a planned way to control pests is called__________________?
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A. Integrated pest control

B. Integrated insect pest management

C. Integrated pest management

D. Pest resource

92. The group of pesticide which makes pest unable to reproduce is called_________________?
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A. Protectant

B. Selective

C. Fumigants

D. Sterilant

93. Main kind of insect pests are___________________?
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A. Key pest

B. Migrant pest and potential pest

C. All the above

D. Major pest and minor pest

94. A chemical which causes plant does it called __________________?
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A. Bait

B. Defoliant

C. Acute poisoning

D. Chronic poisoning

95. The fleas do _____________________?
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A. May or may not fly

B. non of these

C. Fly

D. Never flown

96. A chemical which attracts pest to a trap is called__________________?
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A. Defoliant

B. Acute poisoning

C. Chronic poisoning

D. Bait

97. The rapid reappearance of the pest population in injurious number is called_________________?
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A. IPM

B. IPC

C. Pest resurgence

D. Pest outbreak

98. Locomotion in response to odour is_________________?
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A. Klinokinesis

B. Stereokinesis

C. Chemokinesis

D. Hydrokinesis

99. The pest population at which control measure should be taken to prevent the pest population to build up to reach economic injury level is called_________________?
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A. None of the Above

B. Economic damage

C. Economic injury level

D. Economic threshold level

100. What is DDT__________________?
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A. Dichloro-diphenyl,trichloro,ethane

B. Dimethory diphenyl,trichloro,ethane

C. Dichloro diphenyl teracholoride

D. None of the Above

Showing 81 to 100 of 257 mcqs