Entomology Multiple Choice Objective Questions are very important for all major competitive Exams. It is a very important branch of agriculture. All major entrance exams such as JRF, SRF, NET, CET and RAS include MCQ’s from Entomology.
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Last Updated: 07/07/2021, at 01:16 pm, IST.
Insect-pests of Winter Crops MCQ 01
Insect-pests of Winter Vegetable MCQ 02
Number of Questions Added: 10, #91-100.
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PART 02: Online Mock Test
PART 03: Entomology Multiple Choice Objective Questions
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Question – #1. Which is not a natural predator of BPH?
(a). Spiders.
(b). Mirid bugs.
(c). Red ants.
(d). All of the above.
Question – #2. Grassy stunt virus disease is caused by?
(a). BPH.
(b). Green leafhoppers.
(c). White rice leafhoppers.
(d). Zig-zag leafhoppers.
Question – #3. The vector of ‘Orange leaf’ disease in rice is?
(a). Zig-zag leafhoppers.
(b). Pink stem borer.
(c). Pink ants.
(d). Pale-headed stripe borer.
Question – #4. The virus disease tungro is associated with?
(a). BPH.
(b). White backed planthopper.
(c). Green leafhoppers.
(d). Rice blue leafhoppers.
Question – #5. Trichogramma japonic_m is used mainly as bio-control agent of which insect in rice?
(a). Rice caseworm.
(b). Rice leaf-folder.
(c). Pink stem borer.
(d). BPH.
Question – #6. Which is the scientific name and family of BPH?
(a). Nilaparvata lugens, Delphacidae.
(b). Sogafera furcifera, Delphacidae.
(c). N. virescens, Cicadellidae.
(d). Cofana spectra, Cicadellidae.
Question – #7. Which stage of BPH causes damage to paddy crop?
(a). Only adults.
(b). Only nymphs.
(c). Both a and b.
(d). Only male.
Question – #8. The ETL for BPH is?
(a). 5-10 insects per hill.
(b). 2-3 insects per hill.
(c). 1 insect per hill.
(d). 10-15 insects per hill.
Question – #9. Proper management practice for BPH is?
(a). Wider spacing, alternate drying of field, making alleys.
(b). Closer spacing, regular drying of field.
(c). Either a or b.
(d). Late sowing of rice.
Question – #10. Hopper burn is a plant damage symptom which is caused by?
(a). Sogatella furcifera.
(b). Nilaparvata lugens.
(c). Nephotettix virescens.
(d). Chodana spectra.
Question – #11. The egg of Painted bug is parasitized by?
(a). Grayon sp.
(b). Alophora sp.
(c). Trichogramma.
(d). All of the above.
Question – #12. Which insect transfers the virus of rossette disease in groundnut?
(a). Groundnut leaf miner.
(b). White grub.
(c). Thrips.
(d). Groundnut aphid.
Question – #13. Which is a insect vector of clover phyllody?
(a). Aphrodes albifrons.
(b). Graminella nigrifrons.
(c). Macrosteles cristata.
(d). All of the above.
Question – #14. What is the scientific name of insect vector which carries phytoplasma of BLL?
(a). Stephanitis typica.
(b). Cestius phycitis.
(c). Recilia dorsalis.
(d). None of the above.
Question – #15. Corn stunt in maize crop is caused by?
(a). Phytoplasma.
(b). Virus.
(c). Bacteria.
(d). Fungi.
Question – #16. Fire blight is a disease of?
(a). Sun flower.
(b). Apple.
(c). Grapes.
(d). Carrot.
Question – #17. Non-persistent viruses are transmitted through…….?
(a). Contaminants of insect’s mouth parts.
(b). Legs of vector insects.
(c). Anterior region of the gut of a vector.
(d). All of the above.
Question – #18. For the control of Helicoverpa armigera which stage of Chrysoperla carnea is released?
(a). 1st instar.
(b). 2nd star.
(c). Both a and b.
(d). all of the above.
Question – #19. Leaf curl of tobacco is caused by?
(a). Thrips.
(b). White fly.
(c). Jassid.
(d). Aphid.
Question – #20. Synomones is a defense mechanism in which….?
(a). A plant pooduces toxic substance.
(b). A plant produces substance which changes feeding behavior of pest.
(c). A plant produces substance which attracts natural enemies.
(d). None of the above.
Question – #21. Which group of insects are more difficult to control by insecticide?
(a). Scale insects.
(b). Aphid.
(c). Thrips.
(d). Larvae.
Question – #22. The science of study of honey bee is known as?
(a). Apiary.
(b). Apiculture.
(c). Melittology.
(d). All of the above.
Question – #23. Insects collected for specimen are killed by using?
(a). Potassium cyanide.
(b). Cyanide.
(c). Formalin.
(d). EDB.
Question – #24. Regular pest can bedefined as?
(a). Abundance in all season.
(b). Abundance during crop season.
(c). Either a or b.
(d). None of the above.
Question- #25. Pheromone is available against which insect?
(a). Cabbage moth.
(b). Bollworm.
(c). Apple fruit moth.
(b). Citrus cutworm.
Question- #26. What is the purpose of using pheromones?
(a). Monitoring.
(b). Mating disruption.
(c). Pest control.
(d). All of the above.
Question- #27. Which irrigation system helps to control potato tuber moth in field?
(a). Drip irrigation.
(b). Flood irrigation.
(c). Sprinkler irrigation.
(d). None of the above.
Question- #28. Ovicides are used to destroy?
(a). Ovary of harmful insects.
(b). Eggs of harmful insects.
(c). Larvae of harmful insects.
(d). None of the above.
Question- #29. Scientific name of wild silkmoth is?
(a). Bombyx croesi.
(b). Bombyx mandarina.
(c). Bombyx brunnea.
(d). Bombyx sinensis.
Question- #30. White fly is a vector of….?
(a). Okra YVM.
(b). Seasame Leaf Curl.
(c). Tobacco Leaf Curl.
(d). All of the above.
Question- #31. Which is an outdoor bin?
(a). Pusa bin.
(b). Pucca kothi.
(c). Paddy straw-mud structure.
(d). All of the above.
Question- #32. In which storage structure food-grains remain safe from insect attack?
(a). Pusa bin.
(b). Cement ring bins.
(c). VPS.
(d). Ferro cement bins.
Question- #33. Which is true for butterflies?
(a). Pupae are naked.
(b). Ocelli is absent.
(c). Both a and b.
(d). Comb like antennae.
Question- #34. Which is true for moths?
(a). Ocelli is present, 2.
(b). Usually night-fliers.
(c). Relatively large body.
(d). All of the above.
Question- #35. Scientific name of dusky cotton bug is?
(a). Phenacoccus solenopsis.
(b). Dysdercus koenigii.
(c). Oxycarenus laetus.
(d). Anomis flava.
Question- #36. A lower LD50 is indicative of…..
(a). Increased toxicity.
(b). Decreased toxicity.
(c). Safe zone.
(d). Non of the above.
Question- #37. Bees are not found one of which place?
(a). Australia.
(b). Africa.
(c). South America.
(d). Antarctica.
Question- #38. Which is true about the lac insect?
(a). It is beneficial for host plant.
(b). It is harmful for host plant.
(c). Neither harmful nor beneficial.
(d). All of the above.
Question- #39. Shellac is made from?
(a). Broodlac.
(b). Sticklac.
(c). Seedlac.
(d). All of the above.
Question- #40. Which pesticide is banned in India?
(a). Methyl parathion.
(b). Sodium cyanide.
(c). B.H.C.
(d). All of the above.
Question- #41. Trichogramma is a…….?
(a). Endoparasitoides of insect eggs.
(b). Ectoparasitoides of insect eggs.
(c). Endo-ecto parasitoides of insect eggs.
(d). None of the above.
Question- #42. Flaring of squares in cotton is due to?
(a). Pink bollworm.
(b). American bollworm.
(c). Spotted bollworm.
(d). Red cotton bug.
Question- #43. Clorpyrifos was first patented in the year?
(a). 1966.
(b). 2000.
(c). 2004.
(d). 1980.
Question- #44. Insecticide act was passed in the year?
(a). 1966.
(b). 1967.
(c). 1968.
(d). 1969.
Question- #45. Plant aphids are more destructive in…..?
(a). Tropical region.
(b). Temperate region.
(c). Region of high rainfall.
(d). All of the above.
Question- #46. Which is broad spectrum approach of pest control?
(a). Biological control.
(b). Chemical method.
(c). IPC.
(d). Both a and C.
Question- #47. Lady bird beetle is a predator of….?
(a). Aphid.
(b). Scale insects.
(c). Mites.
(d). All of the above.
Question- #48. Which is not a rodent?
(a). Gerbils.
(b). Pikas.
(c). Hamsters.
(d). Possums.
Question- #49. Ariel application was first applied in which country?
(a). Egypt.
(b). China.
(c). USA.
(d). Israel.
Question- #50. Superheating of godown is done at….?
(a). 50 ℃ for 10-12 hours.
(b). 100 ℃ for 12 hours.
(c). 50 ℃ for 24 hours.
(d). 100 ℃ for 6 hours.
Question- #51. Total genera of lac insects are?
(a). 2.
(b). 4.
(c). 3.
(d). 6.
Question- #52. Group of wingless insect is?
(a). Thysanura.
(b). Diplura.
(c). Collembola.
(d). All of the above.
Question- #53. The concept of biotic school was given by?
(a). Howard and Fiske.
(b). Nicholson.
(c). Smith.
(d). Bodenheimer.
Question- #54. Trap crop sown along with tobacco crop is?
(a). Castor.
(b). Jatropa.
(c). Cotton.
(d). Okra.
Question- #55. Which is not a hemimetabolous pest?
(a). Whitefly.
(b). Leaf hoppers.
(c). Aphids.
(d). Lemon butterfly.
Question- #56. Associate Certified Entomologist is related with?
(a). Pest control.
(b). Crop-insect relationship.
(c). Pest surveillance.
(d). All of the above.
Question- #57. Scientific name of whorl maggot is?
(a). Pelopidas mathias.
(b). Spodoptera spp.
(c). Leptocorisa acuta.
(d). Hydrellia sasakii.
Question- #58. The hind legs of honey bee are known as?
(a). Lema.
(b). Auricle.
(c). Apicle.
(d). None of the above.
Question 59. PKV bins are made from..?
(a). Cement.
(b). Pady straw.
(c). Green bamboo.
(d). Mud.
Question 60. Pusa bin is modification of..?
(a). Mud structure.
(b). Kothar.
(c). Udaipur bin.
(d). None of the above.
Question 61. Bud necrosis in groundnut is transmitted by..?
(a). Aphid.
(b). Thrips.
(c). Fruit fly.
(d). Non of the above.
Question 62. Rice gundhi bug attacks on..?
(a). Flowering stage.
(b). Grain feeling stage.
(c). Crown initiation stage.
(d). Milky stage.
Question 63. Bt was introduced in India in the year..?
(a). 2002.
(b). 2003.
(c). 2004.
(d). 2001.
Question 64. Pitfall traps are used for..?
(a). Capturing tree insects.
(b). Capturing field insects.
(c). Capturing storage insect-pests.
(d). Both a and b.
Question 65. The Destructive Insect Pest Act was enacted in the year..?
(a). 1912.
(b). 1914.
(c). 1915.
(d). 1910.
Question 66. Stick insects belong to which order..?
(a). Protura.
(b). Odonata.
(c). Isoptera
(d). Phamatodea.
Question 67. Scientific name of wax moth is..?
(a). Opodiphtheraeucalypti.
(b). Galleria melonella.
(c). Tenymecus indicus.
(d). None of the above.
Question 68. Consider about mango stem borer..
- Grub tunnels in the sapwood on the trunk or branches.
- Grub tunnels in the sapwood on the trunk only.
- Wilting of branches or entire tree.
- Wilting of entire tree.
(a). 1 and 3 are true.
(b). 1 and 4 are true.
(c). 2 and 3 are true.
(d). 2 and 4 are true.
Question 69. Major incidence of lemon butterfly can be seen during?
(a). Rainy season.
(b). Winter season.
(c). Summer season.
(d). All of the above.
Question 70. Heliothis armigera from Lepidopteran group is..?
(a). Least damaging insect.
(b). Moderate damaging insect.
(c). Highly damaging insect.
(d). No damage at all.
Question 71. Phorate 10G has..?
(a). Red colour triangular sign.
(b). Yellow colour triangular sign.
(c). Green colour triangular sign.
(d). All of the above.
Question 72. Harmful effect of DDT can be seen as..?
(a). Prolonged persistent in air.
(b). Prolonged persistent in soil.
(c). Prolonged persistent in water.
(d). Prolonged persistent in plants.
Question 73. Consider about rice gundhi bug…
- It has proboscis.
- It is classified as broad headed insect.
- It is classified as narrow headed insect.
- Belongs to family pyralidae.
Select right option..
(a). 1 and 2 are true.
(b). 1 and 3 are true.
(c). 1, 2 and 4 are true.
(d). 1, 3 and 4 are true.
Question 74. Ditylenechus angustus causes…?
(a). Blight in rice.
(b). Blunt in rice.
(c). Ufra disease in rice.
(d). Khaira in rice.
Question 75. …. is an Indian entomologist of British origin?
(a). William Stephen Atkinson.
(b). Henry Walter.
(c). John Amil.
(d). Charles Jean.
Question 76. The maize weevil invests..?
(a). Only raw cereals.
(b). Only processed cereals.
(c). Both a and b.
(d). None of the above.
Question 77. Bt cotton is resistant to..?
(a). Heliothis.
(b). Spodoptera.
(c). Both a and b.
(d). None of the above.
Question 78. H. armigera is a..?
(a). Polyphagous pest.
(b). Monophagous pest.
(c). Oligophagous pest.
(d). None of the above.
Question 79. Phorate is used as a/an..?
(a). Acaricide.
(b). Insecticide.
(c). Both a and b.
(d). Nematocide.
Question 80. Carbaryl has..?
(a). Red label.
(b). Blue label.
(c). Green label.
(d). Yellow label.
Question 81. Trichogramma is a/an..?
(a). Larval parasitoid.
(b). Egg parasitoid.
(c). Pupal parasitoid.
(d). None of the above.
Question 82. Type of antennae in silk moth is..?
(a). Saw like.
(b). Comb like.
(c). Double comb like
(d). None of the above.
Question 83. Wing type of thrip is..?
(a). Fringed wing.
(b). Halteres.
(c). Elytra.
(d). Scaly.
Question 84. Vector of cuc_mber mosaic virus is..?
(a). Aphis gosypii.
(b). Aphis craccivora.
(c). Aphis rumicis.
(d). Aphis fabae.
Question 85. Which has rat-proof metal base..?
(a). Domestic bin.
(b). Gharelu theka.
(c). Pucca kothi.
(d). None of the above.
Question 86. Which is a minor pest of stored grain pest?
(a). Tobacco beetle.
(b). The cadelle.
(c). Waterhouse.
(d). All of the above.
Question 87. Double seed formation in cotton is caused by..?
(a). Dusky cotton bug.
(b). Whitefly.
(c). Pink bollworm.
(d). Thrips.
Question 88. Bombyxmori is native to..?
(a). Eastern China.
(b). Western China.
(c). Southern China.
(d). Northern China.
Question 89. … is an insect growth regulator?
(a). Anti Juvenile Hormones.
(b). Chitin.
(c). Both a and b.
(d). None of the above.
Question 90. The fluorescent lamp is a..?
(a). High pressure mercury vapor lamp.
(b). Low pressure mercury vapor lamp.
(c). Low pressure Co2 lamp.
(d). High pressure Co2 lamp.
Question 91. Which is root lesion nematode?
(a). Heterodera.
(b). Meloidogyne.
(c). Anguina.
(d). None of the above.
Question 92. The population theories are grouped in..?
(a). 3 school of thought.
(b). 5 school of thought.
(c). 4 school of thought.
(d). 2 school of thought.
Question 93. Who was appointed as the first Entomologist to the Government of India..?
(a). L. de Niceville.
(b). M. Afzal.
(c). S. G. Koenig.
(d). H. S. Pruthi.
Question 94. The scientific name of white grub of groundnut is..?
(a). Dysdercus koenigii.
(b). Oberea brevis.
(c). Holotrachia conseguina.
(d). Helicoverpa armigera.
Question 95. The sticky band around mango tree trunk is against..?
(a). Mango fruit fly.
(b). Stem borer.
(c). Mango mealy bug.
(d). None of the above.
Question 96. The pilot project on IPM were conducted from..?
(a). 1950 – 1965.
(b). 1975 – 1980.
(c). 1960 – 1975.
(d). 1980 – 1990.
Question 97. The only important crop of coriander is..?
(a). Aphid.
(b). Mite.
(c). Thrips.
(d). White fly.
Question 98. The larger circular bore holes with faecal pellets in cotton is formed by..?
(a). American bollworm.
(b). Pink bollworm.
(c). Spotted bollworm.
(d). Red cotton bug.
Question 99. The pest which attacks all the parts of the plant..?
(a). Nematode.
(b). Fly.
(c). Termite.
(d). Beetle.
Question 100. Ekalux is the trade name of..?
(a). Quinalphos.
(b). Phosalone.
(c). Fenthion.
(d). Chlorpyriphos.
Last Updated: 07-07-2021.
Insect-pests of Winter Crops MCQ 01
Insect-pests of Winter Vegetable MCQ 02
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