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.
NOTE: This page is updated every Monday (Morning). Number of questions in each update – 1 to 10.
Last Updated: 28/10/2019, at 08:06 am IST.
Number of Questions Added: #55-56.
Entomology Multiple Choice Objective Questions –
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 japonicum 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). Non 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). Non 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). Non 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). Non 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). Non 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). Non 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.
NOTE: This page is updated every Monday (Morning). Number of questions in each update – 1 to 10.
Last Updated: 28/10/2019 at 08:06 am IST.
New Question Added: #55-56.
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