Entomology — MCQs January 8, 2026August 22, 2025 by u930973931_answers 50 Score: 0 Attempted: 0/50 Subscribe 1. The study of insects is called: (A) Ornithology (B) Entomology (C) Helminthology (D) Mycology 2. Insects belong to which phylum? (A) Annelida (B) Mollusca (C) Arthropoda (D) Chordata 3. The body of an insect is divided into: (A) Head, thorax, abdomen (B) Head, chest, tail (C) Head, neck, abdomen (D) Cephalothorax and abdomen 4. How many legs does an insect have? (A) 4 (B) 6 (C) 8 (D) 10 5. Which insect transmits malaria? (A) Culex mosquito (B) Aedes mosquito (C) Anopheles mosquito (D) Sandfly 6. The vector of dengue fever is: (A) Anopheles (B) Culex (C) Aedes aegypti (D) Tabanus 7. The causative agent of sleeping sickness is transmitted by: (A) Tsetse fly (B) Sandfly (C) Housefly (D) Mosquito 8. Which insect transmits kala-azar (visceral leishmaniasis)? (A) Anopheles (B) Aedes (C) Sandfly (D) Blackfly 9. The vector of river blindness (Onchocerciasis) is: (A) Tsetse fly (B) Blackfly (C) Sandfly (D) Culex mosquito 10. The housefly transmits diseases mainly by: (A) Biting (B) Mechanical transmission (C) Injecting saliva (D) Reproductive cycle 11. Which insect is known as the “kissing bug”? (A) Glossina (B) Triatoma (C) Simulium (D) Phlebotomus 12. The kissing bug transmits: (A) Malaria (B) Chagas disease (C) Filariasis (D) Dengue 13. The causative agent of plague is transmitted by: (A) Rat flea (B) Housefly (C) Tsetse fly (D) Mosquito 14. Pediculus humanus transmits: (A) Malaria (B) Typhus fever (C) Kala-azar (D) Sleeping sickness 15. Tungiasis is caused by: (A) Pediculus humanus (B) Tunga penetrans (C) Cimex lectularius (D) Sarcoptes scabiei 16. Cimex lectularius is commonly known as: (A) Bedbug (B) Flea (C) Tick (D) Louse 17. The scientific name of the head louse is: (A) Tunga penetrans (B) Pediculus humanus capitis (C) Pulex irritans (D) Ctenocephalides felis 18. Myiasis is caused by: (A) Fleas (B) Mosquitoes (C) Fly larvae (D) Bedbugs 19. Which insect transmits yellow fever? (A) Aedes aegypti (B) Anopheles (C) Sandfly (D) Tsetse fly 20. Which insect transmits filariasis? (A) Aedes (B) Culex (C) Sandfly (D) Blackfly 21. Glossina species are commonly known as: (A) Housefly (B) Sandfly (C) Tsetse fly (D) Blackfly 22. Which arthropod transmits Lyme disease? (A) Flea (B) Tick (C) Louse (D) Bedbug 23. The term “complete metamorphosis” in insects means: (A) Egg → Nymph → Adult (B) Egg → Larva → Pupa → Adult (C) Egg → Pupa → Adult (D) Egg → Adult directly 24. The term “incomplete metamorphosis” means: (A) Egg → Larva → Pupa → Adult (B) Egg → Nymph → Adult (C) Egg → Adult directly (D) Egg → Larva → Adult 25. Which mosquito has spotted wings? (A) Anopheles (B) Culex (C) Aedes (D) Mansonia 26. Which mosquito rests with its body at an angle to the surface? (A) Aedes (B) Anopheles (C) Culex (D) Mansonia 27. Which mosquito transmits Japanese encephalitis? (A) Aedes (B) Anopheles (C) Culex (D) Mansonia 28. Pulex irritans is the: (A) Human flea (B) Dog flea (C) Cat flea (D) Rat flea 29. Ctenocephalides felis is the: (A) Human flea (B) Dog flea (C) Cat flea (D) Sand flea 30. Ctenocephalides canis is the: (A) Human flea (B) Dog flea (C) Cat flea (D) Sand flea 31. Which insect transmits relapsing fever? (A) Louse (B) Tick (C) Flea (D) Sandfly 32. Xenopsylla cheopis is the vector of: (A) Chikungunya (B) Plague (C) Dengue (D) Malaria 33. Sandflies belong to genus: (A) Phlebotomus (B) Glossina (C) Culex (D) Simulium 34. Blackflies belong to genus: (A) Phlebotomus (B) Glossina (C) Culex (D) Simulium 35. Which insect causes nuisance but does not transmit disease? (A) Housefly (B) Bedbug (C) Rat flea (D) Tick 36. Which arthropod causes scabies? (A) Louse (B) Mite (C) Flea (D) Tick 37. Hard ticks are also known as: (A) Ixodid ticks (B) Argasid ticks (C) Soft ticks (D) Mites 38. Soft ticks are also known as: (A) Ixodid ticks (B) Argasid ticks (C) Mites (D) Fleas 39. Which insect transmits scrub typhus? (A) Tick (B) Mite (chigger) (C) Flea (D) Sandfly 40. Which mosquito has lyre-shaped markings on its thorax? (A) Aedes aegypti (B) Anopheles (C) Culex (D) Mansonia 41. Which arthropod transmits tularemia? (A) Flea (B) Tick (C) Louse (D) Bedbug 42. Which mosquito breeds in clean water collections? (A) Aedes (B) Culex (C) Anopheles (D) Mansonia 43. Which mosquito breeds in dirty water? (A) Aedes (B) Anopheles (C) Culex (D) Mansonia 44. Which mosquito breeds in artificial containers? (A) Aedes aegypti (B) Culex (C) Anopheles (D) Mansonia 45. Which insect transmits louse-borne relapsing fever? (A) Pediculus humanus (B) Pulex irritans (C) Tunga penetrans (D) Cimex lectularius 46. Which arthropod transmits Rocky Mountain spotted fever? (A) Flea (B) Tick (C) Mite (D) Sandfly 47. Which insect is most important in forensic entomology? (A) Housefly (B) Blowfly (C) Bedbug (D) Flea 48. Which insect causes “creeping eruption”? (A) Tick (B) Sandfly (C) Larvae of hookworm in skin (D) Flea 49. Which insect transmits Zika virus? (A) Anopheles (B) Culex (C) Aedes aegypti (D) Sandfly 50. Which insect transmits West Nile virus? (A) Anopheles (B) Culex mosquito (C) Aedes aegypti (D) Tsetse fly