1. Parasitology is the study of:
(A) Insects
(B) Parasites and their hosts
(C) Birds
(D) Plants
2. A parasite is an organism that:
(A) Lives independently
(B) Lives on or in a host and benefits at the host’s expense
(C) Only helps the host
(D) Only reproduces in water
3. Ectoparasites live:
(A) On the surface of the host
(B) Inside the host
(C) In water only
(D) In soil only
4. Endoparasites live:
(A) On the surface
(B) Inside the host
(C) In soil
(D) In water
5. Permanent parasites:
(A) Remain in or on the host for their entire life
(B) Only visit the host occasionally
(C) Live freely
(D) Only feed on plants
6. Temporary parasites:
(A) Stay permanently
(B) Visit the host for feeding or reproduction
(C) Live freely
(D) Only infect plants
7. Facultative parasites:
(A) Only live in soil
(B) Must be parasitic
(C) Only live in water
(D) Can live freely but may become parasitic
8. Obligate parasites:
(A) Can live freely
(B) Cannot complete their life cycle without a host
(C) Only infect plants
(D) Only infect soil
9. A definitive host is:
(A) Where the parasite reaches sexual maturity
(B) Where the parasite grows but not sexually reproduces
(C) Only intermediate host
(D) Only accidental host
10. An intermediate host is:
(A) Where the parasite develops but does not reproduce sexually
(B) Where the parasite reproduces sexually
(C) Only accidental host
(D) Free-living stage
11. A vector is:
(A) A host only
(B) A parasite itself
(C) An organism that transmits a parasite to the host
(D) A free-living organism only
12. Mosquitoes are vectors for:
(A) Typhoid
(B) Malaria
(C) Cholera
(D) Tuberculosis
13. Plasmodium causes:
(A) Schistosomiasis
(B) Filariasis
(C) Trypanosomiasis
(D) Malaria
14. Wuchereria bancrofti causes:
(A) Lymphatic filariasis
(B) Malaria
(C) Leishmaniasis
(D) Sleeping sickness
15. Trypanosoma causes:
(A) Schistosomiasis
(B) Malaria
(C) Sleeping sickness
(D) Filariasis
16. Schistosoma causes:
(A) Schistosomiasis
(B) Malaria
(C) Leishmaniasis
(D) Filariasis
17. Leishmania causes:
(A) Leishmaniasis
(B) Malaria
(C) Filariasis
(D) Trypanosomiasis
18. Fasciola hepatica is a:
(A) Intestinal protozoan
(B) Blood fluke
(C) Liver fluke
(D) Nematode
19. Blood flukes belong to genus:
(A) Schistosoma
(B) Fasciola
(C) Plasmodium
(D) Trypanosoma
20. Tapeworms belong to phylum:
(A) Nematoda
(B) Platyhelminthes
(C) Protozoa
(D) Annelida
21. Roundworms belong to phylum:
(A) Protozoa
(B) Platyhelminthes
(C) Nematoda
(D) Arthropoda
22. Protozoan parasites are:
(A) Bacteria
(B) Multicellular only
(C) Unicellular eukaryotes
(D) Viruses
23. Giardia lamblia causes:
(A) Leishmaniasis
(B) Malaria
(C) Filariasis
(D) Giardiasis
24. Entamoeba histolytica causes:
(A) Amoebic dysentery
(B) Malaria
(C) Leishmaniasis
(D) Sleeping sickness
25. Toxoplasma gondii causes:
(A) Filariasis
(B) Malaria
(C) Leishmaniasis
(D) Toxoplasmosis
26. Cryptosporidium causes:
(A) Malaria
(B) Cryptosporidiosis
(C) Filariasis
(D) Schistosomiasis
27. Parasitic infections can be transmitted by:
(A) Only air
(B) Water, food, vectors, direct contact
(C) Only soil
(D) Only plants
28. Ectoparasites include:
(A) Fasciola
(B) Plasmodium
(C) Ascaris
(D) Lice, fleas, ticks
29. Endoparasites include:
(A) Tapeworms, roundworms, flukes
(B) Lice
(C) Fleas
(D) Ticks
30. Zoonotic parasites are:
(A) Transmitted from animals to humans
(B) Only from humans
(C) Only from plants
(D) Only waterborne
31. Intermediate host of Plasmodium is:
(A) Dogs
(B) Humans
(C) Anopheles mosquito
(D) Snails
32. Definitive host of Plasmodium is:
(A) Snail
(B) Mosquito
(C) Human
(D) Fish
33. Vector control helps prevent:
(A) Only bacterial diseases
(B) Parasitic diseases
(C) Only viral diseases
(D) Only fungal diseases
34. Malaria parasites belong to phylum:
(A) Apicomplexa
(B) Nematoda
(C) Platyhelminthes
(D) Arthropoda
35. Schistosoma life cycle requires:
(A) Fly only
(B) Mosquito only
(C) Snail as intermediate host
(D) Fish only
36. Lymphatic filariasis is caused by:
(A) Wuchereria bancrofti
(B) Plasmodium
(C) Schistosoma
(D) Trypanosoma
37. Tapeworm infections occur by:
(A) Eating undercooked meat
(B) Drinking water
(C) Vector bite
(D) Direct contact
38. Intestinal amoebiasis occurs by:
(A) Tick bite
(B) Mosquito bite
(C) Ingesting cysts in contaminated food/water
(D) Fly bite
39. Protozoan trophozoite stage is:
(A) Dormant cyst
(B) Active feeding stage
(C) Egg stage
(D) Larval stage
40. Cyst stage of protozoa is:
(A) Adult stage
(B) Feeding stage
(C) Egg stage
(D) Dormant, resistant stage
41. Insect vectors transmit:
(A) Only fungal parasites
(B) Only bacterial parasites
(C) Protozoan, helminth, and viral parasites
(D) Only plant parasites
42. Human parasitic nematodes include:
(A) Fasciola only
(B) Ascaris, Ancylostoma, Trichuris
(C) Schistosoma only
(D) Plasmodium only
43. Human tapeworms include:
(A) Fasciola only
(B) Taenia solium and Taenia saginata
(C) Schistosoma only
(D) Plasmodium only
44. Fasciola hepatica infects:
(A) Lungs only
(B) Blood only
(C) Intestine only
(D) Liver of herbivorous mammals
45. Parasitic infections can be diagnosed by:
(A) Only ECG
(B) Only X-ray
(C) Only ultrasound
(D) Microscopy, serology, molecular tests
46. Helminth infections are treated by:
(A) Antivirals only
(B) Antibiotics only
(C) Anthelmintic drugs
(D) Antifungals only
47. Protozoan infections are treated by:
(A) Antifungals only
(B) Antibiotics only
(C) Antiprotozoal drugs
(D) Anthelmintics only
48. Vector-borne parasitic diseases can be prevented by:
(A) Vector control and protective measures
(B) Only vaccination
(C) Only antibiotics
(D) Only surgery
49. Zoonotic parasites include:
(A) Schistosoma only
(B) Plasmodium only
(C) Toxoplasma gondii and Trichinella
(D) Giardia only
50. Parasitology is important for:
(A) Only physiology
(B) Only anatomy studies
(C) Only genetics
(D) Understanding, preventing, and controlling diseases