1000+ Phylum - Platyhelminthes MCQ for CAT [Solved]

1. Miracidium is a larval stage in the development of
A. Taenia solium
B. Fasciola hepatica
C. Ascaris lumbricoides
D. Echinococcurs granulosus
Answer : B

2. Six-hooked embryo of Taenia is known as
A. onchosphere
B. hexacanth
C. embryophore
D. cysticercus
Answer : B

3. Free living platyhelminthic forms belong to the class
A. Turbellaria
B. Cestoda
C. Trematoda
D. Nematoda
Answer : A

4. Disease caused by helminth parasite is
A. filariasis
B. tuberculosis
C. cholera
D. diptheria
Answer : A

5. The most important fluke infestation of man is
A. filariasis
B. caused by tapeworms
C. caused by liver fluke
D. schistosomiasis or bilharziasis
Answer : D

6. A matured proglottid of Taenia means a
segment in which
A. only female organs are found
B. both male and female organs are found
C. only eggs are present and all other organs have degenerated
D. hexacanth embryos have been formed
Answer : C

7. Platyhelminthes are best described as
A. flatworms, triploblastic, acoelomate animals
B. flatworms, diploblastic, acoelomate animals
C. flatworms, triploblastic, coelomates
D. flat worms, pseudocoelomates
Answer : A

8. Roundworms differ from flatworms in having a
A. bilateral symmetry
B. cuticle
C. longitildinal nerve cord
D. pseudocoel
Answer : D

9. The cysticerci in pig muscles can remain alive for
A. 1 month
B. 6 months
C. 6 years
D. 2 years
Answer : C

10. Cysticercus or bladder worm is the larva of
A. liver fluke
B. planaria
C. tapeworm
D. roundworm
Answer : C

11. Tapeworms obtain their nutrition from the host by
A. sucking
B. scraping
C. absorption through integument
D. preparing own food.
Answer : C

12. In the life cycle of Taenia, the six hooks of hexacanth stage help in
A. sticking to the tongue of the intermediate host
B. boring through the wall of intestine of the intermediate host
C. boring through the wall of proglottid to be released on the grass
D. anchoring to the intestinal wall of intermediate host
Answer : C

13. The second host of Taenia solium is
A. pig
B. female anopheles
C. cow
D. culex
Answer : A

14. Fasciola hepatica is an endoparasite that lives in the
A. blood of sheep
B. spleen of sheep
C. liver of sheep
D. intestine of sheep
Answer : C

15. The embryos, oncospheres of .Taenia sag-ginata are released in
A. digestive tract of man
B. intestine of cattle
C. liver of man
D. liver of cattle
Answer : B

16. The correct sequence of various larvae in liver fluke is :
A. Miracidium, sporocyst, cercaria, redia, metacercaria
B. Miracidium, sporocyst, redia, cercaria, metacercaria
C. Sporocyst, redia, miracidium, cercaria, metacercaria
D. Cercaria, sporocyst, redia, miracidium, metacercaria
Answer : B

17. Rabidities are present in the cells of epidermis in
A. Turbellaria
B. Trematoda
C. Cestoda
D. All of these
Answer : A

18. A well developed nervous system and sense organs are present in members of the class
A. Turbellaria
B. Trematoda
C. Cestoda
D. None of these
Answer : A

19. The common pinworm of man, Enterobius vermicularis is found in
A. lymph vessels
B. ileum
C. colon and rectum
D. stomach
Answer : C

20. Which of the following is true ?
A. The male Fasciola hepatica has a single, branched testis
B. The female Fasciola hepatica has a pair of branched ovaries
C. Fasciola hepatica is hermaphrodite and has a pair of testis and a single ovary
D. None of these
Answer : C

21. The filaria parasite is transmitted by
A. female culex
B. male culex
C. female anopheles
D. male anopheles
Answer : A

22. The intermediate host of Fasciola is
A. Pig
B. Lamellidens
C. Helix
D. Limrea truncatula
Answer : B

23. Hexacanth is the embryo of
A. Tapeworm
B. Liver fluke
C. Ascaris
D. Dracunculus
Answer : A

24. Which of the following swim by ciliary action ?
A. Adult Fasciola
B. Miracidium larva of Fasciola
C. Miracidium and redia larva of Fasciola
D. Miracidium, redia and metacercaria larva of Fasciola
Answer : B

25. In Phylum Platyhelminthes, the excretory organs are
A. nephridia
B. malpighian tubules
C. flame cells (solenocytes)
D. green glands
Answer : C

26. In the life cycle of Taenia solium, the secondary host in pig which gets infection when it ingests faeces containing
A. hexacanth larva
B. onchospheres
C. cysticerci
D. bladder worts
Answer : B

27. Fasciola hepatica is a
A. Free living fluke
B. Ectoparasite
C. Endoparasite
D. Ecto and endoparasite
Answer : C

28. Suckers are structures of
A. Strobila
B. Proglottids
C. Scolex
D. Gravid proglottids
Answer : C

29. Wuchereria bancrofti is transmitted by
A. Sand fly
B. Tsetse fly
C. Anopheles mosquito
D. Culex mosquito
Answer : D

30. Flame cells are ciliated structures having to do with the function of
A. digestion
B. respiration
C. assimilation
D. excretion
Answer : D

31. The head region of tapeworm is known as
A. proglottid
B. rostellum
C. acetabulum
D. scolex
Answer : D

32. Flame cells are the excretory organs of animals belonging the phylum
A. protozoa
B. porifera
C. coelenterata
D. platyhelminthes
Answer : D

33. Microfilaria refer to
A. male Wuchereria bancrofti
B. female Wuchereria bancrofti
C. juveniles of Wuchereria
D. flame cells
Answer : C

34. Taenia solium lacks alimentary canal because
A. it does not require any food
B. it lives in intestine
C. it has saprozoic mode of feeding
D. it does not digest food
Answer : C

35. Nutrition in Taenia is
A. holozoic
B. halophytic
C. saprozoic
D. saprophytic
Answer : C

36. Dracunculus medinensis is commonly called
A. hookworm
B. guinea worm
C. whipworm
D. bookworm
Answer : B

37. Filarial larvae are found in men's
A. smear of spleen
B. biopsy of liver
C. peripheral blood at midnight
D. smear of intestinal contents
Answer : C

38. Scolex is a characteristic of
A. flatworms
B. tapeworms
C. roundworms
D. earthworms
Answer : B

39. A worm infestation is medicaly referred to as a
A. helminthiasis
B. filariasis
C. amoebiasis
D. tuberculosis
Answer : A

40. Worms of Phylum Platyhelminthes are triploblastic, but do not possess
A. a gastro vascular cavity
B. alimentary canal
C. mouth
D. body cavity
Answer : D

41. The tapeworm is anchored to the mucosa of small intestine by means of
A. proglottids
B. scolex
C. acetabuli
D. rostellum
Answer : D

42. Taenia solium poses no problem in
A. India
B. China
C. Pakistan
D. European countries
Answer : C

43. Flame cells are associated with excretory organs of
A. Ascaris
B. Dracunculus
C. Ancylostoma
D. Schistosoma
Answer : D

44. Elephantiasis in man is caused by
A. dracunculus (Guinea worm)
B. ancylostoma (Hookworm)
C. oxyuris (Pinworm)
D. microfilariae (Filaria worm)
Answer : D

45. The disease "Bilharzia" which is common in china and middle east is caused by
A. Blood fluke Schistosoma
B. Eschinostoma
C. Wuchereria
D. Taenia saginata
Answer : A

46. In helminthes, flame cells are components of their
A. nervous system
B. reproductive system
C. respiratory system
D. excretory system
Answer : D

47. Trematodes generally include
A. flukes
B. worms
C. roundworms
D. blood flukes
Answer : A

48. Which of the parasites has no alimentary canal ?
A. Liver fluke
B. Ascaris
C. Tapeworm
D. Pin worm
Answer : C

49. Intermediate host of Taenia saginata is
A. pig
B. cow
C. man
D. snail
Answer : B

50. Oncosphere larva belongs to
A. Taenia solium
B. Ascaris lumbricoides
C. Pheretima posthuma
D. Ancylostoma duodenale
Answer : A