33. Which nematode lays eggs around the anus causing anal itch A. round wormB. t

Question

33. Which nematode lays eggs around the anus causing anal itch A. round wormB. tape worm C. pin worm D. hook worm 34. What is the difference between HIV infection and AlDS? A. both are infections is D. none of the above B. AIDS is complication of HIV infection C. HIV is complication of AIC 35. The kingdom Protista is best described as A. eukaryotes that are both autotrophs and heterotrophs B. prokaryotes both autotrophs and heterotrophs C. eukaryotes that are either autotrophs or heterotrophs D. eukaryotes that are unicellular organisms 36. Which protozoan cause STD in humans? A. plasmodiumB. Amoeba C. trichomonas D. giardia 37. Which protozoan cause malaria? A. plasmodium B. Amoeba Ctrichomonas D. toxoplasma 38. Which protozoan is found in cat litter and should be avoided when pregnant? A. plasmodium B. toxoplasma C. trichomonas D. giardia 39. Which of the following is NOT a general characteristics of Fungus? A. strictly chemoheterotrophs B. vegetative structure is hyphae C. reproduced both asexually and sexually D. mostly divide by binary fission E. most are free living decomposers 40. Ring worm infection is cause by an organism belonging to which group? . bacteria C. protista D. nematode B. fungus

Explanation / Answer

33. c. Pin worm. enterobiasis, also called Pinworm infection, is caused in the anal region due to the laying of eggs of Pinworm (Enterobius vermicularis)

34. b. Human Immunodeficiency Virus (HIV) causes the Acquired Immuno Deficiency Syndrome (AIDS).

35. a. Protists have a well-defined nucleus (hence are eukaryotes) and can be autotrophs (like Blue green Algae) or heterotrophs (Amoeba) or both.

36. (c) Trichomonas vaginalis is a protozoan that causes trichomoniasis, one of the most pathogenic STDs.

37. (a) Plasmodium falciparum, P. vivax and P. malariae are the protozoans that cause malaria.

38. (d) Giardiasis caused by giardia can cause malformations in the fetus.

39. (d) They have hyphae for reproduction and germinate through spores.

40. (b) Ringworm infection is caused by a group of fungi called dermatophytes.

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