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Zool 425:Parasitology December 2010 Question Paper

Zool 425:Parasitology December 2010

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2010

KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2009/2010 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF SCIENCE IN
EDUCATION SCIENCE
COURSE CODE: ZOOL 425

INSTRUCTIONS:
Answer All the questions in SECTION (A) and any two (2) questions in SECTION (B)
SECTION A: ANSWER ALL QUESTIONS (30 MARKS)

1. a) Distinguish between the following terms:
i) Parasitism and commensalism
ii) Definitive host and reservoir host
iii) Obligate parasite and facultative parasite (6 mks)

b) Name the vectors of the following parasites and diseases they cause:
i) Leishmania major ii) Entamoeba histolytica
ii) Wuchereria bancrofti (3 mks)

2. a) Describe briefly the effects of parasites on hosts. (4 mk)
b) Describe the general morphology of Schistosoma species. (3 mks)
c) Describe the schistosome strategy to evade the host immune response. (3 mks)

3. a) Distinguish between stercorarian and salivarian Trypanosoma species. (3 mks)
b) Discuss briefly the pathology, treatment and prevention of leishmaniasis. (4 mks)
c) Explain how Plasmodium falciparum is able to evade the host immune response.
(4 mks)

SECTION B: ANSWER TWO (2) QUESTIONS ONLY (30 MARKS)

4. Discuss the life cycle and management of filarial worms in human hosts. (15 mks)

5. a) Describe the life cycle of Taenia saginata.
b) How can the parasite be controlled? (15 mks)

6. Describe the life cycle & significance of plasmodium falciparum. (15 mks)

Zool 425:Parasitology December 2010 Question Paper

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