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Zool 100: General Zoology Question Paper

Zool 100: General Zoology 

Course:Bachelor Of Science

Institution: Egerton University question papers

Exam Year:2012



SECTION A: ANSWER ALL QUESTIONS

1. With reference to the spicules, differentiate between the three classes of Sponges. (6 Marks)
2.(a) Give three reasons why the Oplinids are not classified as ciliates. (3 Marks)
(b) Explain the role of protozoans in sewer treatment facilities. (4 Marks)
3. Describe the generalized body plan of molluses. (7 Marks)
4. Outline the structural features of Hirudineans that are not found in other annelids (7 Marks)
5. Outline the economic importance of reptiles. (6 Marks)
6. Giving examples in each case, outline how echinoderms obtain food. (7 Marks)

SECTION B: ANSWER ANY TWO QUESTIONS

7. Describe the mechanisms for reproduction in Cnidarians. (15 Marks)
8. Describe the fundamental chordate features. (15 Marks)
9. Explain how gaseous exchange is achieved in amphibians. (15 Marks)






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