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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