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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:2010

SECTION A: ANSWER ALL QUESTIONS

1. Using a well labelled diagram describe the body plan of a simple sponge and
describe the support system found in sponges. (4 Marks)
2. Define the following terms: (5 Marks)
a. Porocytes
b. Polyp
c. Mesoglea
d. Proglottids
e. Ocelli
3. Using their mechanism of motility describe the four protozoan classes. (8 Marks)
4. List five distinctive characteristics of Phylum Cnidaria. (5 Marks)
5. State five distinguishing characteristics of the class aves. (5 Marks)
6. Explain the challenges that limited amphibians from wholly conquering the
terrestrial environment. (8 Marks)
7. Briefly describe the diversity of appendages in arthropods. (8 Marks)
8. Describe at least two modes of asexual reproduction in Flatworms. (2 Marks)
9. Describe the different modification of the mollusk foot for locomotion and
attachment. (5 Marks)

SECTION B: ANSWER ANY THREE QUESTIONS

10. Discuss the structural and functional adaptations in mammals. (10 Marks)
11. Explain how the anmiote egg enabled the reptiles to succeed as terrestrial
animals. (10 Marks)
12. Describe the diversity in fish body forms and how this has enabled them inhabit
different aquatic environments. (10 Marks)
13. Using appropriate examples discuss the ecological and economic importance of
echinoderms. (10 Marks)

Zool 100: General Zoology Question Paper

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