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Invertebrate Zoology Question Paper

Invertebrate Zoology

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE AND BACHELOR OF EDUCATION

SZL 201: INVERTEBRATE ZOOLOGY

DATE: Tuesday 29th December 2009
TIME:
8.00am – 10.00am

INSTRUCTIONS

Answer ALL questions in Section A and any other ONE question in section B.
Within a section all questions carry equal marks. Illustrate your answer with
diagram and give examples wherever appropriate.

SECTION A: (40 Marks) - Answer ALL questions.

1.
Explain briefly why marine water is a more stable environment for invertebrate life than fresh water.
2.
Name the phylum of a protest whose all members possesses a test and state its functions.
3.
Describe the characteristic features of an aphicuraoid echinoderm.
4.
Explain how reproduction occurs in scyphozoans.
5.
Staring from the interior end and sequentially, name the appendages found on the cephalon of a typical crustacean.
6.
State the mechanism of asexual reproduction in flatworms.
7.
Outline the similarities and differences between taxonomy and biosystematics.
8.
Explain the process of food acquisition and digestion in peripheral.

SECTION B: (30 Marks) - Answer any ONE question
9.
Describe in detail embryogenesis up to the formation of germinal layers in metazoan invertebrates.
10.
Write an essay on gastropod and cephalopod molhisics.
11.
Discuss the common and distinguishing features between myxomycota and Oomycota.