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Ichthyology  Question Paper

Ichthyology  

Course:Bachelor Of Education Science

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 313: ICHTHYOLOGY

DATE: Tuesday 22nd December, 2009

TIME: 8.00 a.m – 10.00 a.m

INSTRUCTIONS:
Answer ALL questions in Section A and any ONE question in Section B. Within a
section all Questions carry equal marks. Illustrate your answers with diagrams
and give examples where appropriate.


SECTION A: (40 marks)
1.
Describe or explain the following terms.
a) Race
b) Vivipary
c) Chondrichthyes
d) Osteichthyes
e) Fecundity.
2.
Describe the structure and function of the lateral line.
3.
Compare and contrast Agnatha and Gnathostomata.
4.
Describe how the electric organ in Electrophorus sp functions
5.
Describe the functions of fins in fish.
6.
Explain the advantages of internal fertilization and development.
7.
Describe the advantages of the ‘schooling’ behaviour in fishes.
8.
Briefly describe the advantages and functions of the swim bladder.

SECTION B:
9.
Write an essay on the endemic fishes of Lake Victoria.
10.
Write an essay on feeding in fishes.




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