Invertebrate Zoology Question Paper

Invertebrate Zoology

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2010

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
INSITUTIONAL SCHOOL BASED PROGRAMME
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE AND
BACHELOR OF EDUCATION
SZL 201: INVERTEBRATE ZOOLOGY
DATE:
FRIDAY 30TH APRIL 2010
TIME: 4.30P.M – 6.30P.M

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

SECTION A: (40 marks) Answer ALL questions in this section.

1.
Explain the importance of cephalisation in the evolution of invertebrates.
2.
Differentiate between radial symmetry and bilateral symmetry.
3.
Briefly describe the advantages of being sessile for invertebrates.
4.
Using examples differentiate between protostomia and deuterostomia.
5.
Explain the economic importance of the phylum apicomplexa.
6.
Describe the arthropod features found in phylum onycochophora.
7.
Using a well labeled diagram describe the life cycle of a jelly fish.
8.
Describe the relationship between man and the phylum rhizopoda.

SECTION B: (30marks) Answer any ONE question in this section.
9.
Describe how invertebrates evolved from the sea to fresh water and terrestrial ecosystems.
10.
Give an account of the characteristics of annelids.
11.
a)
Discuss the major characteristics of arthropods.
b)
Discuss the adaptations of insects that enabled it to conquer the terrestrial ecosystem.

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