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Zool 210: Invertebrate Zoology Question Paper

Zool 210: Invertebrate Zoology

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2013

KABARAK UNIVERSITY

UNIVERSITY EXAMINATIONS
2012/2013 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR EDUCATION SCIENCE
(SBL)
ZOOL 210: INVERTEBRATE ZOOLOGY
DAY: THURSDAY DATE: 28/11/2013
TIME: 8.30 – 10.00 P.M. STREAM: Y2S1
DURATION: 2 HRS
Section A: Answer All Questions (40 Marks)

1.
a) Distinguish between the following terms
i) Euceolomate and pseudocoelomate bilateria
ii) Cephalization and metamerism

iii) Radular and siphon

(6 marks)
b) Describe briefly the master plans of animal body architecture.

(4 marks)

2.
a) Name the three subphyla of phylum echinodermata, giving an example in each case.

(5 marks)
b) Why are deuterostomes the most successful animals on earth?
(5 marks)

2.
a) List the distinguishing features between subphyla Chelicerata and Hexapoda

(4 marks)

b) Describe reproduction in sponges.

(6 marks)

3.
a) Name the types of cells found in sponges and state their functions.
(5 marks)

b) List the general sensory structures found in annelids.

(4 marks)

Section B: Answer Three Questions Only (30 Marks)

5.
Describe ten differences between arthropods and annelids.

(10 marks)

6.
a) Describe torsion in in Phylum Mollusca.

(4 marks)
b) Echinoderms are considered the most advanced yet primitive invertebrates. Discuss.

(6 marks)

7.
Describe the process of moulting in insects.

(10 marks)

8.
a) State the major difference between protostomes and deuterostomes
(4 marks)

b) List the advantages of having a body cavity.

(6 marks)

Zool 210: Invertebrate Zoology Question Paper

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