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Zool 210:Invertebrate Zoology April 2011 Question Paper

Zool 210:Invertebrate Zoology April 2011

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2011

KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2010/2011 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION SCIENCE
COURSE CODE: ZOOL 210

INSTRUCTIONS:
1. Answer ALL Questions in Section A.
2. Answer THREE Questions only in Section B

Section A: Answer All Questions (40 Marks)

1. a) Distinguish between the following terms:
i) Mesoglea and clitellum ii) Acoelomate and pseudocoelomate bilateria
iii) Cephalization and metamerism (6 marks)
b) List the general sensory structures found in annelids. (4 marks)

2. a) Name the three subphyla of phylum echinodermata. (3 marks)
b) List the general characteristics of Phylum Nematoda (3 marks)
c) List the distinguishing features between subphyla Chelicerata and Hexapoda
(4 marks)

3. a) Name the types of cells found in sponges and state their functions. (5 marks)
b) Describe the body structure of Hydra. (5 marks)

4. Write short notes on the following:
a) Ambulacral system (4 marks)
b) Reproduction in sponges (4 marks)
c) Feeding in gastropods. (2 marks)

Section B: Answer Three Questions Only (30 Marks)

5. Describe ten differences between arthropods and annelids. (10 marks)

6. a) State key characteristics of phylum nematoda (4 marks)
b) Describe the process of moulting in insects. (6 marks)

7. a) Draw a well-labelled diagram showing external anatomy of
common housefly (Musca domestica) (4 marks)
b) List six distinguishing features between housefly and grasshopper. (6 marks)

8. a) How are cestodes adapted to parasitic life? (4 marks)
b) List the advantages of having a body cavity. (6 marks)

Zool 210:Invertebrate Zoology April 2011 Question Paper

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