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Das 107: General Zoology Question Paper

Das 107: General Zoology

Course:Bachelor Of Science In Environmental Conservation And Natural Resources Management

Institution: South Eastern Kenya University question papers

Exam Year:2017

SOUTH EASTERN KENYA UNIVERSITY

UNIVERSITY EXAMINATIONS 2016/2017

SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN ENVIRONMENTAL CONSERVATION AND NATURAL RESOURCE MANAGEMENT, BACHEOR OF SCIENCE IN AGRIBUSINESS MANAGEMENT, BACHELOR OF SCINECE IN DRYLAND ANIMAL SCIENCE AND BACHELOR OF SCIENCE IN AGRICULTURE

DAS 107: GENERAL ZOOLOGY

DATE:13TH APRIL, 2017 TIME: 10.30-12.30 P.M

INSTRUCTIONS TO CANDIDATES

(a) Answer ALL the Questions in Section A

(b) Answer ANY TWO Questions in Section B

(c) Illustrate your answers with well labeled diagrams where appropriate

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SECTION A (30 Marks)

1. Name three protozoans and the diseases they cause. (3 Marks)

2. State two economic importance of sponges.(2 Marks)

3. Explain the symbiotic relationship between coral and other marine organisms. (4 Marks)

4. Statethree general characteristics of annelids. (3 Marks)

5. State four sensory organs found in molluscs. (4 Marks)

6. Giving an appropriate phyla where each occurs, define the following terms:

(a) Metamerism(1.5 Marks)

(b) Strobilization(1.5 Marks)

7. Explain one characteristic that the phylum echinodermata shares with the chordates (2 Marks)

8. Name two organs in chondrichthyes where red blood cells are manufactured.(2 Marks)

9. Explain three theories that describe the extinction of dinosaurs.(3 Marks)

10. List four characteristics that distinguish mammals from other amniotes.(4 Marks)

SECTION B (40 Marks)

11. Discuss the economic importance of fishes. (20 Marks)

12. Discuss the success of platyhelminthes as obligate endoparasites. (20 Marks)

13. Give a detailed account of the basic skeletal features in birds in relation to flight. (20 Marks)

14. Discuss:

(a) Factors that threaten corals. (10 Marks)

(b) Conservation of corals. (10 Marks)

Das 107: General Zoology question paper

Das 107: General Zoology Question Paper

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