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Arthropod Biology Question Paper

Arthropod Biology 

Course:Bachelor Of Science In Biochemistry

Institution: Egerton University question papers

Exam Year:2005



UNIVERSITY EXAMINATIONS

SECOND SEMESTER 2004/2005

SECOND YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE AND BACHELOR OF EDUCATION

ZOOL 204-ARTHROPOD BIOLOGY

TIME: 2HRS

INSTRUCTIONS:

SECTION A: ANSWER ALL QUESTIONS IN THIS SECTION (TOTAL MARKS: 40)

1.Describe briefly the structure and function of each of the following:

(a) Chelicerae (2 marks)

(b) Mesenteron (2 marks)

(c) Capithulum (2 marks)

(d) Gills (2 marks)

(e) Telson (2 marks)

2.Outline the morphological features that distinguish the following from other arthropods:-

(a) Spider (5 marks)

(b) Centipede (5 marks)

3.Explain briefly how internal transport is achieved in crustaceans.(5 marks)

4.Describe the structure and function of a coxal gland using a labeled diagram.(5 marks)

5.Describe briefly the process of metamorphosis in insects.(5 marks)

6.Discuss briefly the importance of insects as pests of crops.(5 marks)

SECTION B: ANSWER ANY TWO QUESTIONS (TOTAL MARKS:30)

7.Describe the respiratory system of arachnids.(15 marks)

8.Discuss the features that have contributed to the biological success of arthropods.(15 marks)

9.Give a detailed account of feeding and digestion in crustaceans.(15 marks)




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