Zool 231: Arthropod Biology Question Paper
Zool 231: Arthropod Biology
Course:Bachelor Of Science
Institution: Chuka University question papers
Exam Year:2013
CHUKA
UNIVERSITY
UNIVERSITY EXAMINATIONS
SECOND YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
BACHELOR OF EDUCATION (SCIENCE) BACHELOR OF SCIENCE
ZOOL 231: ARTHROPOD BIOLOGY
STREAMS: BED (SCI) BSC Y2S2 TIME: 2 HOURS
DAY/DATE: MONDAY 12/8/2013 11.30 AM – 1.30 PM
INSTRUCTIONS:
• Answer All Questions in Section A and any Two in Section B.
• All Questions in each Section Carry Equal Marks
Section A (30 Marks)
1. Describe the structure of a typical decapod.
2. Explain the mechanism of feeding in arachnids.
3. Describe the role of hormones in insect metamorphosis
4. Compare crustacean and insect structures of excretion
5. Outline the mechanisms of defence in Arthropods.
6. Explain the significance of silk production in chelicerates.
Section B (40 Marks)
7. Discuss the economic importance of arthropods
8. (a) Discuss the significance of social behavior in insects.
(b) Describe communication methods among insects
9. Give a detailed account of the characteristics of class myriapoda.
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