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Zool 413: Entomology I Question Paper

Zool 413: Entomology I

Course:Bachelor Of Science In Education Science

Institution: Kabarak University question papers

Exam Year:2009

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KABARAK UNIVERSITY

UNIVERSITY EXAMINATIONS
2009/2010 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF SCIENCE IN
EDUCATION SCIENCE
COURSE CODE: ZOOL 413
COURSE TITLE: ENTERMOLOGY I
STREAM: Y4S1

INSTRUCTIONS:
Answer All questions in SECTION (A) and any two (2) questions in SECTION (B)

SECTION (A) (40 Marks)
1. Describe the importance of the following insect orders
a) Hemiptera (2 Marks)
b) Coleoptera (2 Marks)
c) Siphonaptera (2 Marks)
d) Diptera (2 Marks)
2. Explain the role of pheromones/chemicals in insect behaviour. (8 Marks)
3. Write short notes on the following types of insect development
a) Hemimetabolous (4 Marks)
b) Homometabolous (4 Marks)
4. a) Outline three common factors of social insects (4 Marks)
b) Explain the factors that are used to identify colonies of the following insects.
i) Termites (4 Marks)
ii) Wasps (4 Marks)
iii) Honey bees (4 Marks)

SECTION (B) (30 Marks)
5. Discuss the concept of Coevolution as an aspect of insect ecology. (15 Marks)
6. Discuss the adaptations of hexapod mouthparts to various modes of feeding. (15 Marks)
7. a) Identify and describe the sense organs found in insects. (7 Marks)
b) Discuss the advantages of using Biocontrols over pesticides control in insect pest management.
(8 Marks)

Zool 413: Entomology I Question Paper

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