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Bota 413: Introduction To Entomology Question Paper

Bota 413: Introduction To Entomology 

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009



COURSE CODE: BOTA 413
COURSE TITLE: INTRONDUCTION TO ENTOMOLOGY
STREAM: SESSION VII

INSTRUCTIONS:
ANSWER ALL THE QUESTIONS IN SECTION (A) AND ANY THREE QUESTIONS IN
SECTION (B)
SECTION (A)
1. Explain briefly how insects differ from other anthropods. (8 marks)
2. State citing appropriate examples the distinctive features of the following insect orders
(a) Coleptera
(b) Diptera
(c) Hymenoptera
(d) Odonata (8 marks)
3. (a) Distinguish the three types of insect Larvae
(i) Protopod
(ii) Oligopod
(iii) Polypod (6 marks)
(b) Explain briefly the concept of biological control in insects. (2 marks)
4. Explain what is meant by the following terms:
(a) Dectious pupae (4 marks)
(b) Adectious pupae (4 marks)
5. Compare and contrast Dictyoptera and Isoptera. (8 marks)
SECTION B
6. Give a detailed account of the characteristics of the order Orthoptera. (15 marks)
7. Distinguish between hemimetabolous and lolotabolous insect. (15 marks)
8. Discuss the economic importance of insects to human being. (15 marks)




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