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Bota 411:Mycology August 2009 Question Paper

Bota 411:Mycology August 2009 

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009



KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: BOTA 411

INSTRUCTIONS TO CANDIDATES:
Answer ALL Questions in Section A and any TWO in Section B.

SECTION A (4O MARKS)
1. (a) Describe the meaning of the following terms related to fungal nutrition
i) Biotrophs
ii) Necrotrophs
iii) Saprotrophs
iv) Haustoria
v) Facultative sprophyte (5 marks)
(b) Describe the distinctive features of the fungi (5 marks)

2. (a) List the general methods of ASEXUAL reproduction common in fungal groups
(4 marks)
(b) State the relationship between the following terms: plasmogamy, karyogamy,
dikaryotic phase. (6 marks)

3. (a) State the criteria used in classification of fungal. (4 marks)
(b) Describe with aid of diagrams the following methods of sexual reproduction
i) Gametangial copulation
ii) Gametangial contact
iii) Planogametangial copulation (6 marks)

4. (a) Differentiate between Oomycetes and Zygomycetes. (4 marks)
(b) Describe the diagnostic features of the Ascomycetes. (6 marks)

SECTION B (30 MARKS)
5. Discuss in details the life cycle of a typical Basidiomycetes. (15marks)

6. Describe in details the sexual reproduction and development of the fruiting
body in a typical Ascomycetes. (15marks)

7. Describe the life cycle of a named fungal parasite of crop plants and state the
crops affected by this fungus. (15marks)




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