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Bota 411:Mycology April 2010 Question Paper

Bota 411:Mycology April 2010

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2010

KABARAK UNIVERSITY

UNIVERSITY EXAMINATIONS
2009/2010 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION SCIENCE
COURSE CODE: BOTA 411

INSTRUCTIONS:
Answer ALL the questions in SECTION (A) and any TWO (2) questions in SECTION (B)

SECTION (A) (40 Marks)
1. Explain the meaning of the following terms;
a) Coenocytic (2Marks)
b) Basidiospore (2Marks)
c) Ascogonium (2Marks)
d) Heterothallic (2Marks)
e) Facultative parasite (2Marks)

2. a) How does the formation of asexual spore differ from the formation of sexual spore.(5Marks)
b) Explain two characteristic unique to the Oomycetes. (2Marks)
c) Describe three characteristics of the Zygomycetes . (3Marks)

3. a) Describe the distinguishing characteristic of fungi . (5Marks)
b) List the general methods of a sexual reproduction among fungal groups. (5Marks)

4. With aid of simple diagram, where necessary, show that you understand the meaning of the
Following;
a) Gametangial contact
b) Somatogamy
c) Gametangial compulation
d) Oospore
e) Obligale parasite (10 Marks)

SECTION (B) (30 Marks)
5. Describe the life cycle of a typical Ascomycete laying emphasis on nuclear changes and formation
of an ascocarp. (15 Marks)

6. Discuss the distinguishing characteristics of the class Basidiomycetes and state how it differs
from the Ascomycetes. (15 Marks)

7. Show the complete taxonomic classification of Rhizopus stolonifer and phytopthera infestans
(phylum, class order family genus and species). (15Marks)

Bota 411:Mycology April 2010 Question Paper

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