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Bota 210: Cryptogams Y2s1 Question Paper

Bota 210: Cryptogams Y2s1

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009

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

SECTION A (40 MARKS)
1. (a) Describe various types of algae (3 Marks)
(b) Describe three salient characteristics of algae (3 Marks)
(c) Describe two types of flagella found in algae (2 Marks)
(d) Describe three types of asexual spores found in algae (3 Marks)
2. (a) Differentiate between the following;
i. Basiodiospores and Zoospores (2 Marks)
ii. Gametangial contact and Gametangial copulation (2 Marks)
(b) Describe four classes of fungi (4 Marks)
3. Describe three ways in which Bryophytes resemble algae (3 Marks)
4. Explain the following statements
a) Bryophytes show alternation of generations (1 Mark)
b) Algae are thalloid (1 Mark)
c) Bryophytes produce homosporous spores (1 Mark)
d) Bryophytes are non-vascular plants (1 Mark)
e) Alternation of generations in Bryophytes is heterologous (1 Mark)
5. a. Describe three salient characteristics of Pteridophytes (3 Marks)
b. Describe three ways in which Pteridophytes differ from Gymnosperms
(3 Marks)
c. Describe three ways in which Gymnosperms differ from Angiosperms
(3 Marks)
d. Describe and illustrate four features of the tranverse section of coralloid root
(4 Marks)
SECTION B (30 MARKS)
6. Describe the origin and role of heterocyts (15 Marks)
7. Describe resemblances of Cyanophyceae to Bacteria (15 Marks
8. Describe vegetative and asexual reproduction in fungi (15 Marks)

Bota 210: Cryptogams Y2s1 Question Paper

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