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Basic Botany Ii Question Paper

Basic Botany Ii

Course:Basic Botany Ii

Institution: Kabarak University question papers

Exam Year:2009

INSTRUCTIONS:
Answer All questions in Section A and Any TWO from Section B

SECTION A. (40 MARKS)
1. (a) Explain briefly the meaning of the following characteristics of plant communities.
(i) Physiognomy (2 Marks)
(ii) Relative abundance (2 Marks)
(iii) Trophic structure (2 Marks)
(b) Differentiate between closed and open vegetation. (2 Marks)
2. (a) Name three factors that cause spatial discontinuities in vegetation. (3 Marks)
(b) Explain what is vegetation diversity is. (2 Marks)
(c) State the three factors that cause vegetation diversity. (3 Marks)
3. Write short notes on the following
(a) Epiphytes
(b) Vegetation stratification
(c) Lianas and climbers (9 Marks)
4. (a) Describe and illustrate the life cycle of Bryophytes. (5 Marks)
(b) State main differences between Bryophytes and Pteridophytes. (2 Marks)
5. (a) Write explanatory notes on diversity and characteristics of Gymnosperms. (6 Marks)
(b) Differentiate between isomorphic and heteromorphic life cycles. (2 Marks)
SECTION B. (30 MARKS)
6. Describe the different plant growth forms used classification of plant community structures.
(15 Marks)
7. Describe the adaptive features of insect and wind pollinated flowers. (15 Marks)
8. Discuss the causes and remedies of desertification. (15 Marks)

Basic Botany Ii Question Paper

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