Bot 111:Basic Botany Ii Question Paper
Bot 111:Basic Botany Ii
Course:Bachelor Of Science
Institution: University Of Eldoret question papers
Exam Year:2015
UNIVERSITY OF ELDORET
BACHELOR OF SCIENCE
DEPARTMENT OF BIOLOGICAL SCIENCES
FIRST YEAR SECOND SEMESTER, 2014/2015 ACADEMIC YEAR
BOT 111:BASIC BOTANY II (main examination)
INSTRUCTIONS; ANSWER ALL QUESTIONS FROM SECTION A AND ANY FOUR QUESTIONS FRON SECTION B.
Section A :(30marks)
1.Distinguish between the following terms :
a) Fucaltative heliophylites and Fucaltative sciophytes. ( 2marks)
b) Community and population. (3 marks)
2. Explain briefly how temperature influences the distribution of plants. ( 4marks)
3.Define the term 'ecosystem ' (1 mark)
4.a) Distinguish between afforestation and reforestation. (1mark)
b) The total area under forest in Kenya has been reducing steadily since independence. State four consequences the country may face if this trend is not reversed. (4marks)
5.a)Define the term pollution. (1 mark)
b) Explain the effects of air pollution on plants. (4 marks)
6.a) State the characteristics of Bryophytes. (4 marks)
b) State six differences between monocots and dicots. (6 marks)
SECTION B:(40 MARKS)
8. Discuss how the following physical factors influence the distribution of plants :
a) Precipitation. ( 5marks)
b) Wind. (5 marks)
9.Describe how the following methods are used in ecological surveys :
a) Transect method. (5 marks)
b) point quadrat method. (5 marks)
10.a) Define desertification. ( 2marks)
b) Discuss the major causes of desertification and their mitigation measures. (8 marks)
11.a) State the methods used in management of pollution. ( 3marks)
b) Discuss the effects of land and water pollution on plants. ( 7marks)
12.a )Define plant pressing. (2 marks)
b) Describe briefly the methods of identification of plants. (8 marks)
13. Discuss the adaptations of Division pinophyta to their environment. (10 marks)
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