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Sbt 200:Plant Ecology Question Paper

Sbt 200:Plant Ecology

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2013

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A Constituent College of Kenyatta University
UNIVERSITY EXAMINATIONS 2012/2013 ACADEMIC YEAR
2
ND YEAR EXAMINATION FOR THE DEGREE OF BACHELOR OF
EDUCATION AND BACHELOR OF SCIENCE
COURSE CODE/ TITLE: SBT 200: PLANT ECOLOGY
END OF SEMESTER I DURATION: 2 HRS
DAY/TIME: TUESDAY 2.00PM – 5.00PM DATE: 11.12.2012
INSTRUCTIONS:
Answer ALL questions in Section A and ANY Two in Section B
SECTION A. 40MARKS.
Question One
a) Define the following terms as used in ecological studies.
i) Phytogeography
ii) Synecology
iii) Autecology
iv) Paleoecology
v) Ecosystem (5marks)
b) State five (5) uses of water in plant growth and development.
(5marks)
Question Two
a) Distinguish between physical and chemical rock weathering. (2marks)
b) State eight forces (factors) that drive the process of rock weathering.
(8marks)
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Question Three
a) Name and briefly explain four types of soil water (4marks)
b) List six (6) types of population interactions. (6marks)
Question Four
a) State four (4) subdivisions of fosberg’s formation system of vegetation
classification. (4marks)
b) Briefly describe six important phases of successions as postulated by Clements.
(6marks)
SECTION B ANSWER ANY TWO QUESTIONS
Question Five
Discuss the quantitative methods used to describe plant species abundance in a
community. (15marks)
Question Six
Discuss primary succession and changes that accompany it. (15marks)
Question Six
Discuss population interactions in natural communities (15marks)

Sbt 200:Plant Ecology Question Paper

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