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Bot 111:Basic Botany Ii Question Paper

Bot 111:Basic Botany Ii

Course:Basic Botany Ii

Institution: University Of Eldoret question papers

Exam Year:2010

Answer ALL the questions from section A and any three from section B.
Section A(28marks)
1.Differentiate between point and non-point sources of water pollution.(2marks)
2.Differentiate between rain shadow and interior deserts.(4marks)
3.State two effects of global warming(2marks)
4.a)Citing four characteristics,cldarly distinguish between monocotyledons and dicotyledons plants.(4marks)
5.a)Give reasons as to why pteridophytes show a great advancement over Bryophytes.(3marks)
b)What is the importance of water in the reproduction of bryophytes.(1mark)
7.a)Give six characteristics of a tropical rainforest (3marks)
b)What is an ecological survey?(2marks)
8.a)How is species-area curve compiled?(4marks)
b)Illustrate diagrammatically ,the three distinct layers of a tropical rainforest and mention 2(two) features of each layer (3marks)
section B:(42marks)
9.Describe four main adaptations of desert plants.(14marks)
10.Discuss the factor that have led to successful distribution of Angiosperms.(14marks)
11.a)Discuss in details, the constituents of the atmosphere.(8marks)
b)Discuss the formation of igneous,sedimentary and metamorphic rocks.(6marks)
12.a)Briefly describe the effects of acid rain (4marks)
b)Giving examples,explain how and why the following interactions influence ecosystem integrity.
i)competition
ii)Amensalism
iii)Commensalism (5marks)
c)Using an illustration explain how alternation of generation occurs in a named moss plant.(5marks)
13.a)i)What is a pedon?
ii)What is botanical collections?
iii)Name two types of interactions in plants.
iv.Name two categories of Herbivores.(4marks)
b)State four ways of controlling land pollution.(4marks)
c)Using an illustration briefly describe reproduction in coniferous plants.(6marks)

Bot 111:Basic Botany Ii Question Paper

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