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Sbt2110:Botany Question Paper

Sbt2110:Botany 

Course:Bachelor Of Science In Food Science And Nutrition

Institution: Meru University Of Science And Technology question papers

Exam Year:2012



QUESTION ONE – 30 MARKS
(a) It is believed that Gnetophyta is the link between Gymnosperms and Angiosperms. Give four reasons for this. (4Marks) (b) State the main distinguishing features of Angiosperms. (4Marks) (c) Define the term Centre of diversity. (2Marks) (d) Distinguish between adroecium and gynoecium (carpel). (4Marks) (e) What is Parthenogenesis? (2Marks) (f) Distinguish between growth and development. (4Marks) (g) State the Law of Independent assortment in modern terms. (2Marks) (h) Explain the purpose of cell division. (5Marks) (i) Distinguish between Pollination and Fertilization. (3Marks)
QUESTION TWO – 20 MARKS
the enzymes involved.
2
QUESTION THREE– 20 MARKS
(a) development. (15Marks) (b) Briefly explain Active transport. (5Marks)
QUESTION FOUR– 20 MARKS
(a) Outline the factors that affect permeability of the cell membrane. (15Marks) (b) State the importance of Plasmolysis. (5Marks)
QUESTION FIVE– 20 MARKS
Briefly discuss the mechanisms by which the stomata open and close.




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