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Bota 110 Question Paper

Bota 110

Course:Basic Botany I

Institution: Kabarak University question papers

Exam Year:2009

KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: BOTA 110
COURSE TITLE: BASIC BOTANY I
STREAM: SESSION I
DAY: WEDNESDAY
TIME: 2.00 – 4.00 P.M.
DATE: 12/08/2009
INSTRUCTIONS TO CANDIDATES:
ANSWER ALL QUESTIONS FROM SECTION A AND ANY TWO FROM SECTION B

SECTION A 40MARKS
Q1. Write short notes on the following terms
a) Reduction division (3marks)
b) Duplication division (3marks)
c) Growth phase of cell cycle (3marks)
Q2. a) Explain the importance of the following procedures in microscopy (4 marks)
i) Staining
ii) Thin Sections
b) Give the functions of the parts of microscope listed below (4marks)
i) Objective lens
ii) Mirror
iii) Condenser
iv) Coarse adjustment knob
Q3. Distinguish between
a) Chromatin granules and Chromosomes (2marks)
b) Rough and Smooth Endoplasmic reticulum (2marks)
c) Cell membrane and Cell wall (2marks)
d) Leucoplast and Chloroplast (2marks)
Q4. Describe and illustrate three basic phage structures. Give examples in each case (9marks)
Q5. a) Describe three mechanisms by which DNA transferred in bacterial cells during sexual
reproduction. (3 marks)
b) State the distinguishing characteristic of the three mechanisms listed above. (3 marks)
SECTION B 30 MARKS
Q6. Describe the types and functions of plastids (15marks)
Q7. Discuss the economic importance of bacteria (15marks)
Q8. Describe and illustrate the vegetative structure of the bread mould (Rhizopus stolonifer)
(15marks)

Bota 110 Question Paper

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