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Bot 110: Basic Botany I Question Paper

Bot 110: Basic Botany I

Course:Bachelor Of Science In Applied Biology

Institution: University Of Eldoret question papers

Exam Year:2010

CHEPKOILEL UNIVERSITY COLLEGE
(A CONSTITUENT COLLEGE OF MOI UNIVERSITY)

UNIVERSITY EXAMINATIONS
2010/2011 ACADEMIC YEAR

FIRST YEAR FIRST SEMESTER EXAMINATION FORTIF DEGREE OF BACHELOR OF SCIENCE AND BACHELOR OF EDUCATION SCIENCE.

COURSE CODE: BOT 110
COURSE TITLE: BASIC BOTANY I
MAIN EXAMINATION

INSTRUCTIONS TO CANDIDATES:
Answer ALL questions from section A and any FOUR from Section B
Illustrate your answers with suitable diagrams wherever necessary.
Duration of Examination: 3 hours

SECTION A (30 Marks): Answer ALL questions.
1. Name in sequence, the stages in mitotic cell division. (5mks)
2. Give three types of microscoper stating the source of illumination in each. (5mks)

3. State four features of a true meristematic cell. (4mks)

4.
a. Distinguish the following:
i. Simple pit and bordered sit. (2mks)
ii. Collenchyma tissues and scelerenchyma tissues. (2mks)

b. Briefly explain plasmolysis. (2mks)

5.
a. There are three main types of life cycles in algae. List them. (3mks)

b. Name the fungal component and the algal component in lichens. (2mks)

6.
a. List the two chemical components of a virus. (2mks)

b. Name three features that contribute to the widespread of bacteria. (3mks)

SECTION B (40 marks)
Answer any FOUR questions.
7.
a. Name any four organelles present in the plant cell cytoplasm. (4mks)
b. For each organelle named in (a), state its function. (6mks)

8.
a. Briefly explain why interphase is NOT a resting stage during cell division. (5mks)

b. Differentiate between electron and optical microscope. (5mks)

9.
a. State and describe the types of cells making the xylem tissue. (6mks)
b. State the distinguishing features of woody dicotyledonous stem and monocotyledonous stem. (4mks)

10.
a. Briefly explain the factors that determine the rate of osmosis in plants. (6mks)

b. Explain the significance of osmosis in plants. (4mks)

11.
a. Briefly describe nutrition in:
i. Saprophytic bacteria.
ii. Parasitic bacteria. (4mks)

b. Briefly describe the characteristics of algal classes of Rhodophyceae and Phaeophyceae. (6mks)

12.
a. Illustrate the life cycle of bacteriophage. (5mks)
b. Name one class of fungi. Using appropriate examples, describe the characteritics of the above named class. (5mks)

Bot 110: Basic Botany I Question Paper

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