Pbiol 021: Basic Biology Question Paper
Pbiol 021: Basic Biology
Course:Certificate Of Pre-University Biology
Institution: Kabarak University question papers
Exam Year:2009
KABARAK UNIVERSITY
UNIVERSITY EXAMINATIONS
2009/2010 ACADEMIC YEAR
FOR THE CERTIFICATE OF PRE- UNIVERSITY BIOLOGY
COURSE CODE: PBIOL 021
COURSE TITLE: BASIC BIOLOGY
STREAM: SEMESTER TWO
DAY: FRIDAY
TIME: 9.00 – 11.00 A.M.
DATE: 04/12/2009
INSTRUCTIONS:
Answer ALL questions in Section A and any one in section B
SECTION A
1. Describe the structure of the sperm (6mks)
2. Describe using a diagram the Nitrogen cycle. (6mks)
3. Discuss the forms of heterotrophic nutrition. (10mks)
4. (a) Describe the structure of Arteries and Veins (3mks)
(b) Describe the function of arteries and veins (3mks)
5. Define the following terms:-
a. Plasma (2mks)
b. Platelets (2mks)
6. Discuss the difference between:-
a. Sexual and asexual reproduction. (2mks)
b. Open and closed circulation. (2mks)
7. State the functions of the circulatory system (4mks)
8. Discuss the mechanism of breathing. (6mks)
9. Explain how gaseous exchange in the alveolar takes place? (4mks)
SECTION B
10. Discuss the components of the circulatory system (20mks)
11. Discuss the structure and functions of:
a. Male reproductive system (10mks)
b. Female reproductive system (10mks)
12. Briefly discuss
a. Hormonal control of oogenesis (10mks)
b. Mechanisms involved in homeostasis (10mks)
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