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Zool 120: Basic Zoology Ii Question Paper

Zool 120: Basic Zoology Ii

Course:Basic Zoology Ii

Institution: Kabarak University question papers

Exam Year:2009

COURSE CODE: ZOOL 120
COURSE TITLE: BASIC ZOOLOGY II
STREAM: SESSION III
DAY: TUESDAY
TIME: 2.00 – 4.00 P.M.
DATE: 07/04/2009
INSTRUCTIONS:
Answer All questions in Section A and Any TWO from Section B

SECTION A. (40 MARKS)
1. Differentiate between the rough endoplamic reticulum and the smooth endoplasmic
reticulum (2 Marks)
2. Draw and correctly label the diagram of a nephron. (10 Marks)
3. (i) Define the term homeostasis. (2 Marks)
(ii) Name the two main hormones involved in the process. (2 Marks)
4. Explain the components of ecosystem diversity. (6 Marks)
5. Explain how asexual reproduction differs from sexual reproduction. (5 Marks)
6. (i) What is the primary enzyme that digest proteins? (1 Mark)
(ii) Explain why it does not harm the cells where it is synthesized and stored. (2 Marks)
7. Differentiate between a respiratory medium and a respiratory surface. (4 Marks)
8. Define the following terms;
(i) Genome (2 Marks)
(ii) Gene expression (2 Marks)
(iii) Heterozygous (2 Marks)
SECTION B (30 MARKS)
9. Categorize and discuss animal tissues. (15 Marks)
10. Discuss the important a biotic factors. (15 Marks)
11. Discuss the factors that aided in Mendel’s success where previous investigators
had failed. (15 Marks)

Zool 120: Basic Zoology Ii Question Paper

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