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IBI511S - INTRODUCTION TO GENERAL BIOLOGY - - 2ND OPP - JUNE 2025 |
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nAmlBIA unlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF HEALTH,NATURAL RESOURCESAND APPLIEDSCIENCES
DEPARTMENT OF AGRICULTURAL SCIENCES AND AGRIBUSINESS
QUALIFICATION: BACHELOR OF SCIENCE IN AGRICULTURE
QUALIFICATION CODE: 07BAGA
COURSE CODE: IBI511S
LEVEL: 7
COURSE NAME: INTRODUCTION TO GENERAL
BIOLOGY
DATE: JULY 2025
DURATION: 3 HOURS
MARKS: 100
SECONDOPPORTUNITY/SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER(S) Mr. C. L. Akashambatwa
MODERATOR: Mrs. L. Theron
INSTRUCTIONS
1. Answer ALL the questions.
2. Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLEMATERIALS
1. Examination question paper
2. Answering book
THIS QUESTION PAPER CONSISTS OF 2 PAGES (Including this front page)
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Question 1
1.1. Name and explain with examples the two types of cell reproduction.
(4)
1.2. Define Prokaryotes and Eukaryotes.
(4)
1.3. Kingdom fungi is divided into five phyla, name them and give one example of each. {10)
1.4. What is a meristem, where are meristems located in plants and what are their
functions?
(5)
1.5. Explain five functions of the nucleus.
(5)
Question 2
2.1. Why is a mushroom regarded as a fungus rather than a plant?
[28]
(2)
2.2. Most species-loss can be traced to four major threats. Name these threats.
(4)
2.3. Biodiversity has three main components, briefly name and explain them.
{6)
2.4. Differentiated between root cap and Vascular cambium.
(4)
[16]
Question 3
3.1. Explain the functions of a vacuole in the cell.
{6)
3.2. Explain Kingdom Protista.
(4)
3.3. Explain the process of photosynthesis with a diagram and the chemical reaction
Formula.
{6)
[16]
Question 4
4.1. Prosopis Cineraria is an invasive specie in Namibia and abundantly growing well in
prominent ephemeral rivers of Namibia. Name the river, in the South of the country, heavily
infested by Prosopis and further elaborate on the specie's pros & cons.
(24)
(1 mark for a pros/con and 1 mark for elaborative per pros/cons).
4.2. Distinguish between gymnosperm and angiosperm plants.
4.3. Differentiate between a food chain and a food-web with illustrations to clearly
indicate what is happening in each series.
[TOTAL 100]
{8)
{8)
[40]