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IBI511S - INTRODUCTION TO GENERAL BIOLOGY - 2ND OPP - JUNE 2024 |
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n Am I B I A u n IVE Rs I TY
OF SCIEnCE AnOTECHnOLOGY
FACULTYOF HEALTH,NATURALRESOURCESAND APPLIEDSCIENCES
Department of Agricultural Science and Agribusiness
QUALIFICATIONS:BACHELOROF SCIENCEIN AGRICULTURE
QUALIFICATIONSCODE: 07BAGA LEVEL:7
COURSECODE: IBISllS
DATE: JULY 2024
COURSENAME: INTRODUCTIONTO GENERALBIOLOGY
SESSION:JULY
DURATION: 3 HOURS
MARKS: 100
SECONDOPPORTUNITY/ SUPPLEMENTARYEXAMINATION QUESTION PAPER
EXAMINER:
MS. PAULINA NDINELAGO NAUPU
MODERATOR: MRS. LOUISETHERON
INSTRUCTIONS
1. Read all instructions.
2. There are two sections in this paper.
3. Answer all questions in both Sections A and 8.
4. Please write neatly and legibly.
5. Do not use the left-side margin of the exam paper. This must be allowed for the
examiner.
6. No books, notes and other additional aids are allowed.
PERMISSIBLEMATERIALS
1. Examination Question paper
2. Examination Answer booklet
THIS QUESTION PAPERCONSISTSOF 2 PAGES
(ExcludingThis Front Page)
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,SECTION A: SHORT QUESTIONS
QUESTION 1
Define the following terms
1.1 Crossing over
{2}
1.2 Pollination
{2}
1.3 Evolution
{2}
1.4 Cross-pollination
{2}
1.5 Mitochondrion
{2}
1.6 Species
QUESTION 2
{2}
(12)
2.1 Describe the phylum Nematoda
{6}
2.2 Distinguish between tracheophytes and bryophytes
QUESTION 3
3.1 List the six major classes of plant hormones
{6}
(12)
{6}
3.2 Classify seed-producing plants into two distinct groups
{2}
3.3 Compare and contrast monocots and dicots
{8}
(16)
QUESTION 4
4.1 Name the three primary meristems and the corresponding primary tissues they produce
{6}
4.1 The epidermis is the outmost layer of cells in plant leaves, mention 3 structures of the
epidermis and their functions
{6}
(12)
QUESTION 5
5.1 The arrangement of the ovary and the attachment of the ovules within the ovary, known
as placentation, can be classified into three types based on their position and
orientation. Mention and explain the three types of this arrangement. {6}
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5.2 What are the two functions of Endoplasmic reticulum
!SECTION B: LONG QUESTIONS
{2}
[8]
QUESTION 1
Fully discuss the gametophyte phase that occurs in the alternation of generations' life cycles in
plants
{7}
QUESTION 2
Fully distinguish between prokaryotes and Eukaryotes.
{13}
QUESTION 3
Name and discuss the four phases of mitosis
{10}
QUESTION 4
There are five problems plants have to overcome when adapting to land. Name them and
explain how plants overcame them.
{10}
Total Marks:
100
END OF EXAMINATION MEMORANDUM
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