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PTS620S-PLANT STUDIES 1-1ST OPP- NOV 2024 |
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nAmlBIA UnlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF HEALTH,NATURAL RESOURCESAND APPLIEDSCIENCES
SCHOOLOF AGRICULTUREAND NATURALRESOURCESCIENCES
DEPARTMENT OF NATURALRESOURCESSCIENCES
QUALIFICATION: BACHELOROF NATURAL RESOURCESMANAGEMENT
QUALIFICATION CODE: 07BNRS
LEVEL: 7
COURSECODE: PTS620S
COURSENAME: PLANTSTUDIES1
DATE: NOVEMBER 2024
DURATION: 2 HOURS
MARKS: 100
FIRSTOPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S) Prof. Jonathan M. Kamwi
MODERATOR: Mrs. Louise Theron
INSTRUCTIONS
l. Answer ALL the questions.
2. Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLEMATERIALS
1. Examination question paper
2. Answering book
3. Calculator and Ruler
THIS QUESTION PAPERCONSISTSOF 2 PAGES(Excluding this front page)
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1. Mention the three endemic species of Bryophytes in Namibia (Scientific names).
[6]
2. Provide the lifecycle of the liverwort in words.
[15]
3. Provide the lifecycle of the Pteridophyta in words.
[15]
4. Provide any 4 characteristics of the primitive angiosperms.
[4]
5. Write brief and critical notes about Faidherbia albida.
[4]
6. What is a perianth and which two structures constitutes it?
[3]
7. What is a hemi-parasite?
[2]
8. What is the difference between a complete and incomplete flower?
[2]
9. Describe the three main floral inflorescences found in grasses and provide an
[6]
example of a grass species representing each type.
10. Name and discuss the three layers that make up the pericarp of fruits?
[6]
11. Discussthe four different types of dormancies that are associated with seeds.
[8]
12. Differentiate between heart wood and sap wood? Which of the two is more
[6]
durable? Why?
13. Which is the correct order of leaf arrangement (phyllotaxy) adjectives from left (1) [2]
to right (3)?
a. Alternate, opposite, whorled
b. Opposite, whorled, alternate
c. Alternate, whorled, opposite
d. Opposite, alternate, worled
e. None of the above
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14. Provide the labels using this set of possible terms.
[4]
a. Procambium, b. phloem, c. xylem, d. endodermis, e. epidermis
15. The pictures below depict .....
[2]
-
••0 pith
A. a root cross-section from a dicot (left) and monocot (right)
B. a root cross-section from a monocot (left) and dicot (right)
C. a stem cross-section from a dicot (left) and monocot (right)
D. a stem cross-section from a monocot (left) and dicot (right)
E. a leaf cross-section from a monocot (left) and dicot (right)
16. What is asexual reproduction and what hat are some advantages and disadvantages of [S]
asexual reproduction?
17. Discuss one important difference between the anatomy of roots and the anatomy of [4]
leaves.
18. Name the dominant families in the Gariep Centre of endemism.
[2]
19. Why are botanical hotspots important in terms of conservation?
[4]
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