PLANT SYSTEMATICS I (BOTS3207)
Biological Science - BS
Semester: Second Semester
Level: 300
Year: 2018
REPUBLIC OF CAMEROON THE UNIVERSITY OF BAMENDA
Peace-Work-Fatherland
P. O. BOX 39 Bambili
School/Faculty: _SCIENCE___ Department:_Biological Sciences Lecturer(s):
Njouondou and Tacham; Course Code: _BOTS3207_______ Course Title: Plant
systematics 1, Date: _10 July 2018_______Halls: _Asanji ________Time: 11:00-2:00
Instructions: Answer all questions CHRONOLOGICALLY and clearly
SECTION A
1.
Plant systematics is as old as the language skill of mankind and has its roots in the
empirical tradition
1 .a. What reasons made humans study plant systematics? (2 lines maximum) 2 mark
2. b. In a tabular form give the name of 02 earliest taxonomists of the Antiquity with their
Country/Nationality
2- Give all secondary rank between family and genus. 3 marks
3- Using short sentences (two lines maximum) give the difference between:
3 a. legume and follicle; 3.b. ICN and ICNCP (2 marks
4. Mach words or terms or words of box A, list with those of the box B. (5 marks)
Box A: 1) Species Plantarum, 2) capitulum; 3) Grex name, 4) tautonym, 5) cultivar name,
6) trade designation, 7) legume, 8) Gramineae, 9) De Pl antis, 10) Arecaceae
Box B: a) Gallus gallus-, b) Poaceae; c) Fabaceae; d) Phanaenopsis Baldan’s Kaleidoscope
grex; e) Syringa vulgaris
LUDWIO SPAETH
; I f) Palmeae; g) Syringa vulgaris ‘Andenken
and Ludwig spath’; h) Andrea cesalpino, i) Carl linnaeus. j) Asteraceae
5- For her wedding, Miss Olivia collected two white flowers respectively of a monocot and a
dicot species (each one having a particular time to be used in church) and put them in a the
same bag. Once there she is unable to distinguish the two flowers, and ask for your help
knowing that you study plant systematics. Explain how monocot and dicot flowers can be
differentiated(5 lines maximum). (2 marks)
6-Using letters only, complete the table below (10.5 marks
Name
Country/Nationality
Function
Title of their book/study
_
Taxa
Rank
Kingdom
Taxa
Rank
Kingdom
Russulales
a
Ascomycotina
g
h
Amaranthus
b
Magnoliopsida
J
Agancaceae
c
Magnoliophyta
k
l
Linea borealis vai. longisflora
d
Stipa nelsonii
m
Rhodophyta e
f Plantae n
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7- Vitex doniana is a tree species common in Cameroon especially the North-West region. Its
leaves are palmately compound with opposite arrangement.
7.1- illustrate/draw the following arrangement of leaves on stem: opposite arrangement,
alternate arrangement. 2 marks
7.2- Draw a leave of Vitex doniana. 3 marks
8A- ONLY FOR BOTANY STUDENTS
The following picture represents the floral diagram of Rosa canina (Rosaceae) which has a
super ovule. Observe it and answer the following questions
a) Give the type of aestivation of this plant. 1 marks
b) Give the number sepals, petals and stamens 1.5 mark
c) What is it symmetry? 0.5 marks
d) Give the floral formula of the plant. 3 marks
8B- ONLY FOR GEOLOGY STUDENTS
Name and illustrate/draw all positions possible of the ovary in flowers. 6 marks
SECTION B.
1. Which are the two important activities of plant systematics and their potential importance
in research (3 marks}.
2. Briefly explain five (5) reasons why the study of plant systematics is important (10 marks).
3. List five (5) methods for practical plant identification (5 marks).
4. A botany student conducting an ecological survey was confronted with high plant diversity
and the variability in the regions ecosystems. The number of specimens collected was
overwhelming and the materials taken to the field were exhausted. Furthermore on return one
of their samples was identified as being new to science.
a) Of what importance are the herbarium specimens collected? (3 marks).
b) What precautions must be taken by the student for the plant material collected in the field
to be of good quality herbarium specimens? (2 marks).
C
) Why is it important for the student to be attentive in observing the plants when preparing
the labels for the herbarium specimens? (1 mark)
d) What will the student do to return home safely with the abundant specimens before drying
(5 marks).
e) Since one of the specimens may be new to science, what could the student have done in the
field to enable him relocate the area the specimen was collected (3 marks).
f) Which are the different tools the student will need to better observe the new specimen
properly (2 marks)
g) The new plant was a small tree of about 15 meters tall, how could he have proceeded to
collect samples for herbarium (1 mark)
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