HIGHER PLANTS (BOTS2202)
Biological Science - BS
Semester: Second Semester
Level: 200
Year: 2017
REPUBLIC OF CAMEROON THE UNIVERSITY OF BAMENDA
Peace-Work-Fatherland
P. O. BOX 39 Bambili
School/Faculty: _SCIENCE____________ Department:_Biological Sciences
Lecturer(s): _Pr MENDI and TAGHAM
Course Code: _BOTS2202_______ Course Title: HIGHER PLANTS
Date: _03/08/2017_______Halls: __AMPHI 650 ________Time: 11:00-14:30
Instructions: Answer all questions CHRONOLOGICALLY.
Part 1
1) mks) Tick the correct answer
i) The seed coal originates from: a) the fruit b) integuments (c) the ovules d) a peduncle
ii) The Greek word angeion means a) seed b) vessel c) calyx d) corolla
iii) The flowers in liliopsida are mostly in whorls o (a) 4 &5 b) 2 & 6 c) 1 &3 d) 7 &8
iv) The peduncle is the stalk of a) a fruit b) one flower c) the leaf d) compound inflorescence.
v) The fruit wall comprises a) the pericarp, the ovule, the mesocarp b) the endocarp, the ovule, the
mesocarp c) the exocarp, the mesocarp, the endocarp d) the pedicel, the calyx, the ovary.
vi) The pod splits along a) one suture b) 2 sutures c) 4 sutures d) no suture.
vii) The German Botanist Adolf Engler's theory of the origin of Angiosperms holds that: flowering
plants evolved from conifers (b) flowering plants evolved from seed ferns (c) all Angiosperms inhabit
fresh water (d) flowering plants do not evolve from conifers
viii) The bases of most monocot leave have (a) peduncles b) petioles c) funiculi d) sheaths
ix) The fibrous root system is derived from a) the pericycle b) the stem c)the embryonic radicle d) the
leaf
x) three primary meristem are a) xylem, phloem, cambium b) procambium, protoderm,cortex c)
epidermis, cambium, phloem d) proteaem, procambium, ground meristem
2. (20 mks) Fill in the Blanks
i) 3 criteria for classifying fruits are ------------- , ----- and --
ii) Three regions of the leaf are ………, ……… and …………
iii) Three examples of pericarp fleshy simple fruits are …………., ………… and …………. While three of
pericarp dry indehiscent are …………, ……….. and ………………..
iv) The generative nucleus, after mitosis and on fertilization in the embryosac produces the ……. And
………….
v) Bettle pollinated flowers have ……. And …….. fragrance while those pollinated by birds have ……
and ……. Colours
vi) a caryposis comprises two layers which are the … and ………..
3. (5 mks) Draw the following
i) A pinnately compound leaf
ii) A branch
iii) A pod
iv) Nodulose roots
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Part 2
1. The young gametophyte of a pteridophyte Is known as …. (1 mark)
2. What is the name given to the trachery cells that develop within a patch of xylem in lycophytes? (1
mark)
3. the sporophytic leaf in lycophytes characterized with intecallery meristerm and lacking a gan in the
vasculature of the stem is known as ….. (1 mark)
4. state the three major families that constitute the lycophytes. ( 3 marks)
5. The condition in plants where only one type of spore is produced per plant is known as …. (1 mark)
6. a leaf bearing sporangia is known as ……….( 1 mark)
7. The common club-moss is known as………..(1 mark)
8. The condition in sellaginella and isoetes where the gametophyte develop entirely within the
original spore wall is known as ….? (1 mark)
9. The region of nonvascular parenchyma tissure interrupting the vasculature of stem of
euphyllophytes is known as …..(1 mark)
10. The type of stem vasculature in which a ring of xylem is surrounded by an outer layer of phloem
is known as …..(1 mark)
11. Which species of horsetail has been planted on the university campus? (1 mark)
12. What is the name commonly given to the immature and coiled leaves of polypodiales? (1 mark)
13. Which term is commonly used to describe the leaf of a bracken fern? (1 mark)
14. The petiole-like stem of the leaf of a bracken fern is known as…..? (1 mark)
15. State the difference between gametophyte of equisetum and that of a fern? (2 marks)
16. The determinant shoot system that bears sporophylls and modified leaves with sporangia is
known as …..(1 mark)
17. The loss of axillary branching on the axial trunk of some seed plants known as…..? (1 mark)
18. Draw a portion of a mature Selaginello. (5marks).
19. Which biological process is carried out by the green leaves of a bracken fern? (1mark)
20. Which biological term is used to describe the underground stem of a fern? (1mark)
21. The production of both male and female cones on the same individual is known as? (1 mark)
22. The phenomenon in vascular plants where the pollen grain develops a pollen tube that conveys
the male gametes to the ovule is known as? (1mark)
23. The production of two types of spores by the same individual is known as? (1mark).
24. State two differences between Selaginella and lycopodium. (2marks)
25. Give the scientific name of pine (1mark)
26. The spores produced by a macrosporangium are known as? (1mark)
27. What biological term is used to describe those pteridophytes that grow on tree barks and rock
walls? (1 mark)
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