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: _22/09/2017_______Halls: __ASANJI ________Time: 2 HRS
Instructions: Answer all questions CHRONOLOGICALLY.
SECTION A
1. What is the name commonly given to the immature and coiled leaves of polypodiales? (1 mark)
2. A leaf bearing sporangia is known as ……….(1 mark)
3. The region of nonvascular parenchyma tissure interrupting the vasculature of stem of
euphyllophytes is known as …..(1 mark)
4. The common club-moss is known as………..(1 mark)
5. State the difference between gametophyte of equisetum and that of a fern? (2 marks)
6. Which species of horsetail has been planted on the university campus? (1 mark)
7. The young gametophyte of a pteridophyte Is known as …. (1 mark)
8. What is the name given to the trachery cells that develop within a patch of xylem in lycophytes? (1
mark)
9. The sporophytic leaf in lycophytes characterized with intecallery meristerm and lacking a gan in the
vasculature of the stem is known as ….. (1 mark)
10. State the three major families that constitute the lycophytes. ( 3 marks)
11. The condition in plants where only one type of spore is produced per plant is known as …. (1
mark)
12. Draw a portion of a mature Selaginello. (5marks).
13. The condition in sellaginella and isoetes where the gametophyte develop entirely within the
original spore wall is known as ….? (1 mark)
14. The type of stem vasculature in which a ring of xylem is surrounded by an outer layer of phloem is
known as …..(1 mark)
15. Which term is commonly used to describe the leaf of a bracken fern? (1 mark)
16. The petiole-like stem of the leaf of a bracken fern is known as…..? (1 mark)
17. The determinant shoot system that bears sporophylls and modified leaves with sporangia is known
as …..(1 mark)
18. The loss of axillary branching on the axial trunk of some seed plants known as…..? (1 mark)
19. Which biological process is carried out by the green leaves of a bracken fern? (1mark)
20. 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)
21. The spores produced by a macrosporangium are known as? (1mark)
22
23. Which biological term is used to describe the underground stem of a fern? (1mark)
24. The production of both male and female cones on the same individual is known as? (1 mark)
25. The production of two types of spores by the same individual is known as? (1mark).
26. State two differences between Selaginella and lycopodium. (2marks)
27. Give the scientific name of pine (1mark)
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28. What biological term is used to describe those pteridophytes that grow on tree barks and rock
walls? (1 mark)
BOTS2202- Higher Plants Re-sit 2017
SECTION B-Answer all the questions
1) (10 mks) Tick the correct answer
i) The interguments give rise to: a) the fruit b)the seed coat c) the ovules (d)a peduncle
ii) The Greek word sperma means a) seed, b) vessel c)calyx d)corolla
iii) The flowers in Magnoliopsida are mostly in whorls of a) 4 &5 b) 2 & 6 c) 1 &3 d)7 & 8
iv) The funiculus is the stalk of a) a fruit b) the seed c) the leaf d) the flower
v) The fruit wail 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) A berry is derived from a) a simple usually one-seeded carpel b)a one-seeded carpel c)a one-
seeded indehiscent fruit d)compound ovary.
viii) The stalk of a leaf is called a) peduncle b) petiole c) peduncle d) perianth
ix) The fibrous root system is derived from a) the pericycle b) the stem c) the seminal root d) the leaf.
x) Three primary meristems are a) xylem.phloem,cambium b)procambium, protoderm, cortex
c)epidermis, cambium, phloem d)protoderm, procambium,ground meristem.
2. (10mks) Fill in the blanks
i) 4 criteria for classifying fruits are ---- , ………, ……..,…….and……
ii) 4 functions of leaves are -------, —————, — --------------- , and ……….
iii) Three examples of pericarp dry dehiscent fruits are …..,….. and ….while three of pericarp dry
indehiscent are …………,………. And ……….
iv) The role of the epicotyls in a developing embryo is .... And that of the radical is………...
v) The main function of the root are -------- and -—
vi) A mature embryosac of an angiosperm comprises …. number of nuclei.
vi) Multiple fruits are formed from --------- types of inflorescences.
vii) Bee-pollinated flowers have ------ and — - fragrance while those pollinated by short-tongue flies
have ……………and --------------------- odours
viii) The stalks of the folIowing are called ---- for single flower, ………..for leaves,…… for seeds,
………… for inflorescences.
ix) Three examples of aggregate fruits are ……….,……. And ………..
2. (15mks.) Draw the following
i) A synconium,
ii)Nodulose roots,
iii) Alternate phyllotaxy
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