Lower Plants (BOTS2101)
Biological Science - BS
Semester: First Semester
Level: 200
Year: 2014
THE UNIVERSITY OF BAMENDA FACULTY OF SCIENCE
DEPARTMENT OF BIOLOGICAL SCIENCES
Continuous Assessment of BOTS 2101: Lower Plant
Date: 26
th
January 2015 Duration: 2 hours’ Time: 2-4 PM
Marked on 30
Write the letter of the one phrase or word that best answers each question or complete each statement.
1. Agar-Agar is obtained from
a) Gelidium b) Polysiphonia c) Fucus d) Laminaria
2. Plants which are not differentiated into roots, stem and leaves are grouped under
a) Gymnosperms b) Pteridophytes c) Thallophytes d) Lower plants
3. One of the following is present in Red algae.
a) Starch b) Cyanophycean granule c) Any polysaccharide d) Floridian starch
4. Ability to fix atmospheric nitrogen is found in
a) leaves of some crop plants b) Chlorella c) Some marine red algae d) Some blue green algae
5. Heterocysts are
a) Green and small b) Green and large c) colourless and small d) Colourless and large
6. Cyanophyta belongs to,
a) Monera b) Protoctista c) Plants d) Fungi
7. Algae have different colors because they have different?
a) chloroplasts b) skin color c) pigment d) chlorophyll
8. Sulfolubus Bacterial can
a) produce methane b) survive in an area of higher temperature and higher pH c) thrive in extreme salinity
conditions d) live in area of higher temperature and lower pH
9. Bacteria lack a true nucleus and membrane-bound organelles; therefore they are classified as
a) prokaryotes b) anacrobes c) aerobes d) eukaryotes
10. In Basidiomycota, sexual spores called basidiospores are
a) external on asci b) internal in basidia c) external on basidia d) internal in asci
11. Yeast (saccharomyces) belongs to which group of fungi?
a) Basidiomycota b) Myxomycota c) Chytridiomycota d) Ascomycota
12. Which of the following fungi is largely consumed in the North-West Region?
a) Termitomyces b) Amanita c) Cortinarius d) Volvariella
13. A haploid reductive cell that may divide and give rise to a new plant is called:
a) Spore b) Gamete c) Zygote d) Embryo
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14. Which of the following stages in life cycle are diploid (two answers)
a) Gametes b) Zygote c)Gametophyte d) Sporophyte e) Spore
15. Which of the following group of Fungi possesses flagellum?
a) Chytridiomycota b) Ascomycota c) Zygomycota d) Basidiomycota
16. Which of the following is NOT a shared characteristic of protists?
a) Unicellular b) heterotrophy c) prokaryote d) multicellular
17. Which of the following is NOT a characteristic of Fungi?
a) heterotroph b) make its own food c) reproduce with spores d) eukaryotes
18. What is the major fungus component of lichens in temperate region?
a) Basidiomycetes b) Ascomycetes c) Pynidiomycetes d) Fungi e) Blue green algae
19. Graphis scripta belongs to which group of lichens?
a) Foliose lichen b) Fruticose lichen c) Crustose d) Oldman’s beared e) Bryophytes
20. State one example of lichen that is formed from a combination of crustose or foliose lichen with
part of fruticose stalks.
a) Gyrophora b) Cladonia c) Graphis scripta d) Usnea fernandae c) parmelia
21. Which are the major bud-like structures that are responsible for vegetative multiplication in
lichen?
a) Thallus b) Spores c)Soredia d) Soridia e) Soridium
22. One major ecological importance of lichens is colonization of waste land is?
a) soil formation b) source of food c) source of medicine d) source of dyes e) none of the above
23. The study of a evolutionary relationship that exist between organisms is knowns as?
a) Apomorphy b) Phylogenetics c) Cladistics d) Systematics e) Apomorphy and Phylogenetics
24. How do bryophytes differ from vascular plant?
a) The sporophyte is the persistent phase of the life cycle b) the gametophyte is dormant phase of life cycle
rather than sporophyte. c) The stipe is exactly similar to the stem of vascular plants. d) none is true e) b and
C are correct
25. To which class does Marchantia polymorpha belong?
a) Marchantiales b) Marchantiopsida c) Marchantiophyta d) sphaerocaridae e) Monocleales
26. One of the following is an apomorphy that characterizes the liverworts.
a) Existence of two distinct forms b) The thalloids forms have a thallus c) the occurrence of distinctive oil
bodies d) presence of elaters e) c & d are correct.
27. The specialized structures in liverworts charge with vegetative propaganda is known as?
a) Gemmae b) Gemma c) Gemmae cups d) thallus c) protunemia
28. The region of actively diving cells near the base of the sporophyte of hornwort is known as?
a) intercalaly meristern b) intercalary merristen c) Meristein tissuke d) collumela d)pseudoelaters
29. What major difference exist between the Marchantiophyta and jungermaniosphta?
a) lobbed spore mother cells in marchantiophyta b) unlobed spore mother cells in Jungermanniophyta c)
The spore mother cells are unlobed in the Marchantiophyta d) None of the above e) the wall of the spore is
has two layers in Marchantiophyta
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30. What does monophyletic mean?
a)j An ancestor and all its descendants. b) Descendants of the first land plants c) Plants growing together
and of the same family d) Ancestors of several generations and descendants. c) this term are limited to land
plants
31. The change in shape in response to changes in moisture cotent in the environment is known as?
a) Hydroscopic b) Hydroscopy c) Hygroscopy d) Hyrogrophic e) Elaters.
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