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Sbl 106: Lower Plants Question Paper

Sbl 106: Lower Plants

Course:Bachelor Of Science In Biology

Institution: South Eastern Kenya University question papers

Exam Year:2016

SOUTH EASTERN KENYA UNIVERSITY
UNIVERSITY EXAMINATIONS 2016/2017

FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR
SCIENCE IN BIOLOGY AND BACHELOR OF EDUCATION SCIENCE

SBL 106: LOWER PLANTS
9TH DECEMBER, 2016 TIME: 4.00-6.00 P.M

INSTRUCTIONS TO CANDIDATES

(a) Answer ALL the Questions in Section A
(b) Answer ANY TWO Questions in Section B
(c) Illustrate your answers with well labeled diagrams where appropriate

SECTION A (30 Marks)
1. Name the three growth patterns observable in lichens. (3 marks)
2. Name any four classes of algae. (4 marks)
3. Differentiate between Ascolichens and basidiolichens. (2 marks)
4. List four general characteristics that define bryophyte plant body. (3 marks)
5. Name the three major classes of bryophytes. (3 marks)
6. Give four roles that lower plants play in nature. (4 marks)
7. Give any four features that define pteridophytes. (4 marks)
8. Using clearly labelled diagrams, differentiate between protostele and siphonostele.
(4 marks)
9. What are the three major protocols developed to conserve lower plants. (3 marks)

SECTION B (40 Marks)
10. Discuss lichen reproduction. (20marks)
11. With aid of clearly labelled diagrams discuss the lifecycles of bryophytes and
pteridophytes. (20 marks)
12. Discuss the classification of pteridophytes giving main features in each class.
(20 marks)
13. Discuss the vascular system in pteridophytes. (20 marks)

Sbl 106: Lower Plants Question Paper

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