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Bota 310:Morphogenesis And Developmental Anatomy August 2009 Question Paper

Bota 310:Morphogenesis And Developmental Anatomy August 2009

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2009

KABARAK UNIVERSITY UNIVERSITY EXAMINATIONS
2008/2009 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION
SCIENCE
COURSE CODE: BOTA 310

INSTRUCTIONS TO CANDIDATES:
Answer all Questions in SECTION A and any TWO in SECTION B

SECTION A (40 MARKS)
1. Explain what is meant by the following statements;
a) The xylem of young gram root is exarch (2 Marks)
b) The arrangement of vascular bundles in Amaryllis root is radial. (2 Marks)
c) Vascular bundles in Monocotyledonous stem are closed while those in
dicotyledonous stem are open. (2 Marks)
d) Xylem in dicotyledonous stem is centrifugal. (2 Marks)

2. a) Differentiate between tunica and corpus. (2 Marks)
b) Name three tissues which are formed during cell differentiation. (3 Marks)
c) List the sequence of events which take place during the process of cell expansion.
(3 Marks)
d) Name the three longitudinal zones of stem apex. (3 Marks)

3. a) Describe three characteristics of meristematic tissues. (3 Marks)
b) Differentiate between primary and secondary meristems. (2 Marks)

4. a) Name the precursor of Oospore. (1 Mark)
b) Differentiate between endospermic and non- endospermic seeds. (2 Marks)
c) Name the protective sheath of plumule in grains. (1 Mark)
d) Name the type of flower from which multiple fruite develop. (1 Mark)
e) Apart from multiple fruit named above, name other two types of fruits.
(2 Marks)
f) Explain what a fruit is. (2 Marks)

5. a) Write explanatory notes on the following;
i. Totipotency (2 Marks)
ii. Explants (2 Marks)
b) Explain three advantages of using plant tissue culture over traditional methods
of plant propagation (3 Marks)

SECTION B (30 Marks)
6. Discuss the three regions of promeristem. (15 Marks)

7. Discuss the differences between the structure of cross- sections of monocotyledonous
and dicotyledonous stems (15 Marks)

8. Discuss the meaning of isobilateral and dorsiventral leaves and the differences
between the structures of the two types of leaves (15 Marks)

Bota 310:Morphogenesis And Developmental Anatomy August 2009 Question Paper

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