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Bota 310:Morphogenesis And Developmental Anatomy December 2008 Question Paper

Bota 310:Morphogenesis And Developmental Anatomy December 2008

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2008

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 from Section
SECTION A. (40 MARKS)
1. Indicate whether the following statement are true or false
(i) Secondary growth takes place in herbaceous annual and biennials (
2
1 mk)
(ii) Secondary growth takes place by radial divisions of cambial cells leading to formation
of secondary xylem and phloem. (
2
1 mk)
(iii) Medullarly rays are formed by secondary adjacent vascular bundles ( 2
1 mk)
(iv) In maize stem the arrangement of vascular bundles is collateral ( 2
1 mk)
(v) Cambium is absent in Amaryllis root. ( 2
1 mk)

2. (i) Name the precursor of Oospore (1 mk)
(ii) Differentiate between endospermic and non-endospermic seeds. (2 mks)
(iii) Name the type of the flower which multiple fruit develop. (1 mk)
(iv) Apart from multiple fruit, name other two types of fruits. (2 mks)
(v) State what a fruit is. (1 2

1 mk)
3. (i) Name three characteristics of meristematic tissues. (3 mks)
(ii) Differentiate between primary and secondary meristems. (2 mk)
(iii) Describe and illustrate the following tissues.
(a) Apical meristem (2 mks)
(b) Intercalary meristem (2 mks)
(c) Lateral meristem (2 mks)

4. Explain briefly the following statements;
(i) The xylem of young gram root is exarch (2 mks)
(ii) The arrangement of vascular bundles in amaryllis root is radial. (2 mks)
(iii) Vascular bundles in monocotyledonous stem are closed while those in
dicotyledonous stem are open. (2 mks)
(iv) Xylem in dicotyledonous stem is centrifugal. (2 mks)

5. (i) Differentiate between tunica and corpus (2 mks)
(ii) Name three tissues which are formed during cell differentiation (3 mks)
(iii) List the sequence of events which take during the process of cell expansion. (3 mks)
(iv) Name the three longitudinal zones of a stem apex. (3 mks)

SECTION B. (30 MARKS)
6. Discuss growth and development of the shoot. (15 mks)

7. Distinguish between the structure of cross sections of monocotyledonous and dicotyledonous
stems. (15 mks)

8. Discuss the procedure of propagating plants through tissue culture, using the leaf part
of the plant (15 mks)

Bota 310:Morphogenesis And Developmental Anatomy December 2008 Question Paper

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