DISTANCE EDUCATION
M.Sc. (Botany) DEGREE EXAMINATION, DECEMBER 2017.
Specialization — Plant Bio-Technology
ANATOMY AND EMBRYOLOGY
(2008 onwards)
Time Three hours Maximum 100 marks
Answer any FIVE questions.
x 20 100)
1. Explain the theories of organization of meristems.(8)
Explain the structure of electron microscopic
structure of cell wall.
Explain the structural diversity of xylem.
2. Describe the phylogenetic specialization of phloem.

Briefly explain the structure of transfer cell.
Write short notes on the mode of activity of vascular
cambium.
3. Explain the vascular differentiation in the primary
body of root.
Explain floral vasculature.
Write the outline of classification of wood.
4. Explain the natural defects occurred in wood.
Write the differences between compression wood
and tension wood.
Explain 'pollen morphology'.
Sub. Code
13
DE-2971
2
wk12
5. Discuss pollen-stigma compatibility.
Explain the structure of female gametophyte.
Explain the structure of embryo sac.
6. Explain 'Aposony'.
List out the physical properties of wood.
List out the uses of wood.
7. Explain the structure of wood.
Write short note on reaction wood.
Write short note on wood knots.
8. Elucidate the uses of Endosperm.
Explain the role of polyembrony in plant
improvement programme.
Describe the mode of reproduction occur in higher
plants.
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