M.Sc. DEGREE EXAMINATION,
APRIL 2017
Second Semester
Botany
PLANT ANATOMY, EMBRYOLOGY AND PLANT
BREEDING
(2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. Apical meristem
2. Quiescent centre
3. Lateral root
4. Nodal anatomy
5. Microsporangium
6. Tapetum
7. Apomiocis
8. Agamospory
9. Self fertilization
10. Polyploidy.
Sub. Code
525202
RW- 194
2
Wk 3
Part B x 5 25)
Answer all questions.
All questions carry equal marks.
11. Write any two theories of shoot apical meristem.
Or
Describe the cell division in Cambium.
12. Briefly describe the types of stomata.
Or
Brief about the leaf and petiole anatomy.
13. Write short notes on Microsporogenesis.
Or
Comment on Megasporangium.
14. Describe types of endosperm.
Or
Write short notes on Polyembryony.
15. Give an account on pure line selection.
Or
Describe the advantages of back cross breeding.
Part C x 10 30)
Answer any three questions.
16. Write the structural diversity and phylogenetic trends in
specialization of xylem and phloem.
17. Give an account of anamalous structure of stem.
RW- 194
3
Wk 3
18. Describe the structure of a female gametophyte with a
neat diagram.
19. Explain the embryo development in monocot.
20. Describe different methods of plant breeding each with
one example.
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