Exam Details

Subject angiosperm anatomy and reproductive botany
Paper
Exam / Course biotechnology
Department
Organization Mar Ivanios College
Position
Exam Date November, 2016
City, State kerala, thiruvananthapuram


Question Paper

(Pages: 1622
P.T.O.
MAR IVANIOS COLLEGE (AUTONOMOUS)
THIRUVANANTHAPURAM
Reg. No. :.………………… Name :.…………………
First Semester Career Related B.Sc. Degree Examination, November 2016
First Degree Programme under CBCSS Core Course (for Botany and Biotechnology)
AUBB141: Angiosperm Anatomy and Reproductive Botany
Common for Regular 2016 Admn. and Improvement 2015 Admn.
Time: 3 Hours Max. Marks 80
SECTION A
Answer ALL the following each in a word or as short notes.
1. Bulliform cells.
2. Duramen
3. Annular rings.
4. Lenticels
5. NPC system.
6. Medullary ray.
7. Casparian strips.
8. Dimorphic tapetum.
9. Calyptrogen
10. Primary pit fields.
(10 1 10 Marks)
SECTION B
Answer any EIGHT questions, not exceeding one paragraph.
11. Differentiate endothecium from endothelium.
12. Comment on intussusception and apposition.
13. What is companion cell Discuss about its functions.
14. Explain the methods of entry of pollen tubes in to the ovule.
1622
2
15. What are cystoliths Draw diagram.
16. Differentiate between monocot and dicot stomata.
17. What are alkaloids Cite two examples.
18. Describe the structure of a mature pollen grain.
19. Explain palynology in relation to taxonomy.
20. Explain about tyloses.
21. Describe the vascular bundle of Dracaena.
22. How meristems were classified based on the plane of division
2 16 Marks)
SECTION C
Short essay type Answer any SIX questions.
23. Describe the pattern of cell wall thickening in tracheary elements.
24. Describe the types of stomata with examples and diagrams.
25. Elaborate on "Histogen theory".
26. Give a brief account on microsporogenesis.
27. Write an account on periderm formation.
28. Describe the types of sclereids with illustrations.
29. Describe the types of ovules.
30. With diagram, explain dorsiventral leaf.
31. Describe a method for testing the viability of pollen grains.
4 24 Marks)
SECTION D
Long essay type Answer any TWO questions.
32. Discuss the various theories concerned with the organization of the shoot apex.
33. Compare and contrast between the primary structure of dicot and monocot stem.
34. Describe the anomalous secondary thickening in Bignonia stem.
35. Describe the structure of a mature embryosac. Add a note on Adoxa type embryosac development.
15 30 Marks)



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