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P.T.O.
MAR IVANIOS COLLEGE (AUTONOMOUS)
THIRUVANANTHAPURAM
Reg. No. :.………………… Name :...………………….
First Semester B.Sc. Degree Examination, November 2016
First Degree Programme under CBCSS
Core Course: Botany I
AUBO141: Angiosperm Anatomy, Reproductive Botany and Palynology
Common for Regular 2016 Admn. and Improvement 2015 Admn.
Time: 3 Hours Max. Marks: 80
SECTION A
Answer ALL questions in one or two sentences.
1. Who proposed Tunica Corpus theory
2. Dendrochronology
3. What are laticiferous tissues Give an example.
4. Porogamy
5. Pollinia
6. Filiform apparatus
7. Epithem
8. Calyptrogen
9. Cystolith
10. Quiescent centre
(10 1 10 Marks)
SECTION B
Answer any EIGHT questions, not exceeding one paragraph.
11. What is periderm How is it formed
12. Explain the dehiscence of anther.
13. Differentiate articulate and nonarticulate laticifers.
14. Differentiate colpate and colporate pollen
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15. Differentiate ring porous and diffuse porous wood.
16. What is pollenkitt Mention its functions.
17. Differentiate simple pit and bordered pit.
18. What are passage cell Mention its importance in plants.
19. Describe the structure of a mature pollengrain.
20. Define tapetum. Mention its function.
21. Differentiate heart wood with sap wood.
22. Draw and label a typical monocot vascular bundle.
2 16 Marks)
SECTION C
Short essay type Answer any SIX questions.
23. Explain Polygonum type of female gametophyte development in angiosperms.
24. Explain double fertilization and its significance.
25. How pollen grains are tested for viability
26. Compare the leaf anatomy of monocot and dicot.
27. What are meristematic tissues How are they classified based on origin and development
28. Differentiate monocot embryo from dicot embryo.
29. Explain different types of vascular arrangements.
30. How are ovules classified based on the position of micropyle and funiculus Draw diagram.
31. Explain the types of simple permanent tissues in plants. Point out their functions.
4 24 Marks)
SECTION D
Long essay type Answer any TWO questions.
32. Explain the structure of microsporangium in angiosperms with suitable diagram.
33. Write an essay on nonliving inclusions of a cell.
34. Describe anomalous secondary growth in Bignonia in comparison with normal secondary growth in dicot stem.
35. What are complex tissues Explain the structure and functions of various components of xylem and phloem.
15 30 Marks)