M.Sc. DEGREE EXAMINATION, APRIL 2018
Second Semester
Botany
TAXONOMY OF ANGIOSPERMS AND ECONOMIC
BOTANY
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. Comment on the significant failure of Englar and Prantl
classification.
2. What are the two classes of angiosperins by Takhtajan?
3. Numerical taxonomy.
4. Cytotaxonomy.
5. Vasculum.
6. Tautonyms.
7. Circumscissile capsule.
8. Irregular flower.
9. Spikelet.
10. Bast fibres.
Sub. Code
7MBO2C1
AFS-0600
2
Wk3
Part B X 5 25)
Answer all questions choosing either or
11. Write down the merits and demerits of Bentham
and Hooker's classification.
Or
Write down any five general principles adopted by
Hutchinson.
12. Explain how serum test is carried out in plants.
Or
Write about the influence of embryological
characteristics in Taxonomical classification.
13. What are the main points of International Code?
Or
What are the main functions of NBG?
14. Explain the family Oleaceae with suitable type
member.
Or
Explain the androecium and gynoecium of a species
of Verbanaceae.
15. Write about drugs obtained from underground
stems.
Or
Explain steam distillation of essential oils.
AFS-0600
3
Wk3
Part C X 10 30)
Answer any three questions.
16. Explain the phylogeny of angiosperms.
17. Describe the development of molecular taxonomy.
18. Explain any five taxonomic literature components.
19. Describe the salient features of Bignoniaceae. Add a note
on its economic importance.
20. Write an elaborated account on classification of fatty oils
and add a note on the extraction of vegetable oils.
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