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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc.DEGREE EXAMINATION -PLANT BIOLOGY AND PLANT BIOTECHNOLOGY
FOURTH SEMESTER APRIL 2018
PB 4510- ANGIOSPERM TAXONOMY AND ECONOMIC BOTANY
Date: 09-05-2018 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART A
Answer the following, each within 50 words. (10x2= 20 marks
1. Write about the contributions of Engler and Prantle to Taxonomy.
2. Define a Species.
3. What is Author citation? Give example
4. Expand ICBN. Add a note on its importance.
5. Write a note on the flowers of Capparidaceae.
6. What is syngenecious anther?
7. Write about Verticillaster inflorescence.
8. Write notes on Spikelet inflorescence.
9. Write the scientific name of any two fibre yielding plants.
10. Mention the uses of any two medicinal plants of Euphorbiacea.
PART B
Answer the following, each r within 500 words. Draw diagrams and flow charts wherever necessary. 35 marks)
11. a)BrieflyExplain the Bentham and Hooker's system of classification.

Explain the Artificial system of classification by Linnaeus.
12. Write about the techniques involved in Herbarium preparation.

Briefly explain Numerical Taxonomy.
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13. Write about the medicinal plants of Rutaceae.

List out the identifying features of Anacardiaceae.

14. List out the diagnostic features of Apocynaceae.

Write about leaf adnation in Solanaceae members.
15. Write about the economic values of any 4 millets studied by you.

Write about any 3 pulses studied by you.
PART C
Answer any three of the following, each within 1200 words. Draw diagrams and flow charts wherever necessary. x15= 45 marks)
16. What are Keys? Discuss in detail about the Indented and Bracketed Keys.
17. Write an account on Cladistics and molecular taxonomy.
18. Write about the vegetative and reproductive characters of Cucurbitaceae. Add a note on any 5 useful plants.
19. What are the taxonomic features of the family Lamiaceae? How they are being used for their medicinal values?
20. Write about any 3 Beverages and Spices known to you. List out their economic importance.