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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc.DEGREE EXAMINATION -PLANT BIOLOGY AND PLANT BIOTECHNOLOGY
FOURTH SEMESTER APRIL 2018
16UPB4MC01- ANGIOSPERM TAXONOMY AND ECONOMIC BOTANY
Date: 20-04-2018 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART-A (10 x 2 20 Marks)
Answer the following, each within 50 words.
1. What is taxonomic hierarchy?
2. Define APG.
3. Define author citation.
4. What is molecular taxonomy?
5. Define androgynophore.
6. Comment on androecium of Annonaceae.
7. Mention the features of cyathium.
8. Define the floral morphology of Orchidaceae .
9. What are spices?
10 Define fibres.
PART- B x 7 35 Marks)
Answer the following, each within 500 words. Draw diagrams and flowcharts wherever necessary
Explain the importance and scope of plant taxonomy.

Mention about indented and bracketed keys
Write a brief note on Plant Nomenclature

Describe the rule of priority and its typification
Explain in detail about the flower of Capparidaceae and compare it with Anacardiaceae.

Describe the characteristic features of the family Fabaceae.
Explain the features and economic importance of Amaranthaceae.

(b)Give an account of the flower characteristic features of the familyApocynaceae.
Write a brief note on binomial, family and uses of Indian periwinkle and sweetflag

Write a note on binomial family and uses of any three cereals and legumes.
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PART-C x 15 45 Marks)
Answer any three of the followingeach within1200 words. Draw diagrams and flowcharts wherever necessary
16. Discuss Bentham and Hooker's system of classification. Add a notes on its merits and demerits.
17.Write an essay on herbarium techniques.
18. Discuss the salient features and economic importance of the family Nymphaceae.
19. Describe the diagnostic characters and economic importance of Solanaceae
20. Write detailed notes on binomial, family and economic importance of any threespices and condiments