LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc., DEGREE EXAMINATION – PLANT BIOLOGY & BIO TECH.
FIRST SEMESTER – SUPPLEMENTARY – JUNE 2012
PB 1505/PB 1502/PB 1500 - PLANT DIVERSITY - I (ALGOLOGY, MYCOLOGY,
BRYOLOGY)
Date : 27-06-2012
Time : 2:00 - 5:00
Dept. No.
Max. : 100 Marks
PART –A
Answer the following, each with in 50 words 50 words only:
(10 x 2 = 20 marks)
1. Heterocyst
2. Coenobium
3. Plurilocular Sporangium
4. Blue green Algae.
5. Heterotroptic organism.
6. Dolipore Septum
7. Buddling
8. Deuteromycetes
9. Elators
10. Protonema
PART – B
Answer the following, each within 500 words, draw diagrams and flow chats wherever necessary:
(5 x 7 = 35 marks)
11. a) Give salient features of chlorophyceae.
(OR)
b) Comment on the storage food in algae.
12. a) Draw and describe morphology of Vaucherie.
(OR)
b) List few Economic importance of Algae.
13. a) Draw and describe any two sexual fruiting bodies of fungi.
(OR)
b) Write notes on habit & nutrition of fungi.
14. a) Draw and describe capsule of Anthoceros.
(OR)
b) Explain the structure of Anthoceros.
15. a) Explain yeast cloning.
(OR)
b) Explain reproduction in Polyporus.
PART – C
Answer any THREE of the following, each within 1200 words,
draw diagrams and flow charts wherever necessary:
16. Explain in detail the asexual & sexuel reproduction in Albugo.
17. Trace the life cycle of Puccinia.
18. Enumerate the general characteristics of algae.
19. Explain with diagram the life cycle of Polysiphonia.
20. Explain in detail Sporophyte of Funaria.
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(3 x 15 = 45 marks)