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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.Sc. DEGREE EXAMINATION PLANT BIOLOGY AND PLANT BIOTECHNOLOGY
FIRST SEMESTER NOVEMBER 2017
PB 1508 ALGOLOGY AND BRYOLOGY
Date: 14-11-2017 Dept. No. Max. 100 Marks
Time: 01:00-04:00
PART A
ANSWER THE FOLLOWING, EACH WITHIN 50 WORDS. (10 x 2 20 Marks)
1. What is Floridian starch?
2. Define isokont.
3. Define heterocyst?
4. How does Volvox reproduce?
5. What is SCP?
6. Define Biofuel.
7. What are elaters?
8. Define protonema.
9. What is alternation of generation?
10. Define peristome.
PART B
ANSWER THE FOLLOWING, EACH WITHIN 500 WORDS. DRAW DIAGRAMS AND
FLOWCHARTS WHEREVER NECESSARY. X 7 35 Marks)
11. Give a brief note on range of thallus organization in algae.

Write short notes on pigmentation in algae.
12. Describe the cell structure of Anabaena.

Explain the thallus structure of Sargassum.
13. What are the factors affecting biomass production of algae

Write short notes on mass cultivation of Blue green algae.
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14. Describe the vegetative reproduction in Bryophytes

Write the economic importance of Bryophytes.
15. Write about the gametophyte of Marchantia.

Describe the sporophyte of Anthoceros.
PART C
ANSWER ANY THREE OF THE FOLLOWING, EACH WITHIN 1200 WORDS. DRAW
DIAGRAMS AND FLOWCHARTS WHEREVER NECESSARY. X 15 45 Marks)
16. Give on outline of classification of algaeby Harold C Bold.
17. Explain the sexual reproduction in Gracilaria.
18. Describe the economic importance of algae.
19. List out the general characteristic features of the three groups of Bryophytes you have studied
20. Describe the sporophyte of Funaria.