M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Botany
PLANT DIVERSITY I
(ALGAE, FUNGI, LICHENS AND BRYOPHYTES)
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Laminarian starch.
2. Alginic acid.
3. Diplontic life cycle.
4. Single cell protein.
5. Apothecium.
6. Teleutospores.
7. Parasexuality.
8. Isidia.
9. Elaters.
10. Operculum.
Sub. Code
4MBO1C1
AFF-4892
2
Sp3
Part B x 5 25)
Answer all questions, choosing either or
11. Explain various types of morphological features of
diatoms.
Or
Draw and explain the ultra structure of a
prokaryotic algal cell.
12. Analyse the possibility of algae as pollution
indicator.
Or
Write the composition of Knop's solution.
13. Give an account of mode of nutrition in fungi.
Or
Write the medicinal uses of fungi.
14. Give an account of spore dispersal mechanism in
fungi.
Or
What do you mean by homothallism? Explain.
15. Draw the structure of gemma cup and write its
function as reproductive body.
Or
Write brief notes on various types of sporophytes of
bryophytes.
AFF-4892
3
Sp3
Part C x 10 30)
Answer any three questions.
16. Draw the L.S. view of male and female conceptacles of
Sargassum and explain the reproductive structures.
17. Discuss the economic importance of algae.
18. Describe the classification of fungi by Alexopoulus.
19. Explain the types of reproduction in fungi.
20. Describe the sexual reproduction of Polytrichum.
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