DSA290: Paper Protophyta, Thallophyta, Bryophyta and Pteridophyta





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I. Simple answer questions 10 X 10 Marks
Answer in a word, or a phrase or a sentence.
1. What are viruses?
2. Which group of plant is called Amphibians of plant kingdom
3. What is thallus
4. Name the smallest bacteria
5. What is Apothecium
6. What is imperfect fungi
7. Define Lichens.
8. Which group of plants is called as vascular cryptogams?
9. What is stele
10. Name the single cell protein producing algae.
II. Short answer questions
Answer any FIVE of the following. 5X 15 Marks
11. Explain different types of Asexual reproduction in Bacteria.
12. Explain the structure of Bacteriophage.
13. Explain the different types of Lichens.
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14. Explain sex organs of penicillium.
15. Write the morphological character of Sargassum.
16. Explain structure of mature sporophyte of Marchantia.
17. Explain L.S. of Equisitum cone.
III. Medium answer questions
Answer any FIVE of the following. 5X6= 30 Marks
18. Write the economic importance of bacteria.
19. List out living and non living characters of virus.
20. Explain the internal structure of selaginella stem.
21. Write the general characters of algae.
22. Explain sexual reproduction of Rhizopus.
23. Describe V.S. of Anthocros Thallus.
IV. Long answer questions 2X10=20 Marks
Answer any TWO of the following.
24. Write the general characters of Porella.
25. Explain life cycle of Bacteria Cholpermum
26. Describe the sporophyte of pteris.
27. Explain reproductive structure of Volvox.
V. Compulsory question for 85 marks scheme only. Long answer questions.
Answer any ONE of the following. 1X10=10 Marks
28. Write the general characters of Pteridophytes.
29. Explain reproduction of bacteria.