DSB290: Paper II: Gymnosperms, Paleobotany, Anatomy, Embryology and
Ecology
I. Simple answer questions 10 X 10 Marks
Answer in a word, or a phrase or a sentence.
1. Name the type of pollination in Gymnosperm.
2. What is epistomatic condition Give one example.
3. Who is the father of Indian Paleobotany
4. Expand IUCN.
5. What is enucleated cell Give one example.
6. Define the term Mesogamy.
7. In which Gymnosperm ovuleferous scales are present.
8. What is Food web
9. Name any two epiphytes.
10. What is pollen kitt
II. Short answer questions
Answer any FIVE of the following. 5X 15 Marks
11. Mention any three primitive features of cycas.
Contd…2



12. Classify the meristematic tissue based on origin.
13. Write a note on annual rings.
14. Write a brief note on the types of Tetrads.
15. Mention the morphological adaptations of halophytes.
16. Write a brief note on significance of paleobotany.
17. Mention any five national parks in Karnataka.
III. Medium answer questions
Answer any FIVE of the following. 5X6= 30 Marks
18. How do you distinguish between the different types of ovules?
19. Explain the development of dicot embryo.
20. Describe the morphological and Anatomical adaptations of Xenophytes.
21. Write the interpretation theories of Gnetum female cone.
22. Explain the morphological features of the plant body of pinus.
23. Distinguish between the external structure of cacurbita stem with grass stem.
IV. Long answer questions 2X10=20 Marks
Answer any TWO of the following.
24. Explain the Anomalous secondary growth in Boerhaaria stem.
25. Explain monosporic embryosac development.
26. Justify the statement that the order gnetales is advanced group in the
gymnosperms.
27. Explain Hydrosere.
V. Compulsory question for 85 marks scheme only. Long answer questions.
Answer any ONE of the following. 1X10=10 Marks
28. Explain glandular tissue system.
29. Distinguish between the ovules of cycas and gnetum.