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P.T.O.
MAR IVANIOS COLLEGE (AUTONOMOUS)
THIRUVANANTHAPURAM
Reg. No. :.………………… Name :.…………………
Third Semester Career Related B.Sc. Degree Examination, November 2016
First Degree Programme under CBCSS Core Course IV: (for Botany and Biotechnology)
AUBB342: Environmental Studies and Phytogeography
for 2014 Admissions Improvement Only
Time: 3 Hours Max. Marks 80
SECTION A
Answer ALL the following each in a word or as short notes.
1. Name the heterogeneous group of an ecosystem.
2. Objective of 'Swavalamban' Programme.
3. Name the first stage in Hydrosere.
4. Pyrolysis of solid wastes.
5. Troposphere.
6. Deforestation.
7. What is the logo of Eco Mark of consumer products in India
8. Endangered species.
9. Ecological Niche.
10. Halophytes.
(10 1 10 Marks)
SECTION B
Answer any EIGHT questions, not exceeding one paragraph.
11. Write a brief account on the aesthetic value of forests.
12. Explain Chipko movement.
13. What is global warming
14. Briefly describe Ecological indicators.
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15. Define Acid rain.
16. Explain Eutrophication.
17. Significance of phytogeography.
18. Write the adaptations of parasites.
19. Explain tropical rain forest.
20. What are ecological pyramids
21. Reasons for displacement of people.
22. Briefly describe Ecesis.
2 16 Marks)
SECTION C
Short essay type Answer any SIX questions.
23. Explain sedge meadow stage.
24. What is food web
25. Give an account on the role of NGO's.
26. What are the major causes of Landslides
27. Write an account on conventional energy resources.
28. What are the importance of Water sheds
29. Write a note on environmental ethics.
30. Define NACP and write its objectives.
31. Give an account on In situ conservation.
4 24 Marks)
SECTION D
Long essay type Answer any TWO questions.
32. Define ecological succession and write an account on the general process of ecological succession. Write the term and describe the process of formation of forest in a rocky substratum.
33. What is population explosion Explain its causes and impacts.
34. Explain Biodiversity with special reference to its conservation and write notes on Hot Spots of biodiversity. Name two Hot Spots in India.
35. Write a detailed account on Water pollution. What are the causes and control measures of water pollution
15 30 Marks)