LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
B.Sc. DEGREE EXAMINATION – PLANT BIOLOGY & PLANT BIO-TECH.
FIFTH SEMESTER – NOVEMBER 2012
PB 5410 – FORESTRY
Date : 16/11/2012 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
PART A
Answer the following, each within 50 words: (10 x 2 = 20)
- What is a scrub jungle?
- Define edaphic factor.
- What is forest fire?
- List out the features of biosphere reserves.
- Define coppices.
- What are recreation forests?
- Mention the importance of aerial survey.
- What is wood preservation?
- Mention two methods for wild life protection.
- What is wasteland development?
PART B
Answer the following, each within 500 words. Draw diagrams wherever necessary: (5 x 7= 35)
- Enumerate the biotic and abiotic components of forests.
(or)
- Explain how climate and soil influence forests.
- Briefly explain about reserve forests and national parks and their importance.
(or)
- Give a brief account of afforestation and reforestation and their importance.
- Write notes on seed technology and nursery methods used in silviculture.
(or)
- Discuss the principles and importance of silviculture.
- Explain the importance of aerial survey and remote sensing in forest inventory.
(or)
- Give an account of forest utilization.
- Write short notes on the principles of forest economics.
(or)
- Briefly discuss about history of forest in India.
PART C
Answer any three of the following, each within 1200 words. Draw diagrams wherever necessary:
(3 x 15 = 45)
- Give an account on the types of forest in India.
- Explain the various destructive agents that threaten forests.
- Discuss in detail about agroforestry and social forestry.
- Write notes on various methods in the measurement of forest parameters.
- Explain in detail about the Indian Forest Policy of 1952 and Forest Conservation Act, 1980.
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