--- Content provided by FirstRanker.com ---ENVIRONMENTAL STUDIES
(Common to CE, EEE & CSE)
Time: 3 hours Max. Marks: 70
(Compulsory Question)
*****
1 Answer the following: (10 X 02 = 20 Marks)
(b) Mention the per capita availability of forest area in India and in the world.
(c) Distinguish between abiotic and biotic components of ecosystem.
(d) Why are decomposers called micro consumers?
(e) Distinguish urban and industrial wastes with examples.
(g) How does Ozone layer protect us?
(h) Recall the term watershed management.
(i) What are sexually transmitted diseases? How these affect human life expectancy?
(j) Why is the soil on river bank is nutrient poor?
PART ? B
(Answer all five units, 5 X 10 = 50 Marks)
UNIT ? I
2 Briefly explain the types of biotic components of the environment and also mention their specific
roles in nature.
OR
3 Describe the role of individual in conservation of natural resources.
UNIT ? II
4 Explain the following:
(a) Energy flow in ecosystem.
OR
5 (a) How is diversity at all levels generally conserved?
(b) Give the benefits of biological diversity.
6 What are the main causes of water pollution? How can water pollution be controlled?
OR
7 Discuss the ways in which land is degraded. Suggest steps to check land degradation.
UNIT ? IV
8 Explain the major issues and problems related to rehabilitation of displaced people.
OR
(b) Consumerism and waste generation are interrelated ?comment.
UNIT ? V
OR
11 Prepare a detailed field report of the visit of a river site.
*****
FirstRanker.com - FirstRanker's Choice
(Common to CE, EEE & CSE)
Time: 3 hours Max. Marks: 70
--- Content provided by FirstRanker.com ---
PART ? A(Compulsory Question)
*****
1 Answer the following: (10 X 02 = 20 Marks)
--- Content provided by FirstRanker.com ---
(a) Name the three categories of the living organisms present in the environment.(b) Mention the per capita availability of forest area in India and in the world.
(c) Distinguish between abiotic and biotic components of ecosystem.
(d) Why are decomposers called micro consumers?
(e) Distinguish urban and industrial wastes with examples.
--- Content provided by FirstRanker.com ---
(f) Define air pollution? Write few causes for air pollution.(g) How does Ozone layer protect us?
(h) Recall the term watershed management.
(i) What are sexually transmitted diseases? How these affect human life expectancy?
(j) Why is the soil on river bank is nutrient poor?
--- Content provided by FirstRanker.com ---
PART ? B
(Answer all five units, 5 X 10 = 50 Marks)
UNIT ? I
--- Content provided by FirstRanker.com ---
2 Briefly explain the types of biotic components of the environment and also mention their specific
roles in nature.
OR
3 Describe the role of individual in conservation of natural resources.
--- Content provided by FirstRanker.com ---
UNIT ? II
4 Explain the following:
(a) Energy flow in ecosystem.
--- Content provided by FirstRanker.com ---
(b) Salient features of a pond ecosystem.OR
5 (a) How is diversity at all levels generally conserved?
(b) Give the benefits of biological diversity.
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UNIT ? III6 What are the main causes of water pollution? How can water pollution be controlled?
OR
7 Discuss the ways in which land is degraded. Suggest steps to check land degradation.
--- Content provided by FirstRanker.com ---
UNIT ? IV
8 Explain the major issues and problems related to rehabilitation of displaced people.
OR
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9 (a) Enlist main guidelines of the Air Act 1981.(b) Consumerism and waste generation are interrelated ?comment.
UNIT ? V
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10 Briefly discuss about the initiatives undertaken by the Indian government for empowering women.OR
11 Prepare a detailed field report of the visit of a river site.
*****
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