2015
ENVIRONMENTAL STUDIES
Full Marks: 75
Time: 3 hours
(The figures in the margin indicate full marks for the questions)
1. (a) Give answer: 1x5=5
1) What is ‘Red Data Book’?
2) Where Pampas’s grassland ecosystem is located?
3) What is Itai-Itai?
4) Which person is known as ‘Water man’?
5) Give an example of non-renewable resources.
(b) Fill in the blanks: 1x5=5
1) Chipko movement was led by _______.
2) PIL is the short form of _______.
3) The term ‘ecosystem’ was coined by _______ in 1935.
4) The full form of COD is _______.
5) Quinine is obtained from the bank of _______ tree.
2. Write briefly: 3x5=15
a) Major cause of deforestation.
b) Process of succession.
c) In-situ and ex-situ conservation of biodiversity.
d) Effects of air pollution.
e) Measures for sustainable development.
3. Answer the following questions: 5x6=30
(a) What is energy resource? Discuss about the renewable energy resources.
Or
What is land degradation? Write briefly about the causes of land degradation.
(b) Discuss about the benefits and problems of big river dams.
(c) Define biodiversity and discuss its different types.
Or
Write briefly about man-wildlife conflict.
(d) Write down a short note on biodiversity of Assam.
(e) What do you mean by Watershed Management? Discuss main objectives of Watershed Management.
Or
Discuss the modern techniques of rain water harvesting.
(f) Discuss the urban problems related to energy.
4. What is solid waste? Discuss sources and effects of solid wastes. 2+4+4=10
Or
What is flood? What are the causes and impacts of flood with reference to Assam? 2+8=10
5. Define ecosystem. Discuss the structure and function of ecosystem. 2+8=10
Or
Discuss salient features of desert ecosystem and aquatic ecosystem. 5+5=10
-000-
Post a Comment
Kindly give your valuable feedback to improve this website.