Thursday, October 22, 2009

environmentalscience-old question papers-jntu -2-1-btechbiotechnology

Code No: 07A3EC11 Set No. 1
II B.Tech I Semester Regular Examinations, November 2008
( Common to Electronics & Communication Engineering, Chemical
Engineering, Electronics & Telematics, Electronics & Computer Engineering
and Aeronautical Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
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1. What are the di erent activities that can be taken up to increase public awareness of
environmental issues? Explain how they help in better environmental management.
2. (a) What are the major water reservoirs of the World? How much water is fresh
and where is it?
(b) What do you mean by:
i. eutrophication
ii. super fest
iii. shifting cultivation
iv. water logging. [8+8]
3. (a) Explain the functioning of hydrological cycle.
(b) Discuss the evaluation of climax ecosystem along with an example. [8+8]
4. (a) Write a note on Habitat loss.
(b) Write a note on Poaching of wildlife. [8+8]
5. (a) Mention the Four most important air pollutants- their sources and e ects on
man and environment.
(b) Write a note on Cyclone Scrubbers. Also mention the advantages and disad-
vantages of these scrubbers. [6+10]
6. (a) What is sustainable development?
(b) What are the primary needs of sustainable development?
(c) Discuss various measures of sustainable development. [6+4+6]
7. Describe the role of any EIGHT of the following Naturalists or Environmentalists
or ENGOs with reference to ‘Society and Environment’:
(a) Sundarlal Bahuguna
(b) Medha Patkar
(c) Indira Gandhi
(d) Salim Ali
Code No: 07A3EC11 Set No. 1
(e) Raschel Carson
(f) Sunita Narain
(g) Gro Harlem brundtland
(h) Maneka Gandhi
(i) Willium Wordsworth
(j) Louis Pasteur
(k) J.C. Bose
(l) Ramana Maharshi
(m) Helen Keller
(n) Wangari Maathai
(o) Baba Amte
(p) Jimmy Carter
(q) WWF
(s) UNO
(t) MOEF. [16]
8. Prepare a detailed report on the maintenance and management of water and waste
in your town/city. Give the reference of cities like Chandigarh, Surat and Curitiba.
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