Jawaharlal Nehru Technological University Kakinada 2008 B.Tech Electronics and Communications Engineering environmental sciences - Question Paper

All ques. carry equal marks
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1. (a) discuss the branches of environmental education.
(b) Write a note on population growth. [6+10]
2. (a) What is soil erosion? How can it be checked?
(b) provide a few examples of strategic minerals. Where are the largest supplies of
these mineralslocated? [8+8]
3. (a) explain about the elements of an aquatic ecosystem.
(b) discuss the primary and secondary succession. [8+8]
4. (a) Distinguish ranging from the endemic and endangered species.
(b) explain the di?erent threats to biodiversity. [8+8]
5. (a) What is noise pollution? Write the possible e?ects of noise pollution on animal
health.
(b) elaborate different methods of control to decrease noise pollution? [8+8]
6. Write a short note on:
(a) Global Warming
(b) Acid Rains
(c) Ozone Holes. [5+5+6]
7. explain any 4 of the following:
(a) ‘Environmental education is a synonym of value education’
(b) ‘Technology owes ecology an apology’
(c) Man is the wildest of all animals; Man is the pest of the planet.
(d) Life after 100 years
(e) Extinction of mankind. [16]
8. (a) Prepare a detailed report on the kinds of pollution produced due to a local
polluted site in an urban area. provide suggestions for improving the area as an
Eco-Industrial Park.
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(b) Write a detailed note on making Hyderabad as the cleanliest city of India with
reference to the measures adopted in Surat, Chandigarh and Curitiba. [8+8]
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2 of 2Code No: 07A3EC11 Set No. 3
II B.Tech I Semester Regular Examinations, November 2008
ENVIRONMENTAL STUDIES
( Common to Electronics & Communication Engineering, Chemical
Engineering, Electronics & Telematics, Electronics & Computer Engineering
and Aeronautical Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. (a) Enumerate the properties of soil.
(b) explain the hydrological cycle with a neat sketch. [8+8]
2. (a) elaborate the advantages of recycling minerals?
(b) How can you as an individual conserve di?erent natural resources? [8+8]
3. (a) discuss biogeochemical cycles in sustaining life on earth.
(b) Enumerate the branches of ecology. [8+8]
4. (a) Write a note on Man-animal con?ict.
(b) Di?erentiate ranging from Genetic diversity and species diversity. [8+8]
5. (a) What is noise pollution? Write the e?ects of noise pollution on human health
mentioning the noise levels of a few noisy sources in dB (A).
(b) define the different methods of control of ‘Noise Pollution’. [8+8]
6. explain the following:
(a) Chernobyl Disaster vs. Bhopal tragedy
(b) Ozone Depletion vs Green house e?ect. [8+8]
7. (a) ‘Information Technology can play an important role in improving the quality
of Human life and environment’-Explain.
(b) Write a note on the control of the transmission of AIDS. [10+6]
8. (a) Prepare and analyze the kind and amount of pollution o?ered by an industry
at a place near Hyderabad. provide suggestions for improvement to make the
area more environment friendly.
(b) Write note on the need of a green belt/zone to be maintained by any industry.
[10+6]
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1 of 1Code No: 07A3EC11 Set No. 4
II B.Tech I Semester Regular Examinations, November 2008
ENVIRONMENTAL STUDIES
( Common to Electronics & Communication Engineering, Chemical
Engineering, Electronics & Telematics, Electronics & Computer Engineering
and Aeronautical Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
? ? ? ? ?
1. (a) De?ne lapse rate and temperature inversion.
(b) List the di?erent components of the biosphere and their interdependency.
[8+8]
2. (a) define ways of conserving metals and other mineral resources.
(b) elaborate the environmental hazards associated with mineral extraction. [8+8]
3. (a) explain on adaptation by natural selection.
(b) With a neat sketch, discuss how the element carbon is recycled in nature.
[8+8]
4. (a) List the environmental services o?ered by biodiversity.
(b) explain the Biopiracy. [8+8]
5. (a) define the ‘Classi?cation of air pollutants’.
(b) discuss the importance of control of air pollution in the preservation and
protection of environment. [8+8]
6. explain the concept:
(a) Global Warming
(b) Sustainable Development
(c) Environmental self Audit. [5+5+6]
7. define the role of any 8 of the subsequent Naturalists or Environmentalists
or ENGOs with reference to ‘Society and Environment’:
(a) Sundarlal Bahuguna
(b) Medha Patkar
(c) Indira Gandhi
(d) Salim Ali
(e) Raschel Carson
(f) Sunita Narain
(g) Gro Harlem brundtland
1 of 2Code No: 07A3EC11 Set No. 4
(h) Maneka Gandhi
(i) Willium Wordsworth
(j) Louis Pasteur
(k) J.C. Bose
(l) Ramana Maharshi
(m) Helen Keller
(n) Wangari Maathai
(o) MOEF
(p) WWF
(q) UNICEF
(r) UNO. [16]
8. Prepare a report on what development you obtained ecological /environmental wise
in a nearby village/rural area near to you in the last ?ve years. [16]
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Earning:   Approval pending.