Thursday, October 22, 2009

environmentalscience-2-1-jntu syllabus old question papers

Code No: 07A3EC11 Set No. 3
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
⋆ ⋆ ⋆ ⋆ ⋆
1. (a) Enumerate the properties of soil.
(b) Discuss the hydrological cycle with a neat sketch. [8+8]
2. (a) What are the advantages of recycling minerals?
(b) How can you as an individual conserve di erent natural resources? [8+8]
3. (a) Explain biogeochemical cycles in sustaining life on earth.
(b) Enumerate the branches of ecology. [8+8]
4. (a) Write a note on Man-animal conflict.
(b) Di erentiate between 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 some noisy sources in dB (A).
(b) Describe the various methods of control of ‘Noise Pollution’. [8+8]
6. Discuss 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 type and amount of pollution o ered by an industry
at a place near Hyderabad. Give 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.

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