RGPV Previous Year Question Papers BE Energy Envoirment Ecology And Society 1st Sem June 2012

RGPV Previous Year Question Papers BE

Energy Envoirment Ecology And Society 1st Sem June 2012

 

Note : Attempt one question from each Unit. All questions carry equal marks.

Unit “I

  1. (a) What are the conventional sources of energy for mankind ?

(b) Briefly explain the nuclear fission and nuclear fusion. State the difference between them.

Or

(a)        What is Solar Pond ? What is the principle on which it

works ? State the merits and limitations of solar pond.

(b)        Write short notes on the following :

(i)              Indian energy’ scenario

(ii)           Fossil fuel resources

  1. (a) What are Biogeochemical cycles ? Describe the nitrogen cycle with the help of a neat sketch.

(b) Write short notes on the following :

(i)  Endemic species of India

(ii)          Ethical value of biodiversity

Or

(a) Name and describe the four major layers of atmosphere. What are the important chemical species in each layer ?

(a)        Write short notes on the following :

(i) Biosphere

(ii) Biodiversity treaty

3. (a) Define Air Pollution. What are the sources of air

pollutants ?How will you classify air pollutants ? 10

(b) What are the various sources of noise ? Classify and discuss the noise under different categories.

Or

(a)        What is Acid Rain ? What are the causes and effects of acid rain ? How can the problem be overcome ?

(b)       Write short notes on the following :

(i) Decible (dB) scale

(ii) Impact of noise pollution on biotic components

Unit -IV

4. (a) Define water pollution. What are the point and diffused sources of water pollution ?

(b) Differentiate between the following :

(i)                 COD and BOD

(ii)              Septic and Imhoff tanks

Or

(a)            What is Soil ? Give the typical composition of soil and explain in brief the formation of soil.

(b)            Discuss the process of aerobic and anaerobic decomposition of domestic waste water.

(a)            What are the general principles of ethics ? State and discuss.

(b)           State and discuss the content of an EIS for a project.

Or

(a)            Explain the utility of ethics for the betterment of society and protection of environment.

(b)           Write short notes on the following :

(i)                 ACM professional code

(ii)              Rights and duties of ethics

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