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Reg. No. :,

97087,-- ---I

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-B.E./B.Tecll. DEGREE EXAMINATION, NOVEMBERIDECEMBER 2014 .

Third Semester ,•

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Civil Engineering

GE 6351 ~ ENVIRONMENTAL SCIENCE AND ENGINEERING •

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(Common to Computer Science and Engineering, Electrical and ElectronicsEngineering, Electronics and Instrumentation Engineering, Instrumentation and-Control Engineering, Environmental Engineering, Robotics and Automat jon

Engineering, Information Technology, Polymer Technology, Textile Chemistry,Textile· Technology, Fashion Technology, Biotechnology, Plastic Technology,

Pharmaceutical Technology and Petrochemical Technology)•

(Regulation 2013)

Time: Three hours • Maximum: 100 marks•

AnS\¥e11 ALL questions.

• PAR.T A (10 x 2 = 20 marks),

1. What is an Abiotic Environment?

2. What are called endangered species? •

,3 . Mention the elfeots of ozone on plants.• • ,

4. List the SOU}1ces of Marine Pollu tion,•

5. What are renewable resources? ,

• 6. Define the term landslide.•

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8. What are the objectives of water act?

9. Define the term Nuclear energy.

10. What are 1.11e sources of I-IIV infection?•

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12. (a) (i) Describe the various chemical and photochemical reactions in theatmosphere, (8)

(ii) Explain the sources, effects and control measures of noise pollution.. (8)

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1PA:l~'FB (5 x 16 = 80 marks)•1 ] . (u) (1)

-Define ecosystem. Give an account of structuregrassland ecosystem.

and functions of(8)

(ii) What is biodiversity?biodiversity.

Discuss the values and significance of(8)

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(b) (i) With a neat sketch discuss the Nitrogen cycle. (8)

(ii) What do you l11ean by conservation of biodiversity? State and,

explain the basic approaches to wild life conservation, (8)

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(b) (i) Write informative notes on water treatment processes. (8)

(li) Describe the 1'01e of individual in the prevention of pollution. .(8)•

•• 13. (a) (i) Describe the causes and effects of deforestation . (8)

(ii) What is land degradation? Discuss the factors responsible f01· landdegra dation, (8)

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(b) (i) What are the changes caused by agriculture and overgrazing?

(ii) Discuss the production of Biogas. Mention its uses.

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14. (a) (i) What aloe the objectives of water conservation? I-Io,¥ is it carriedout? (8)

(ii) What is all earth quake? Enumerate itsS]10l11d be taken to mitigate this disaster?

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effects. Wl1at measures(8)'•

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(b) (i) Discuss the resettlement and rehabilitation of people, its problemsand concerns. (8)

(ii) Briefly diseuse to salient Icatures of wildlife protection act. (8)..•

15. (a) (i) DiscUA8 the variation ofpopulation among 11at;10118. (8)(ii) Wi-ite tho methode :-\11<.1 etrntegies of imparting value education. ('8)

01'(b) (i) Write explanatory notes 011 women and child welfare, (8)

(ii) Exp lain the role of information teC}111010gy ill environment andhuman Ileal Lll.. (8)

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2 97087

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www.Vidyarthiplus.com