environmental studies jan 2014 version d

USN

06crv18/28

Question Paper Version : D

I I ll Semester B.E Degree Examination, Dec.2013 I Jan.20l4

Time: 2 hrs.l

prohibited.

1.

,

3.

4.

5.

Answer all the fifty questions, each question carries one mark.

Use only:Btack ball point pen for writing / darkening the circleS:

For each qrrestion, after selecting your answer, darkcu the appropriate circle

corresponding to the same question number on the OMR sheet.

Darkening two circles lor the same question malg1the answer invalid.

Damaging/overwriting, ,trsing whiteners on the OMR sheets are strictly

ENVIRONMENTAL STUDIES

(coMMoN TO ALL BRANCHES)[Max. Marks: 50

INSTRUCTIONS TO THE CANDIDATES "..............".

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1. Population growth in developing countries creates environmental and socio - economicproblems such as

a) Povertyc) Food problems

b) Natural resource depletiond) All of these

Climate and Global air c'irculations are mainly affected by the properties ofa) Water and Air , -.'" b) Temperaturec) Precipitation d) None of these

3. Reduction of'green house gases can be achieved bya) Improving the efficiency of electricity generationb) Switching to less polluting fossil fuelsc) Both (a) & (b)d) None of these

40, Ozone layer present in. a) Troposphere b) Mesosphere c) Stratosphere

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d) Thermosphofe

5. To achieve the goal of clean environment, important strategies required area) Effective laws b) Active participation of the publicsc) Active participation of NGO's d) Both (a) & (b)

6. Least controllable man made source of pollutiona) Thermal power plants b) Exhausts of automobilesc) Chemical and industrial effluents d) Domestic cooking

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21. Which of the conceptual sphere of the environment is having the less storage capacity formattera) Bio sphere b) Hydrosphere c) Lithosphere d) Atmosphere

22. Ecology is defined as the study ofa) relation between organisms to their environment.b) relation between groups of organisms to their environment

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d) All of these

Nations providing the

c) both (a) and (b) d) None of these

a) Each cou,rrtries total food supplies b) Dietary differenoeB.of the countriesc) Quality of food produced d) None ofthese-,, ,,

23. Which of the following is the terrestrial system?a) Forest b) Grassland c) Desert

Food and Agricultural organizatron (FAO) of the Unitedinformatisn on

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26.

Social security is one of the most impofiant programmes providing benefits toa) Worker / Employee b) Un - employee c) Families of deceased d) All of these

The first United Nationaicooference on Human environment was held ata) New York b) Stockholm c) Montreal

27. World Environmental day is celebrated ona) June 5 b) August tr5' I ,' c) December 5

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28. The Environmental (protection) Act oflrrdia was enacted in the yeara) 1986 c) 1984

29. The objectives of wild Ufe 6roiection) Act lg72i;a) To preserve the bio - diversityb) To maintain essenlial ecologicaland life supporting systemc) Protection and conservation of wild Iifed) All of these

30. The study of,environmental system and their interaction is fall underb) Environmental Engineeringa) Environhental Science

c) Eqlironmental Management

31. Norrnal sound level of a quiet speech isa) 120dB

b) l99Z'',,,,,,,"

b) 90dB

d) Basal

d) September 5

d) 1974

d) s0dB

d) Both (a) & (c)

c) 140dB

b) Incinerationd) Land filling

b) Industrial revolutiond) Green revolution

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Disposal of bio - medical waste is bya) Autoclaving and landfillingc) Both (a) & (b)

Activated sludge process isa) Anaerobic method b) Aerobic method c) Both (a) & (b) d) None of these

34. The major cause for the global population increase in the 19th century was due toa) Decrease in birth ratec) Decrease in death rate






environmental studies jan 2014 version d

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