WBUT 2012 BASIC ENVIRONMENTAL ENGINEERING AND ELEMENTARY BIOLOGY Question Paper

Submitted by vink0108 on Tue, 08/05/2014 - 13:59

CS/B.Tech(NEW)(ECE/EE/EEE/EIE/ICE/PWE/BME)/SEM-4/CH-401/2012

2012

BASIC ENVIRONMENTAL ENGINEERING &

ELEMENTARY BIOLOGY

Time Allotted : 3 Hours                               Full Marks : 70

The figures in the margin indicate full marks.

Candidates are required to give their answers in their own words

as far as practicable.

GROUP – A

( Multiple Choice Type Questions )

1. Choose the correct alternatives for any ten of the following :

10x1 = 10

i) Which one of the following is a renewable source of

energy ?

a) Thermal b) Hydroelectric

c) Nuclear d) Solar.

ii) Ozone is a pollutant when present in

a) stratosphere b) troposphere

c) mesosphere d) ionosphere.

iii) The unit of intensity level of noise is

a) metre b) candela

c) newton d) decibel.

iv) A greenhouse gas is

a) CO b) H2S

c) SO2 d) H2O-vap.

v) Which of the following is an example of in situ

conservation ?

a) Deer park b) Seed bank

c) Wildlife sanctuary d) Aquarium.

vi) Which of the following does not cause biodiversity

loss ?

a) Habitat destruction

b) Creating safari parks

c) Introduction of new species

d) Trading on living beings.

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