Environmental Studies Version C July 2014
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Transcript of Environmental Studies Version C July 2014
8/9/2019 Environmental Studies Version C July 2014
http://slidepdf.com/reader/full/environmental-studies-version-c-july-2014 1/4
rv18/28
USN
i,,-:tr'.ds\
=Timp:
i#i'"
1.
)
3.
First/Second
Semester
B.E
Degree Examination, Jrn
Environmental Studies
(coMMoN
TO
ALL
BRANCHES)
2
hrs.l
[Max.
,{,?
INSTRUCTIONS
TO THE CANDIDATES
{Atlc.wer
all the
fifty
questions,
each
question
carries
ONE mark.
Use
only Black ball
point
pen
for writing / darkening the circles.t
,.
For each'''question, after
selecting
your
answer,
darken
.t$B,,dppropriate
circle
prohibited.
correspondin$p
jhe
same
question
number on
the
OMR$hpet
4.
Darkening two
Cirples
for the
same
question
makes
tlr(atswer
invalid.
::
"':' '
;h;"OMR
sheets are
strictly
.
Damaging/overwritif,g.-
using
whiteners
o$--
::.
.::
M-l
:a--a,
-'a,,a
.
::..::""'
::::
1.
The air
prevention
and
control
ofpollutien=&
was enacted
in
the
year-
-\
tnot
1
\ ina,
-\
tnol
a)
1987
b)
t974
.
c)
1981
d)
19s6
2.
Smog is
formed
by the reaction
ofiuhict air
pollutants-.
a) Smoke
and
Mist.
b)
Sm#dhnd
Fog .)W\: and Bio-Gas
d)
Smoke and
Dust
.,,it.."='
{fl::},+
3.
Which
of the
following isfrot
a solution
for
Global Warmi"rffi**
a)
Reducing
use
of,fffi fuels
b) Planting
r{rffio.trees
c) Deforestation
'
d) Reducing vehitu'nar
transportation
4.
Methemogl"obirremia is caused by the contamination of water due
to
-a$.1
a) Mergugy'.
-
b)
Nitrate c)
Arsenic
,.$
Nitrates
5.
gu
y
is celebrated on every
year
"
4,
.."1Sr,""
iz
b)
sept.22;d
c)
Aprll22"d
a; runer{\,,,
*
^
"
*,r,-j
'6i',:,,
HIV
can be
transmitted
to
humans
through
which
media?
-
"',
a)
Air
b)
Blood
c)
Virus
d)
Hereditar,
"'
..,,,,,-.,,,
7.
Mineral
resources
are
a)
Renewable
b) Fossil fuels
c) Non-renewable d) Sedimentary rocks
8.
World
Ozone day is being celebrating on every
year
a)
15th
Sept.
b) 16th
Oct.
c) 16th Sept.
C1
d)
22nd
April
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9.
Contribution of
carbon
dioxide to
global warming from industries
a)
50% b)24%
c)25%
10.
Which atmospheric
layer is closest
to the
Earth's surface?
10clv18 t28
'
d) 75o/o
d)
Thermosphere
) Mesosphere
b)
Troposphere
c) Stratosphere
:....11.ozoneispresentinwhichlayeroftheatmosphere
i-,l,-.; ,a)
Ozonosphere
b)
Stratosphere
c)
Troposphere
d)
Ionosphere
"
12.
\yhat
is the maximum
allowable
concentration
of
fluorides in drinking water?
_
-_'.=',,r:.
a)"t.gJnsn
b)
1.25
mgll
c)
1.50
mg/l
d)
150:mg/l
13. Which'"of
following
gas is
not
concern
to
green house
effect?
5'.=
w
.i"#,@
a)
co2
'ffid.-
u)
cH+
cl soz
-..1'
;b
H2o
vapour
,
,11'"1t1'
''
14.
Which of the
follffig
is
not
a
renewable
source of energy?
a) Solar '
;,,,,,,,p)
Wind
c) Nuclear
o
r.*o
'
d) Geo-Thermal
15.
Optimum growth of
bactbriajn
favorable PH value
of
o-ffi\
**'
a) 6.5
-
8.5
b)
TSP*
c) 6.Wf Y.5 d)
7.0
-
14.0
-
g
"'"
16.
Eutrophication
means
a)
Quality
of water
in
lakes
-
ffi)
Enrichment of
plant
nutrients
in water
c) Water
purification
technique
"-
i4"li
-
d) Meeting
point
of river and
sea.
Pj
::+
17. Earth's body temperature
is
approxjffily
fr"qt
to-
_?
z
(STITI.'IF
a)
16.4"C
u; ro.o;c r):o'c
i,/#
a)
Rich
content
of
oxygelq'
b)
Orgaalii'kr
':q[o*
., ,*:/
c) Turbidity
, *:tI=-'
d)
Physical
imsurities
'9r.\f6'l:.1
'
19.
Which of
the
fo[orki&g
is
a
natural source of
Air
pollution?
"
'*,
-
a)
Acid
.uT,l1;;:.'
b) Precipitation
c) Storms
i
d) Volcanic eruption
20.
Effect o,f$*bbn monoxide on
blood,
causing
a)
H-eqO3 b) CoHb
c) Co2Hb d)
HbCo2
'
r:a'
:.
.,,,:,,
..
...
:;.
21. Anthropogenic activities
means.
.
.,,4
",
Naturaimade b)
Biological c) Manmade
d) Anim-lM
'
'i,:,:lt'
_=.;^W.
Which of the
following
energy
source
is less
eco-friendly?
'
,
# *
"'=
a) Wind b)
Water c) Solar
d) Thermal
.
u
23. Which of
the following is a biotic component
of
an ecosystem?
a) Sunlight
b) Fungi c)
Temperature
d) Water
24.
Generation of
wind
energy is
mainly based on which factor
a) Direction.of wind
b)
Storms
c)
Velocity of
wind d) Wind
pressure
C2
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10crv18/28
25,
Example for
abiotic
component of eco-system
a) Plants
b)
Food
c)
Water
d)
Live stock
26.
Expansion
of the term
WWF is
-
.,,,,i".,
,,
a) World wide life
force
b) World wide forest
..
ry,,.
,'t,,]-...c)Worldwidelifeforestd)Worldwildlifefund
2fu,'.'Maximum allowable
concentration of total
hardness as
per
BIS
in drinking water
+t
-
a)600
mg/l
b) 300
mg/l c)
1000 mg/l d)
250.,nigA*
'
::'
'::,
.i '
'.'
''
28.
Watq,flotlution
prevention
and control
Act
was
enacted
in the
year_
,::'1"'
.
a;
t986,,::''..
b)
1974
c)
1981
.
;d)
tlAZ
)
1986',"''::
b)
1974
c)
1981
i d)
I
29.
Stone cancer igau effect of
_
'--j
<
t;u):
:,,,,,,,,
.:
,".
i,.,,
3r lqqxr-e,
charl$.
"r\.x\
_
Most
stable Eco-system
i.
_ ,,li/
*t*rru*._
\. \\
;
"
.
a)
Mountain
b)
oc-ean
ii
",et
aT,YJ
|f;$gg;tio,
d)
Fossil tuels
31.
Example for tertiary
consumers
'l*-:-**
#,,"
a)
Plants
b)
Cattle
r'C
JLir-'.'c)
Snake d) Elephant
a)
Climatic
cnffi u) nara wat.rd-*:&t
Q
Acid
rain
u*
{.'*
d) Excess of calcium
t
*4"1'
''
'''
32.
As
per
BIS, the
minimum allowable limi$difon
content in drinking water
is
_
a)
1.0
mgll
b) 0.2 mg/l
,""&s
c)
0.3
mg/l
d) 0.5
mg/l
/*=\d
i
33.
In Hydro-power plants,
power
is ge,Wr6ted
bV__#
.=
a) Solar
b)
Thermal
c)
Sgter
d) Coal
u-*5:
';?
34.
The PH value
of
acid rain
was
recorded in early
days
;
a)
2.5
""
j)
7j5
c) 4.7
'::''"
.
d) 5.7
.........'..............
35.
First international
#f ;**it was held
at
,'"
',,,,*
t::,.
,,
:.rd""
-,
a)
USA
*ffi;i':l
b) Russia
c) Rio de-Janeiro
.;".";1^
d) Johannesburg
36.
Bhopal.g-cB,kagedy
was
caused due
to
leakage
of
-
'fuf
.*
a)
ciTd:,.:',.='
-
b)
Mrc
-
4
soz
alF..9r4i.ia",
37.
I4i$,fr;taka
state
pollution
control board was
established in the
year
r
,{,.=
a)
1984
b) 1976
c)
1974
d)
1933
"''"'',
..'
...'..-.,
',38.Amongalloxidesofnitrogenwhichoneisresponsiblefortheformationofacidrain
39.
The
liquid
waste
generated
from municipal
solid
waste disposal
pits
is called
a) Nitrous
oxide
c)
Nitrogen
Trioxide
a) Solid waste water
c) Leachate
$
\
b)
Nitric
oxide
d) Nitrogen
pentoxide
b) Sewage
d) Compost
waste water
-c3-
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:-
-
10clv18128
-
d)
s5dB
40.
Minimum allowable
limit
of
noise
pollution
for Human
persistence
is
_
a)
40dB b) 90dB
41.
Demography means
c) 45dB
.,4
=
a) Study
on forest
b) Study on Human
activities
'
.{:n'.,.
c) Study on
earthquake
d) Study on
population growth
I
42;','Freon's
are
called
'*a)4ydrocarbons
b) Ozone
c) Methane
d)
Solvefits'
."/fi,
.
Whiffithe
following
is a biodegradable
pollutant?
,.-
a)
DDffti
)
Sewage
c)
CFC
lp
Freon's
&r
"
'
::',
44.
Percentage ofground
water available
on
Earth's environment is
.
fl1**
r
a)
0.02
-
,=
b)
0.5
c)
1.5
n
,
45.
During
green
house effi,parbondioxide
and water vapour6ffiorbs.
a) Short wave radiations
{',"ed.-
b)
Lo4g,nwd'vb
radiations
c) Solar
radiation
'",,1F"_
d)
Uv'fdiations
46. Amount of carbon
dioxide
a)2r%
b)
0.383%
.
*{
;
'4
c\78%
d) 0.313%
drd
47.
Estuarymeans
:ffiA
"s
=,
""""'ii--.
a)
Rich in nutrients
*,...:\,,i
"
b)
End
point
of the
river
)
KlCn
m
nutrrents
*,,.',u\,,r'
:
ol
Eno
pomt
oI tne
nver
c) Meeting
place
of river and s"a,,,,_''',.o
$-lTreatment
of water
48.
Physical
pollution
of water
is
due
to
a)
lhbrides
ul
ffiF6iaitv
c)
PH ,
d)
All
of
these
**
-'
.-"-r")
"''':'
"'
':::::'"
'
,*r"?
"
.
.*
49.
Control of
water Bh#te
diseases
can be achieved effectively
in
a o$_ffiunity by
a) DefluoriirylW- b)
Disinfection
c) Sterilization
""
'
*U)
Vaccination
50.
Ozone
lay.di'.'thict
ness is measured
in
which units
*
f,'l
'
""
-,::"':'
a)
PS{.'h"' b)
PPB c) Db
dfD{L
.*.'\.
':
t,'
l:
\/
".,
'"'ll
'q*.*"
\,
^
M\.1,* *r.*1.*
'Jsr
:I
-c4-
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