environmental studies version c july 2014

8/9/2019 Environmental Studies Version C July 2014

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rv18/28

USN

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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

For More Question Papers Visit - www.pediawikiblog.com


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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

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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-









































































































































































































































































































































:-

-

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-










































































































































































































































environmental studies version c july 2014

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