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College of Renewable Energy & Environmental Engineering

Saradrkrushinagar Dantiwada Agricultural University

Sardarkrushinagar ( ! "!#$% '' )

*UES+,-. A."

Answers are given as BOLD text.

/! The study of interactions between living organism and

environment is called as...........a! Ecosystemb! Ecologyc! Phytogeographyd! Phytosociology

0! The term ecology was introduced bya! 1ackelb! Odumc! Tanselyd! Ramdeo Mishra

%! Environmental education should be imparted only ata! Primary school stageb! econdary school stagec! !ollege staged! All stages

2! "ncreasing industrialisation is causing much danger to man#s life

bya! 3olluting the environmentb! Producing more goodsc! Providing more $obsd! %tilising waste land

'! The environment which has been modi&ed by human activities is

calleda! 'atural environmentb! Anthro4ogenic environmentc! %rban environmentd! Modern environment

)! The short term properties of the atmosphere at a given place

and time is referred asa! !limateb! Microclimatec! easond! 5eather

6! The ecological factors( related to soil and substratum( are called

)... factors.a! Eda4hic 7actorb! Abiotic *actorc! +iotic *actord! !limatic *actor

! ,hich of the following is not one of the ma$or environment

problems resulting from human interference in the nitrogen

cycle-a! Eutrophicationb! increased acid rainc! Stratos4heric o8one de4letiond! 'itrous oxide release increases global warming

9! ,hich of the following is not a ma$or greenhouse gas-a! Calcium Carbonateb! !arbon ioxidec! ,ater vapourd! Methane

/ ! The /012 Montreal Protocol was signed for which

of the following reasons-a! To ban nuclear testing in tropical oceansb! To stop the global trade in products made from

endangered tigersc! To begin converting from fossil fuel use to more

renewable energy sources to reduce the

anthropogenic greenhouse e3ectd! +o 4hase out the use of C7C:s; found to be

causing de4letion of the o8one layer

//! 4lobal warming focuses on an increase in the level ofwhich gas in the atmosphere-

a. o5one

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b. sulfur dioxidec! carbon dio

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a! hydrosphere( li thosphere @ spaceb! atmos4here; hydros4here & lithos4herec! atmosphere( hydrosphere @ spaced! lithosphere( space @ land

0'! +irds( fox( ants( clover and trees are all 888 factors.a! abioticb! carbohydrate

c! a=uaticd! biotic0)! The earth is covered by 88 percent water.

a! 7b! 07c! 9d! 6'

06! The main cause of deforestation in the tropical rainforest

is 88.a! hydroelectricityb! cattle gra8ing

c! ma:ing farmsd! road construction

0 ! ,hat percentage of the nutrients in a rainforest is found

in the soil-a! /b! 97c! B7d! 67

09! A few very tall trees stic:ing above most others in a

tropical rainforest are called88.a! canopyb! emergentsc! epiphytesd! understorey

% ! Plants which grow on other plants are called 88.a! canopyb! emergentsc! understoreyd! e4i4hytes

%/! Rainforests is a ma$or regulator of the earthCs water cycle

and climate because 88.a! it absorbs moisture from the soil.b! it holds nutrients.c! it has a large root networ:. d! of trans4iration

%0! Trees harvested in the rainforests and sold to the &rst

world countries include.a! pine( &r and mahoganyb! pine( ebony and mahoganyc! ebony( &r and mahoganyd! mahogany; sandalwood and ebony

%%! A type of farming which when done on a small scale is

ecological sound( it returns nutrients to the soil.a! pasture landsb! co;operative farmsc! slash and burnd! ranching

%2! Dow much of the worldCs species is estimated to live in thetropical rainforest-

a! /7 b! 9 c! ' @d! 2

%'! ,hich of the following is not a concern of hydorelectric

and mineral development-a! Foodingb! chemical pollutionc! tem4erature e

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c! '!)d. G.6

% ! The chemicals most commonly found in acid precipitation

are 88.a. sulphuric acid and acetic acidb. nitric acid and acetic acidc! sul4huric acid and nitric acid

%9! The ma$or source of 88 is from coal and oil burning

electrical generating plants.a! acetic acid H!DB!OODIb! 'itrogen monoxide H'OxIc! !arbon dioxide H!O9I d! Sul4hur dio

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a. carbon tetrachlorideb! chloroBuorocarbonsc. hydroFuorocarbonsd. o5one

'0! 88 is our s:ins natural way of protecting itself from

harmful %K Radiation.a. %K screen bloc: creamsb. s:in sheddingc. haird! sun tan

'%! An international agreement signed by BB countries to

phase out use of !*!s is 8888888.a. !*! treatyb! ontreal 3rotocolc. B7 percent protocold. international clean air treaty

'2! 888 is a substitute for !*!sa. carbon tetrachlorideb. chloroFuorocarbonsc! hydroBuorocarbonsd. o5one

''! Although D!*!s and D*!s replace !*!s and reduce

damage to o5one( they are problematic in that they 88.a. are poisonousb! contribute to global warmingc. damage e=uipment =uic:lyd. use up oxygen

')! 88 is a natural warming process involving the interaction

of sunlight and carbon dioxide and other gases from theatmosphere.

a. global warmingb! greenhouse e ectc. infrared radiationd. solar radiation

'6! uring the last ice age the average global temperature

was 88 degrees celsius below the average temperature todaya. 9b! 2

c. 1d. /7

' ! Three common greenhouse gases includea. oxygen( o5one( methaneb. methane( nitrous oxides( sulphur dioxidec. carbon dioxide( methane( o5oned! carbon dio

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d. weather observers)'! ,ith every / degree !elsius increase in temperature(

biomes would have to move8888 :ilometers to the polesa. 7b! 9c. 77d. 077

))! ,hich of the following is not a greenhouse gas-a. !*!Csb. Methanec. nitrous oxidesd! argon

)6! ,hich of the following is not a ma$or carbon reservoir-a. oceansb! atmos4herec. fossil fuelsd. deep ocean sediments

) ! ,hat country has the greatest amount of carbon dioxideemissions-

a. !anadab! Unites Statesc. 4ermanyd. !ommonweath of "ndependent tates

)9! ,hich of the following is not a probable conse=uence of

global warming-a. disruption in agricultureb. Foodingc. :illing of plan:tond! greater biodiversity

6 ! These are interconnected factors that ma:e it diLcult to

ma:e accurate predictions about global warming.a! feedback mechanismsb. computer modellingc. meteorologyd. limnology

6/! 8888 accounts for about one half of all ocean pollution.a. o3shore oil productionb. air pollution fallout

c! direct dum4ingd. shipping

60! The category of ocean pollutants that contains sewage

and plant and animal wastes is 8888 a. dissolved chemicals and compoundsb! biological agentsc. undissolved chemicals and sedimentsd. thermal

6%! The area of the mouth of a river where salt and freshwater

mix is called aHnIa! estuaryb. e uentc. outFow regiond. tidal 5one

62! The base of the food chain in the ocean is the 8888 a. &sh and algaeb! 4hyto4lanktonc. seals and birdsd. shell&sh and whales

6'! One of the most common ocean pollutants is8888 a. pesticidesb. plasticsc! oild. salt

6)! A ship which ran aground o3 the coast of Alas:a in /010

and released 6 (777 tons of crude oil.a. Alas:a *reighterb! E

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6 ! Darmful discharge of warm or cold substances is :nown as

8888 a. biological agentsb. die o3 c. sedimentd! thermal 4ollution

69! The %' Environmental Program( in /01 ( set these

guidelines and strategies to help develop action plans as acontrol of the ocean pollution

a. !*! Treatyb. "nternational Agreement on Ocean Pollutionc! ontreal >uidelinesd. Thirty Percent Protocol

! *ishing nets lost or discarded in the ocean are :nown asa! ghost netsb. Tc. underutili5ed catchd. underutili5ed nets

/! ,hich is an international agreement aimed at protectingthe oceans-

a. !anada % *ree Trade Agreementb! ondon Dum4ing Conventionc. Montreal Protocold. Ocean "ndustries ociety

0! ,hich of the following is not a type of toxic waste-a. Asbestosb. ioxinsc.

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b. !opperc. "rond. Mercury

90! ,hich items are recyclable-a. Plastic mil: $ugsb. !ereal boxesc. Aluminum soda cansd! All of the above

9%! ,hat is the environmentally friendly way to dispose ofused tires-

a. end them to a land&llb! Recycle them into a 4layground mattingc. ump them in a ditch along the roadwayd. !ollect them and put them in a big pile

92! ,hat is groundwater-a. ,ater that is spilled onto the groundb! 5ater beneath the ground surfacec. The bottom part of a la:e or riverd. Rainwater that lands on the ground

9'! Dow long does it ta:e tyrofoam to brea: down in aland&ll-

a. /7 Nearsb. 7 Nearsc. /77 Nearsd! ' Fears

9)! %sed oil should be disposed of by88888888888.a. umping it on your drivewayb. ,atering it down and spreading it as a fertili5erc! Collecting it in a sealed container and taking it to

an oil changing businessd. eeping in the garage for /7 years before throwing it

away in the trash96! Our waterways are polluted by..

a. umping used oil on the groundb.

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a. fungus

b. bacteria

c! worms

d. animals

/ '! The group of organisms which convert light into food

are called

a! autotro4hs

b. heterotrophs

c. decomposers

d. omnivores

/ )! ,hich one the following is not biodegradable-

a. vegetablesb. frui ts

c. earthworm

d. aluminium foil

/ 6! AnimalHsI which is are active at night.

a. owl

b. rat

c. coc:roach

d! all the above

/ ! An animal that can tolerate the heat of the desert is

a. rats

b! camel

c. cow

d. lion

/ 9! Air pollution is caused by

a. "nsecticides

b. ewage

c! Smoke

d.

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//2! Plants are green because of the presence of a pigment

called?

a! glucose

b! nitrogen

c! chloro4hyll

d! oxygen

//'! Air is composed of gases( water vapours and8888888.

a! dust 4articles

b! rainfall

c! snowfall

d! light

//)! Medicine of =uinine is provided bya! Eucalyptus plant

b! aconite plant

c! cinchona 4lant

d! money plant

//6! !hief source of energy in environment is888888.

a! &re

b! moonc! sun

d! stars

// ! ,hen trees are cut( amount o f oxygen

a! decreases

b. increases

c. both HaI and HbI

d. remains same

//9! Process through which plants reproduce?

a! Eating

b! Evaporation

c! 3ollination

d! !ondensation

/0 ! 2/ of earth surface is covered with?

a! land

b! air

c! water

d! coal

/0/! ,hat is the harm from the depletion of EarthCs o5one

layer

a. The average temperature of earthCs surface will increasegradually

b. The oxygen content of the atmosphere will decrease

c! ,ncreased amount of Ultra violet radiation will reach

earth:s surface

d. ea levels will rise as the polar ice caps will gradually melt

/00! Acid rain is formed due to contribution from the

following pair of gases

a. Methane and o5oneb! -

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a. amage to digestive system

b. "ncreased liver cancer

c. 'eurological disorder

d! ,ncreased skin cancer

/02! The most serious environmental e3ect posed by

ha5ardous wastes

a. air pollution.

b! contamination of groundwater!

c. increased use of land for land&lls.

d. destruction of habitat

/0'! The concentration of which gas is highest in our

environment-a. Oxygen

b. Dydrogen

c! .itrogen

d. !arbon dioxide

/0)! ,hich of the following is not as a conse=uence of global

warming-

a. rising sea levelb! increased agricultural 4roductivity worldwide

c. worsening health e3ects

d. increased storm fre=uency and intensity

/06! ,hich of the following is not a primary contributor to

the greenhouse e3ect-

a. carbon dioxide

b. carbon monoxide

c! chloroBuorocarbons

d. methane gas

/0 ! The increase in the concentration of !O9 in our

environment in last &fty yearsQ since /0G7 is about

a. 97

b. /7

c! /2@

d. G

/09! The deplet ion in the O5one layer is caused by

a. nitrous oxide.

b. carbon dioxide.

c! chloroBuorocarbons!d. methane.

/% ! A ma$or in;stream use of water is for

a! 4roducing hydroelectric 4ower!

b. dissolving industrial wastes.

c. agricultural irrigation.

d. domestic use.

/%/! ,hich of the following are the example of Municipal and

industrial discharge pipesa. nonpoint sources of pollution.

b. violations of the !lean ,ater Act.

c! 4oint sources of 4ollution!

d. irrigation.

/%0! The presence of high coli form counts in water indicate

a! contamination by human wastes!

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b. phosphorus contamination.

c. decreased biological oxygen demand.

d. hydrocarbon contamination.

/%%! Dow the biological oxygen demand gets a3ected with

the increased presence of organic matter in water-

a! the o

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/2/! ,hat function water does in photosynthesis-

/. combine with !O9

9. absorb light energy

%! su44ly electrons in the light$de4endent reactions

6. transport D ions in the light;independent Hdar:I reactions

/20! The substance used in the tissue culture media for shoot

induction in callus is

a. A+A

b. 4AB

c. "+A

d! "inetin

/2%! ,hich of the following biome exhibits the greatest

diversity in plant species-

a. 4rasslandb. eciduous forest

c. Tundra

d! +ro4ical rain forest

/22! ,hich of the given plant grows from stem cutting-

a. weet potato

b. +ryophyllum

c! 1ibiscus

d. !arrots/2'! ,hat is the :ind of soil in which cotton is grown-

a. !layey soil

b. lack soil

c. andy soil

d. Moist soil

/2)! ,hich of the following plant#s seed are not called icot

seed-

a! ai8e

b. 4rams

c. Peas

d. +eans

/26! "n which of the following biome( agriculture is commonly

practiced in a Scut; burn;cultivate;abandon## mode.

a. 4rassland

b. Taiga

c. eciduous forest

d! +ro4ical rain forest

/2 ! ,hich of the following is the seat of the origin of thelateral roots is

a. Epidermis

b. !ortex

c. Endodermis

d! 3ericycle

/29! ,hich of the following biome can be recogni5ed by its

coniferous forests and relatively infertile acidic soil-

a. 4rasslandb! +aiga

c. eciduous forest

d. Tropical rain forest

/' ! 'ame the longest bone of human body-

a. :ull

b.

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c! 7emur

d. +ac:bone

/'/! ,hich of the following microorganism causes Malaria

isease-

a. +acteria

b. Kirus

c. 3roto8oa

d. *ungi

/'0! ,hich of the following is found in both pro:aryotic and

eu:aryotic cells-

a. !entriole

b.

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b. edulla

c. !erebellum

d. :ull

/)/! ,hich of the following contains a microtubular structure

similar in form to a basal body-

a! Centriole

b.

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/)9! ,hich of the following environment problems is not

caused by human interference in the nitrogen cycle-

a! -8one de4letion in Stratos4here

b. Eutrophication

c. "ncreased acid rain

d. "ncreases global warming due to release of 'itrous oxide

/6 ! "n order to address the problem of o5one depletion( the

%nited 'ations convened a meeting in /012 in !anada. "n that

meeting( all the member nations agreed to reduce down the

!*! production @ use. ,hat was the name of this agreement-

a. yoto Agreement

b. !hemical tewardship Program

c! ontreal 3rotocol

d. Kancouver !onvention

/6/! Out of the below listed greenhouse gases( which one is

entirely anthropogenic in origin-

a. carbon dioxide

b. methane

c. nitrous oxide

d! C7Cs/60! Among the given choices below( regarding the

greenhouse e3ect which one is having least certainty-

a. The heat energy in the atmosphere increases due to addition

of greenhouse gases.

b! An increase in the number of tro4ical storms will be

observed due to global warming!

c. 4lobal warming will result in rising sea levels.

d. Karious human activities are resulting into higher

concentration of greenhouse gases.

/6%! ,hich of the following is non;biodegradable-

a. animal bones

b! nylon

c. tea leaves

d. wool

/62! ,hich among the following is not a ma$or use of !*!s-

a. cleaning of computer parts

b. production of plastic foams

c. pressuri5ing agent in aerosol cans

d. buoyancy gas for blim4s and balloon s

/6'!Model predictions about global climate change

indicates that

a. there are close agreement on trends and values Hfor

example( predicted carbon dioxide concentrationsI

b. no agreement at all

c. there are close agreement on trends howeverQ little

agreement on values

d! there is general agreement on trends but little

agreement on values/6)! ,hich of the following pollutants causes o5one holes in

the o5one layer-

a. !O9

b. O9

c. !O

d! C7C

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/22. olar constant is 8888888.a! /67 ,m ;9b! /.6 ,m ;9c! /!2 k5m $0d! /.6 M,m ;9

/21. The radiation in the sunlight that gives us the feeling of

hotness is 888888.a! visible radiationb! infra$redc! redd! ultra;violet

/20. ,hich of the following is not a bio;mass source-a! 4obar gasb! !oalc! ,oodd! .uclear energy

/17. The energy which is not derived from the sun is 888888.a! bio;massb! fossil fuelsc! nuclear energyd! geo;thermal energy

/1/. Darmful radiation emitted by the sun is 888888.a! Kisibleb! "nfra;redc! Ultra$violetd! Radio waves

/19. A substance which produces a lot of heat on burning is

called 888888.a! oxidising agent

b! biogasc! biomassd! fuel

/1B. *uel formed under the earthCs surface by the

decomposition of organic matter is called 888888.a! organic fuelb! biogasc! fossil fueld! underground fuel

/16. ,hich of the following causes the least pollution when

burnt-a! Petrolb! ieselc! !oald! .atural gas

/1 . The main constituent of

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b! convex mirrorc! concave lensd! convex lens

/09. The maximum temperature that can be attained in a box;

type solar coo:er is 888888.a. 977 o!b. /2 o Cc. 17 o!d. 9 7 o!

/0B. A solar cell is made up of 888888.a! Siliconb! titaniumc! magnesiumd! teFon

/06. ,hich of the following is not combustible-a! o

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d. Thorium97G. 'uclear fusion reactions happen spontaneously in 888888.

a! the core of the earthb! the commercial nuclear reactorc! the atmos4here of the sund! The eruption of a volcano.

972. "n a nuclear power plant( uranium atomsa! combine and give o3 heat energy

b! s4lit and give o heat energyc! burn and give o3 heat energyd! split and give o3 electrons

971. ,ho discovered solar energy-a! Auguste ouchoutb! Vane 4oodallc! *rancis cott eyd! All of the above

970. 8888 accounts for 11 of global energy consumptiona! renewable resourcesb! fossil fuelsc! nuclear powerd! oil

9/7. Overheating a nuclear reactor core can cause8888 a! Radioactivityb! meltdownc! nuclear overloadd! bioha5ard

9//. ,hen the Fow of energy occurs by natural means it is

called 88888 a! active solar energyb! 4assive solar energyc! conduction

d! radiation

9/9. 8888 provides about 97 of the worldCs energy needs.a! solar powerb! hydroelectricityc! nuclear powerd! wind power

9/B. 88888 uses more energy per person than any country in

the worlda! Canadab! %nited tatesc! +ritaind! !hina

9/6. This new technology uses lenses and mirrors to focus

sunlight on a container of li=uida! solar thermal 4lantb! hydroelectric plantc! active solar energyd! passive solar energy

9/ . A nuclear meltdown occurred at888888 a! !hernobyl( %:raineb! 'ew Nor:( % Ac! hanghai( !hinad! Toronto( !anada

9/G. The fantasy fuel of the future is 888888 a! coalb! hydrogenc! nuclear electrical powerd! wind

9/2. One of the ma$or problems with nuclear power is the

storage of waste material. The material has to :ept in a safe

place for 8888years.a! 97b! ( 777c! 7( 777d! 02 ;

9/1. The chief reason why there is not widespread use of

passable solar energy is88888a! ignoranceb. expensec. does not provide enough energyd. environmental concerns

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9/0. olar energy can be converted directly into electric

energy by8888888888888.a. 3hotovoltaic cellsb. ry cellsc. Rechargeable cellsd. +attery

997. olar energy can be used to coo: food in aa. Solar cookerb. 4as ovenc. ,ood stoved. Traditional oven

99/. ,hat is wind-a. Air blowing very fastb. Air blowing very slowc. Air blowing at a 4ointd. till air

999. ,hich Asian country has one third of the world#s :nown

reserves-a. China

b. "ndiac. oread. Vapan

99B. ,hat is the ful l form of ! '4-a. Com4ressed natural >asb. !ompact natural 4asc. !oncise natural 4asd. !ompact non;environmental 4as

996. The main source of energy in space ships and satellite isa. ,ind energyb. Solar energyc. Dydrogen energyd. 'uclear energy

99 . ,hich of the following is not biomass-a. Plants and treesb. ,oodc. !attle dungd. 5ater

99G. !harcoal is obtained from 88888888888 a. !oalb. 5oodc. Rubber

d. Petroleum992. ,hich gas is used as &re extinguisher8888888

a. C- 0b. O 9c. D 9d. !D 6

991. The process in which waste material is redused to ashes is

calleda. +iodegradationb. !ompostingc. Recyclingd. ,ncineration

990. ,hich fuel is used mostly in "ndia to generate electricitya. Coalb. ,indc. %raniumd. ,ater

9B7. ,hich of the following is highly inFammable-a. 3>b. !oalc. ,oodd. erosene

9B/. ,hat is the local name of biogas in rural areas-a. Marsh gasb. ,ood gasc. >obar gasd. ,ater gas

9B9. The waste material of living things is calleda. +iogasb. +iofuelc. iomassd. +iotechnology

9BB. +urning which fossil fuel is considered to be the cleanest-a. !oalb. C.>c. Oild. 'one of the above

9B6. The unit of energy is

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a. !alorieb. Goulec. g meterd. g

9B . ,ind turbines usesa. "inetic energyb. Potential energyc. !hemical Energyd. Thermal energy

9BG. The ultimate source of energy on the earth isa. Electricityb. +he sunc. Plantsd. Animals

9B2. %rban waste can also be used fora. Com4ostingb. Power generationc. team generationd. All of the above

9B1. The remains of dead sea animals ma:e

a. !oalb. -ilc. 'ice ear ringsd. alt

9B0. ,hat is the local name of harnessing power form water in

hilly areas-a. 4haratb. Pancha::ic. Dydro milld. All of the above

967. A moving bal l possessesa. Potential energyb. "inetic energyc. Motion Energyd. Deat energy

96/. ,hich is the leading state in "ndia in the generation of

wind power-

a. 4u$aratb. Andhra Pradeshc. Maharashtrad. +amil .adu

969. ,hich of the most commonly used fuel in rural areas of

"ndia-a. Animal dungb. !ropc. !oald. 7uel wood

96B. Electricity generation from small hydropower is common

ina. Plain areasb. !oastal areasc. 1illy areasd. O3shore areas

966. 'atural gas is transported mainly througha. 3i4elinesb. Truc:s

c. +argesd. All of the above

96 . ,hich gas has a ma$or share in biogas-a. ethaneb. !arbon dioxidec. ' itrogend. Oxygen

96G. ,hich country was the &rst to use geothermal energy to

generate power-a. "ndia

b. ,talyc. 4ermanyd. !hina

962. ,hat is *P! in solar energy-a. 7lat 4late collectorsb. *luid plate circuitc. *ixed plate collectorsd. 'one of the above

961. The state that has maximum installation of small

hydropower units in terms of megawatt is88888

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a. "arnatakab. Tamilnaduc. %ttara:handd. i::im

960. At present( what position "ndia occupies in terms of the

generation of wind power in the world-a. 2 thb. th

c. / std. 0 th

9 7. ,hich of the following is the biggest source of biogas in

rural "ndia-a. itchen wasteb.

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a. @b. 9c. 7d. 2

9G9. ,hich of the following is considered to be a potential

source of energy of future-a. 1ydrogenb. olar

c. ,indd. 'itrogen

9GB. Deat is measured ina. 'ewtonsb. Pascalsc. Goulesd. ilograms

9G6. The distance of the waterfalls is normally measured ina. 7eetb. "nchesc. !entimeterd. ilometer

9G . Metal hydride is used for the storage ofa. 1ydrogen energyb. olar energyc. ,ind energyd. +ioenergy

9GG. ,hich of the following does not have energy at all-a. *atb. Proteinc. itamind. !arbohydrate

9G2. +iomass can be converted intoa.