Question # 1

Which of the following statement represent disadvantages of sanitary landfill

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Public opposition

Uneconomical

Health hazard

All above

Which of the following gas protects us form harmful effect of uv radiation.

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SO2

NO2

CO

O3

Which of the following statement is not correct with respect to harmful effects of ground water pollution.

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It causes lungs cancer

It causes jaundice

It damages crops

It helps to prevent epidermises

Temporary hardness of water is due to.

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Bicarbonates of K

Bicarbonates of Na

Carbonates of Ca

Bicarbonates of Ca

As it passes into food chain, the concentration of DDT

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Remains same

Decreases

Increases

Unpredictable

Temporary hard water is softened on industrial scale by adding.

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Mg(OH)2

Ca(OH)2

KOH

NaOH

Which of the following techniques are used for minimizing water pollution.

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Stabilization of ecosystem

Recharge of the waste

Waste treatment

All above

Which of the following process is a source of nuclear pollution.

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Uranium mining

Uranium processing

Reactor waste

All above

Burning of fossil fuels is the main sources of which of the following pollutant.

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Nitrogen oxide

Nitric oxide

Nitrous oxide

Sulphur dioxide

Which of the following statement is not correct with respect to radioactive pollutnats.

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Carcinoma and breast cancer

Leukemia

Increases biological immune system

Somatic and generic disorder

Classical smog occurs in place of.

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Excess concentration of SO2

Low temperature

High temperature

Excess concentration of ammonia

Which of the following statement is not related with environmental pollution.

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Direct or indirect change in any component of the biosphere

Undesirable change in the physical characteristics of the air

Undesirables change in the biological characteristics of the soil

not affecting adversely the industrial progress

Which of the following chemical strong oxidizing agent is used in COD test.

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KMnO4

H2SO4

CH3COOH

K2Cr2O7

Which of the following is major sink for carbo monoxide.

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Water

Soil

Animal respiration

Salts dissolved in ocean water

Ozone filters out radiation below.

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o

1000 A

o

2000 A

o

3000 A

o

4000 A

Photochemical among is related to pollution of

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Air

Water

Soil

All of the above

Which of the following statement is not related with the effect of thermal pollution.

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Decrease in BOD

Increase in BOD

Reduction in DO

Change in algal production

Particulate from soil and mineral primarily contains

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Sodium compounds

Calcium compounds

Silicon compounds

Calcium, aluminum and silicon compounds

Which of the following disposal method is used for agriculture wastes.

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Dump

Landfill

Incineration

Open burning

All above

Which of the following statement is not relat4ed wiht SO2

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It is a colourless gas

It has sharp and pungent odour

It is moderately soluble in water

It is reduced slowly in clear air to H2S

Which of the following phenomenon are driven by solar energy.

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Winds

Water cycle

Production of biomass

All above

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