Question # 1

Which of the following is a non degradable pollutant.

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Long chain phenoiics

DDT

Mercuric salts

All above

Ozone depletion in stratosphere will result in

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Forest fires

Increased incidence of skin cancer

Global warming

None of the 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

Ground water is threatened with pollution from which of the following source.

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Domestic wastes

Industrial wastes

Agricultural wastes

All above

Which of the following level is an indicator of hearing loss.

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> 25 dB

< 25 dB

<20 dB

None of these

Which of the following is biodegradable pollutant.

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Domestic waste

DDT

Mercury salta

Aluminum foil

Acid rain is caused due to increase in the concentration of _______ in the atmosphere

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Ozone and dust

CO2 and CO

SO3 and CO

SO2 and NO2

Which of the following is a mode of controlling pollution in big cities.

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Cleanliness and less use of insecticides

Proper disposal of organic wastes, sewage and industrial effluents

Broader roads and shifting of factories out of the residential areas

All of above

Which of the following health effect is caused by cadmium.

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Hypertension

Cardiovascular problem

Kidney damage

All above

Which of the following trace elements may be present in the particulate materials.

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Cadmium

Nickel

Mercury

Lead

All of the above

Permanent hard water is softened by addition of.

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Na2CO3

CaCO3

MgCO3

ZnCO3

The expected specific wastes of textile industry is

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Cloth residue

Fibre residue

Dyes

All above

Major principle underlying the sustainability of natural ecosystems is that they run on.

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Electric energy

Solar energy

Wind energy

None of the above

Which of the following source of energy is abundant everlasting and non polluting.

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Nuclear

Electric

Solar

All above

Which of the following acids acts as acid waste from coal mines.

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HCl

HNO3

CH3COOH

H3PO4

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

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Dump

Landfill

Incineration

Open burning

All above

The unit of sound pressure level is

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Pascal

Decibel

Newton

Ampere

Ozone layer of upper atmosphere is being destroyed by

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chlorofluorocarbons

SO2

Photochemical oxidants O2 and CO2

Smog

Which of the following pollutant is not secondary pollutnat.

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SO3

NO2

SO2

Ozone

Which of the following agrochemical acts as pollutant.

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Fertilizers

Weedicides

Herbicides

All above

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