Question # 1

The expected specific waste fo petroleum industry is.

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Asphalt and tars

Paper

Cloth

Fibre

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

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Domestic wastes

Industrial wastes

Agricultural wastes

All above

The expected specific waste of food industry is.

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Meats

Nuts

Fats or Oils

All above

Which of the following phenomenon are driven by solar energy.

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Winds

Water cycle

Production of biomass

All 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

Water is often treated with chlorine to

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Increases oxygen content

Kill germs

Cause sedimentation

Remove insoluble impurities.

Which of the following agrochemical acts as pollutant.

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Fertilizers

Weedicides

Herbicides

All above

The expected specific waste of paper and allied products industry is.

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Chemicals

Paper and fibre residues

Links

All above

Which of the following statements is not related with principal requisites of water for industrial purposes.

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It should be pure and cool

It should not contain iron

It contains less quantity of line

It must be soft

In biological ecosystem which of the following substance is used by organisms.

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Water

Sunlight

Minerals

All above

Which of the following is domain of industrial ecology.

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The materials extractor

The materials processor

The consumer

All of above

Which of the following pollutants results from chemicals petroleum and paper industries.

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SO2

CO

Hydrocarbons

All above

Which of the following play significant role in depletion of ozone layer.

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Oxides of nitrogen

Oxides of carbon

Oxides of sulphur

None of above

Which of the following statement represent advantages of sanitary Landfill

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Economical method

Low initial investment

Flexible daily capacity

All above

Which of the following statement is not correct with respect to hardness of water.

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It is due to soluble salts of Na

it is due to soluble salts of Ca

It is due to soluble salts of Mg

It is due to soluble salts of Fe

Temporary hardness of water is due to.

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Bicarbonates of K

Bicarbonates of Na

Carbonates of Ca

Bicarbonates of Ca

The smog is essentially caused by the presence of.

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O3 and N2

O2 and N2

Oxides of sulphur and nitrogen

O2 and O3

UV radiation from the sun causes a reaction in the atmosphere that leads to production

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Fluorides

Carbon monoxide

Sulphur dioxide

Ozone

Which of the following is component of the ecosystem.

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Inorganic substances

ORGANIC Substances

Animal and plants only

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 pollutant result from roasting and heating processes.

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Dust

Smoke

Metal fumes

All above

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