Question # 1

Which of the following pollutant is not primary pollutant.

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Ash

Smoke

SO3

SO2

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 water require zero hardness.

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Boiler feed water

Laundry water

Paper will water

Dyeing water

Which of the following disposal method is used or municipal wastes.

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Compaction

Composting

Recycling

Chemical processing

All above

Disease caused by eating fish found in water contaminated with industrial waste having mercury is.

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Minamata disease

Bright's disease

Hashimoto's disease

Osteoaclerosis

Which of the following is not biological characteristics of water.

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COD

Animals

Plants

Viruses

Which of the following is not chemical characteristics of water.

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pH

COD

BOD

Colour

Which of the following process is not physical in nature.

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Mixing

Flocculation

Sedimentation

Activated sludge process

SO2 is generated from which of the following industry.

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Drying and packing

Paper

Pulp

paper and pulp

Which of the following pollutants does not a leave a residue.

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Air pollutant

Chemical pollutant

Soil pollutant

Noise pollutant

The agricultural field that produces maximum methane gas into atmosphere is

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Wheat field

Paddy field

Cotton field

Groundnut field

The expected specific waste of food industry is.

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Meats

Nuts

Fats or Oils

All above

The key element to be considered when evaluating a health hazard is.

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The amount of material the employee is exposed.

The total time of exposure

The toxicity of the substance

All above

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 play significant role in depletion of ozone layer.

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Oxides of nitrogen

Oxides of carbon

Oxides of sulphur

None of above

Permanent hard water is softened by addition of.

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Na2CO3

CaCO3

MgCO3

ZnCO3

Which of the following substance has been advocated as fuel of future.

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O2

N2

H2

H2O

Which of the following substance is colloidal in nature.

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Clay

Al2O3

Fe2O3

All above

Which of the following energy is trapped by the autotrophic organisms.

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Mechanical energy

Electrical energy

Radiant energy

Electronic energy

Domestic waste mostly constitutes

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Non biodegradable pollution

Biodegradable pollution

Effluents

Air pollution

Which of the following is renewable resources of energy.

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Hydropower

Wind power

Solar power

All above

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