Question # 1

Which of the following cause water pollution.

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Smoke

Automobile exhausts

Aeroplanes

Silt and posticides

Chief source of water and soil pollution in

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Mining of ores

Thermal power plant

Agro industry

All the above

DDT is

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Biodegradable pollutant

Nodegradable contaminant

Air pollutant

An antibiotic

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

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> 25 dB

< 25 dB

<20 dB

None of these

Photochemical among is related to pollution of

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Air

Water

Soil

All of the above

Water that easily forms a lather of films and frotha when agitated with a soap solution called.

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Hard water

Heavy water

Soft water

Washing water

Ozone layer of stratosphere requires protection from indiscriminate use of.

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Fungicides, insecticides, bactericides and medicines

Aerosols and high flying jets

Atomic explosions and industrial wastes

Weather ballons

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

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Compaction

Composting

Recycling

Chemical processing

All above

Which of the following is renewable resources of energy.

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Hydropower

Wind power

Solar power

All above

Which of the following substance is a volatile metals.

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Lead

Zinc

Mercury

Sodium

Which among the following is secondary pollutant.

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CO

CO2

PAN

Aerosol

The expected specific wastes of textile industry is

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Cloth residue

Fibre residue

Dyes

All above

Which of the following pollutant is generated from combustion of fuel.

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Smoke

SO2

CO2

Metallic oxides

All 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

The action of all the relations of all the organism to their environment is called

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Biology

Botany

Ecology

Archiology

The splitting of H2O can be carried out through

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Photolysis

Electrolysis

Dialysis

Hydrogenation

Which of the following process is involved in nitrogen flotation

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Non symmetric fixation of nitrogen

Fixation by soil bacteria

Fixation by yeast

Fixation by blue green algae

All above

The most harmful components of incomplete combination are generally groped as particulate polyclic matter organic (PPOM) These materials are derivatives of .

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Benzene

Naphthalene

Benz a pyrene

None of the above

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

Which of the following is an important aspect of industrial ecology.

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Minimising air emissions

Minimising liquid waste

Recycling after use

All above

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