Question # 1

Result of ozone hole is.

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Acid rain

Global warming

Increased amount of CO2

Greater exposure of earth to U.V. rays.

Which of the following substance is not present in acid rain.

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Sulphuric acid

Nitric acid

Acetic acid

Sulphurous acid

Domestic waste mostly constitutes

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Non biodegradable pollution

Biodegradable pollution

Effluents

Air pollution

Which of the following pollutant result from roasting and heating processes.

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Dust

Smoke

Metal fumes

All above

Permanent hard water is softened by addition of.

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Na2CO3

CaCO3

MgCO3

ZnCO3

Which of the following pose threat to historical monument Taj.

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Floods in Yamuna river

Temperature mediated spoilage of marble

Air pollutants from Mathura refinery

Weathering of marble

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

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Nuclear

Electric

Solar

All above

When rain is accompanied by a thunderstorm, the collected rain water will have pH

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Slightly lower than that of rain water without thunderatorm

Slightly higher than that of rain water without thunderastorm

Uninfluenced by occurrence of thunderatorm

Which depends on amount of dust in air

The reduction in ozone layer would lead to

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Temperature chages

Rainfall failure

Increase uv radiation on earth

All above

Which of the following statement is related with CO.

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It is a colorless and tasteless gas

It has less affinity to words hemoglobin

It has a boiling point of -192 ^oC

It is a dangerous asphyxiant

Long diseases are about four times more in urban areas as compared to rural areas. This is due to the presence of which of the following. in atmosphere.

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CO2

NO2

O2

N2

Chief source of water and soil pollution in

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Mining of ores

Thermal power plant

Agro industry

All the above

Ozone layer of upper atmosphere is being destroyed by

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chlorofluorocarbons

SO2

Photochemical oxidants O2 and CO2

Smog

Ozone depletion in stratosphere will result in

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Forest fires

Increased incidence of skin cancer

Global warming

None of the above

Increased asthmatic attacks in certain seasons are related to.

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Inhalation of seasonal pollens

Eating of seasonal vegetables

Low temperature

Wet and dry environment

The expected specific waste fo petroleum industry is.

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Asphalt and tars

Paper

Cloth

Fibre

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

Eutrophication is process which involves

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Depletion of ozone layer

Increase in the concentration of ozone in water

Decrease in the concentration of dissolved oxygen in water by algae

Decrease in the level of SO2 in air

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

The expected specific wastes of textile industry is

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Cloth residue

Fibre residue

Dyes

All above

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