Question # 1

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 compounds has fishing ordure

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ammonia

Organic sulphides

Amines

H2S

Which of the following health effect is caused by cadmium.

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Hypertension

Cardiovascular problem

Kidney damage

All above

Temporary hard water is softened on industrial scale by adding.

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Mg(OH)2

Ca(OH)2

KOH

NaOH

The splitting of H2O can be carried out through

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Photolysis

Electrolysis

Dialysis

Hydrogenation

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

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

Which of the following health effect is caused by mercury.

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Nerve damage

Brain damage

Kidney damage

All above

Which of the following process involves the use fo organic compound as an electron acceptor.

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Aerobic respiration

Anaerobic respiration

Fermentation

Glycolsis

Which of the following metal acts as pollutant.

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Hg

Pb

Zn

Ni

All above

Which of the following substance is colloidal in nature.

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Clay

Al2O3

Fe2O3

All above

Environmental pollution effects.

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Biotic component

Plants only

Humans only

Both biotic and abiotic components of environment

In plant noise control, which of the following method is used for reducing noise

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Plant planning

Control at the source

Control of radiated noise

All above

Which of the following statement is not true with respect to the role of matter undergoing decomposition.

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Decomposed matter increase soil fertility

They provide a texture which is favorable for plant growth

Organic compounds for complexes with mineral nutrients which enhance uptake by plants.

In high concentration the decomposition product may increase the photosynthesis

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

Peeling of ozone umbrella is due to.

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CFCa

PAN

CO2

Coal burning

Which of the following cause water pollution.

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Smoke

Automobile exhausts

Aeroplanes

Silt and posticides

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

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Sulphuric acid

Nitric acid

Acetic acid

Sulphurous acid

Which of the following pollutant result from combustion of fossil fuels.

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SO2

NOx

CO

All above

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

Photochemical among is generally formed

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In early hours of winters

Around mid day in summer months

When intensity of solar radiation sis very low

When concentration of particulate matter is very low.

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