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Revision: Waste Generation and Management Biology (English Medium) ICSE Class 9 CISCE

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Definitions [5]

What is meant by garbage?

The unwanted things or substances which are generated during various activities and processes constitute garbage.

Define the following term:

Pollution

Pollution is the addition of any such constituent to air, water, or land that deteriorates the natural quality of the environment.

Pollution is the action of making the air, water, land, etc., dirty, dangerous, and even unfit for use.

Define the following term:

Waste

Waste is any unwanted or undesired material or substance resulting from industrial, commercial mining, and agricultural operations, and from community activities.

Correct the definition of certain terms given below by changing only one word.

Compost: Substances converted into manure for use in industries.

Compost: The substances converted into manure for use in agricultural fields.

Correct the definition of certain terms given below by changing only one word.

Landfill: Garbage buried under water in an area.

Landfill: Garbage buried under the soil in an area.

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