Water pollution

WATER IS USED FOR.........................?

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• NONE OF THESE

For daily use water should be.....

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• All of these

The water waste generated from household activities is called........

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What does Industrial waste contain?

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What does hospital waste contain?

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.....................are washed by rain into water bodies which leads to agricultural waste.

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Oxygen depletion is one of the effects caused by water pollution?

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_________is the rapid growth of algae in water bodies.

• Algal reduction

• Algal gloom

• Algal immunization

• Algal bloom

When organic materials like _____or _____ decay,

they absorb oxygen dissolved in water.

• milk or sugar

• butter or cheese

• burger or fries

• noodles or spaghetti

A thick layer of_________covers the entire water surface.

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