Match the following. Column 1 Column 2 1. Dysentery a. Plastic, glass and metals 2. Washing clothes in a lake. b. Dust bin 3. Breathing problems. c. Water pollution 4. Solid waste. d. Disease 5. Rubbish e. Air pollution

1- d Dysentery is a kind of disease. Polluted water can harm the plants and animals that live in water bodies. 2- c Washing clothes in a lake makes water pollution. While washing clothes we dump detergent, soaps and chemicals into the lake that can contaminate water. It also affects harm to aquatic animals such as fish. 3- e Breathing problems are because of air pollution. We need clean air to breathe. Burning wood and petrol produces harmful gases that pollute the air. So we should plant more trees because they purify air. 4- b Solid wastes like plastic, glass and metals are generated from human activities. We should not throw solid wastes in soil or water bodies. They take several years to decay. 5- a Rubbish is kept in a dust bin. We should not throw waste in open area because they pollute area and spread germs, so we should keep our surroundings clean. Column 1 Column 2 1. Dysentery d. Disease 2. Washing clothes in a lake. c. Water pollution 3. Breathing problems. e. Air pollution 4. Solid waste. a. Plastic, glass and metals 5. Rubbish b. Dust bin

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Blocked _____ causes the flooding of roads.

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Important Questions on Water Pollution

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Which of these causes pollution?

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Which of the following diseases is caused due to regular drinking of polluted water?

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Polluted water can cause diseases such as diarrhoea.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Choose the appropriate word and fill in the blank.

(Cooling, Boiling, filtering)

_____ water kill germs.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Daily human activities like bathing in the river does not cause pollution.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Choose the right word and fill in the blank:

We should not throw waste in _____. (dustbin/water bodies)

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Fill in the blank with a suitable word:

_____ (Germs/charms) can make us ill.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Fill in the blank with an appropriate word:

The oil from ships leaks into the water making it polluted with harmful _____ (microbes/chemicals).

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Polluted water causes _____ in humans.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Choose the right word and fill in the blank:

Something that pollutes water _____ (garbage/fish)

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Germs in water can be killed by _____.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Define the term drainage.

MEDIUM

Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Write two ill-effects of water pollution.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

How is man harming the environment?

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Describe how water can become polluted. What can we do to keep water clean?

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Fill in the blank with a suitable word:

A good house should have a proper _____ (drainage/remote) system to carry away dirty water.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Write any two human activities that pollute river water.

MEDIUM

Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Match the following.

Column 1	Column 2
1. Dysentery	a. Plastic, glass and metals
2. Washing clothes in a lake.	b. Dust bin
3. Breathing problems.	c. Water pollution
4. Solid waste.	d. Disease
5. Rubbish	e. Air pollution

EASY

Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Pollution causes _____.

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Environmental Studies>The Universe>Water Pollution>Causes of Water Pollution

Which of the following is a communicable disease?

Blocked _____ causes the flooding of roads.

Important Questions on Water Pollution

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