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

EASY

Earn 100

How does pure water become impure?

Important Questions on Too Much Water, Too Little Water

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

A disease caused by drinking polluted water is _____.

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

Fill in the blank with the appropriate words given below.

[Smoke, CNG, Pollution, Water, Vehicles, Factories]

Water pollution causes many _____ borne diseases.

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

Choose the right word and fill in the blank:

Various diseases such as typhoid and diarrhoea are caused by _____ water. (contaminated/ clean)

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

How can we kill germs in our drinking water?

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

Choose the right word and fill in the blank provided below.

Water should be _____ to make it completely germ-free.(cooled/boiled)

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

_____ water kills germs as the heat is increased.

EASY

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

We harm ourselves by polluting water.

MEDIUM

Environmental Studies>Social Science>Too Much Water, Too Little Water>Water Contamination

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