Science Quiz

What is Sanitation?

• Process of making clean, dirt and germ free.

• Process of throwing garbage and harmful things

• Addition of harmful and waste things in our surrounding

What is pollution?

• harmful things that makes air, water and soil unfit for use

• Spoiling the environment with the addition of any dirty or harmful substance or things.

• Way to promote good health by disposing human waste.

What is population?

• people or citizens

• pollution

• pollutant

What are the main cause of pollution?

• Human activities are the main cause of pollution.

• Animals daily activities are the main cause of pollution

• Natural things are the main cause of pollution

Smoke is let out in the air by the burning fire, moving vehicles and by factories, which causes

• water pollution

• air pollution

• soil pollution

Water pollution is caused by

• cleaning the surroundings

• cutting and planting trees

• the setting of big industries that throw wastes into nearby lakes, rivers and streams.

What pollutes the soil?

• Garbage, plastics and harmful chemicals thrown into the soil.

• fruits and vegetables grown in the soil

• cause of land pollution is dumping of tones of domestic wastes every day.

What is CNG?

• Compressed Natural Gas

• Carbon Natural Gasoline

• Corporate Nominating and Governance

CNG causes less pollution as compared to petrol and diesel.

• True

• False

Material that do not decompose naturally is

• plastic

• fruits

• vegetables