What is pollution?

When land, water, and air get dirty with harmful things like wastes, chemicals, and other bad materials.

Which of the following is a cause of air pollution? A) Planting trees B) Smoke from vehicles C) Cleaning the environment D) Using public transport

B) Smoke from vehicles

Riddle: I can make you cough and wheeze, and I come from cars and factories. What am I?

Air pollution

True or False: Water pollution can cause diseases like typhoid and jaundice.

True

Fill in the blank: The harmful things that cause pollution are called ______.

Pollutants

What type of pollution is caused by loud sounds above normal levels?

Noise pollution

Which of these is an effect of noise pollution? A) Improved sleep B) Hearing loss C) Better concentration D) Increased productivity

B) Hearing loss

Fill in the blank: When harmful substances like sewage are added to water, it is called ______.

Water pollution

True or False: Land pollution makes the soil more fertile.

False. Land pollution reduces the fertility of the soil.

What is one way to prevent air pollution?

Use public transport, cycle, or walk to reduce the use of vehicles.

Which chemical is released into water bodies from factories that can cause pollution?

Poisonous chemicals

Riddle: I am a mixture of smoke and fog, causing severe air quality issues in winter. What am I?

Smog

Fill in the blank: The process of treating waste materials to improve water quality is called ______.

Treating

True or False: One of the effects of air pollution is increased global warming.

True

What is a common source of water pollution from homes?

Throwing garbage and sewage into water bodies.

Which of the following is NOT a type of pollution? A) Air B) Water C) Soil D) Gravity

D) Gravity

Fill in the blank: The Ganga is one of the most polluted rivers due to ______ from nearby towns.

Garbage and sewage

What does land pollution do to the soil?

It makes the soil infertile or unusable.

Riddle: I can be created by loudspeakers and vehicles, causing headaches and irritation. What am I?

Noise pollution

What is one effect of water pollution on aquatic life?

It can lead to the death of plants and animals living in water bodies.