Class 8 Social Science - Chapter 10: Environmental Pollution

The video covers Class 8 Social Science Chapter 10 on Environmental Pollution. It discusses the components of the environment, the impact of human activities on environmental changes, and various types of pollution including air, water, soil, and noise pollution. The video explains the causes and effects of each type of pollution on health and the environment, and concludes with suggestions for environmental protection.

What are the two main components of the environment?

• Living and non-living things

• Water and air

• Soil and minerals

• Plants and animals

What is the primary cause of environmental changes over time?

• Plant growth

• Natural disasters

• Human activities

• Animal migration

Which of the following is NOT a type of pollution mentioned in the video?

• Soil pollution

• Air pollution

• Water pollution

• Noise pollution

What is the main cause of air pollution according to the video?

• Natural gas emissions

• Human-made factories

• Forest fires

• Volcanic eruptions

What happens when harmful substances are discharged into water bodies?

• Air pollution

• Water pollution

• Soil erosion

• Noise pollution

What is one of the main causes of water pollution mentioned in the video?

• Natural disasters

• Dumping of chemical waste from factories

• Overfishing

• Deforestation

Which river is mentioned as being polluted by sewage water?

• Godavari

• Ganga

• Narmada

• Yamuna

What is a consequence of soil pollution as discussed in the video?

• Increased crop yield

• Enhanced biodiversity

• Infertile land

• Improved water quality

Which household appliance is mentioned as a source of noise pollution?

• Dishwasher

• Microwave

• Vacuum cleaner

• Refrigerator

What is one way to protect the environment mentioned in the video?

• Driving more frequently

• Saving electricity and water

• Leaving lights on when not in use

• Using more plastic products