Kerala Board Class 10 Environmental Education — Flashcards for Quick Revision

A: Global warming is the gradual increase in Earth's average temperature due to excessive greenhouse gases in the atmosphere. These gases trap heat from the sun and prevent it from escaping back to space

A: The five main greenhouse gases are: 1. Carbon dioxide (CO₂), 2. Nitrogen dioxide (NO₂), 3. Chlorofluorocarbons (CFCs), 4. Hydrocarbons, 5. Methane (CH₄). These are also called Earth heating gases.

A: The greenhouse effect is a natural process where greenhouse gases trap heat in Earth's atmosphere. It is important because it helps maintain Earth's temperature at a level suitable for life. However,

A: Environmentalism is a concern for the preservation, restoration and improvement of the natural and social environment. It includes conservation of natural resources, prevention of pollution and sustai

A: 1. Conservation of natural resources 2. Prevention of pollution 3. Sustainable use of land

A: Sunderlal Bahuguna was a famous Indian environmentalist who led the Chipko Movement in the 1970s. He worked to protect forests in the Himalayan region and promoted the slogan 'Ecology is permanent eco

A: Solid particles and liquid droplets present in air are called particulate matter. Examples include dust particles, pollen grains, smoke particles, vehicular exhaust, fly ash, coal dust, cement dust, a

A: Particulate matters are considered air pollutants because their presence in air beyond a certain limit causes air pollution. They reduce visibility, cause respiratory diseases, and contribute to globa

A: 1. Pollen grains, 2. Dust particles in smoke, 3. Vehicular exhaust particles, 4. Fly ash, 5. Coal dust, 6. Cement dust, 7. Mist