ICSE Class 10 Environmental Science — Flashcards for Quick Revision

A: Air pollution is the imbalance in the quality and composition of air resulting in severe damage to living organisms. It happens when harmful gases and particles mix with air in large amounts.

A: Common gaseous air pollutants include carbon monoxide, sulphur dioxide, CFCs, and nitrogen oxides. These gases can harm health and also disturb the balance of air.

A: Domestic cooking can release smoke when biomass, coal, or kerosene is burned. These fuels produce indoor and outdoor air pollution, and smoke can affect health, especially inside homes with poor venti

A: Population is a group of organisms of the same species living in a geographically localized area in a specific time span and capable of interbreeding among themselves to produce a fertile offspring. I

A: Rapid population growth increases the demand for food, water, housing, land, energy, and transport. To meet these needs, forests are cut and more land is used for farming and buildings. This leads to

A: India has nearly 15% of the world's population. This shows that population pressure on land, food, water, and other resources is very high.

A: Urbanisation is the process in which villages turn into towns, towns into cities, and cities into megacities or metropolis. It increases the share of people living in urban areas and changes land use,

A: Urbanisation means the share of the national population living in urban areas. Urban population growth means the absolute number of people living in urban areas. The two are not the same because the p

A: Open land, agricultural land, and sometimes forest land are used for residential buildings, schools, hospitals, roads, highways, and industries. This causes loss of natural vegetation and environmenta