Environment is the nature consisting of land, water, air, trees and various living species. A natural ecosystem is necessary for the healthy survival and sustainable development of human beings as well as other living beings. However, as a result of man's selfishness, destruction of resources, and loose development, the environment and biodiversity are at risk. Candidates should be aware of human activities, pollutant gases, consequences of environmental degradation, ongoing losses and preventive measures. To know about the laws made by the government for the control of pollution, conservation of biodiversity, actions and policies, as well as the ecological reserves, sanctuaries and international agreements concluded for the prevention of climate change across the country.
The environment produces its own organic matter. Organic matter production varies by region and climate. Maintaining the balance of ecosystems is a key feature of an ecosystem.
