TNPSC Prelims and Mains Notes-TNPSC Test Series
Secondary treatment is a biological treatment process used to stabilize the dissolved solids. Microorganisms (e.g., bacteria) feed on the organic solids (food) in the wastewater and convert the organics into a cellular or biological mass that can later be removed. These biological processes are aerobic processes. Oxygen must be provided for these aerobic organisms to … Read more
The Zoological Survey of India (ZSI), with its headquarters in Kolkata and 16 regional stations is responsible for surveying the faunal resources of India. Possessing a tremendous diversity of climate and physical conditions, India has great variety of fauna, numbering 89,451 species, which include protista, mollusca, anthropoda, amphibia, mammalia, reptilia, members of protochordata, pisces, aves … Read more
Coastal Ocean Monitoring and Prediction System (COMAPS) Being implemented from 1991. Assesses the health of coastal waters and facilitates management of pollution-related issues Programme was restructured and modified in 2000 2001 to include pollution monitoring; liaison, regulation and legislation; and consultancy services. 2.Land Ocean Interactions in the Coastal Zone (LOICZ) Launched in … Read more
Addition of certain substances to the water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Putrescibility is the process of decomposition of organic matter present in water by microorganisms using oxygen. Water having DO (dissolved oxygen) content below 8.0 mg/L may be … Read more
TAMILNADU Campaign on food safety in schools soon The ‘Safe and Nutritious Food at School’ campaign is set to be launched in the State at 50 Corporation schools, a press release from the State Health Department said. This month, teachers will be given training on inculcating safe eating habits in students. Health … Read more
: United Nations Environment Programme (UNEP) is an agency of United Nations and coordinates its environmental activities, assisting developing countries in implementing environmentally sound policies and practices. It was founded by Maurice Strong, its first director, as a result of the United Nations Conference on the Human Environment (Stockholm Conference) in June 1972 and has … Read more
It is a global development agency with missions that include promoting sex education, literacy, clean water and equality for women. It is responsible for promoting peace, social justice, human rights and international security through International cooperation on educational, science and cultural programs. It has 195 member states and is based in Paris, France.It is known … Read more
found where rainfall is about 25-75 cm per year, not enough to support a forest, but more than that of a true desert. vegetation formations that are generally found in temperate climates. In India, they are found mainly in the high Himalayas. The rest of India’s grasslands are mainly composed of steppes and savannas. … Read more
Forests fires are as old as the forests themselves. They pose a threat not only to the forest wealth but also to the entire regime to fauna and flora seriously disturbing the b io-diversity and the ecology and environment of a region. During summer, when there is no rain for months, the forests become littered … Read more
It is a number used to communicate to the public how polluted the air currently is or how polluted it is forecasted to become. As AQI increases, an increasingly large percentage of the population is likely to experience increasingly adverse health effects. Different countries have their own air quality indexes, corresponding to different national air … Read more