best ias books

Electronic waste major pollutants

E waste – Electronic waste major pollutants Lead Used in glass panels & gaskets in computer monitors Used in soldering in printed circuit boards & other components Attacks nervous system... »

Environment Pollution – Water Pollutants

Environment Pollution – Water Pollutants Water Pollutants Sources – community waste water, Industrial waste, Agricultural chemicals waste, Thermal & nuclear pollution, Oil spills, Radi... »

Environment Pollution – Air Pollutants

Environment Pollution – Air Pollutants Environmental Pollution Primary Pollutants Persist in the form in which they are added to the environment for ex. DDT, Plastic Secondary Pollutants Formed ... »

Biogeocycles: Water Cycle, Carbon Cycle, Nitrogen Cycle

Biogeocycles: Water Cycle, Carbon Cycle, Nitrogen Cycle Mineral nutrients are always in circulation, moving from non-living to living & then back to non-living components of ecosystem in a more or... »

Ecological Succession, Food Chain, Food Web, Ecological pyramids

Ecological Succession, Food Chain, Food Web, Ecological pyramids Ecological Succession Primary succession From a pioneer community ( initiation) to a climax community (Final) Rare & takes a long t... »

Ecology, Biome, Ecotone, Niche, Ecosystem, Biosphere

Ecology, Biome, Ecotone, Niche, Ecosystem, Biosphere Ecology Ecology may be defined as the scientific study of the relationship of living organisms with each other and with their environment The empha... »

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India Yearbook English India Yearbook Hindi Economic Survey 2017