upsc books best

Citizenship in India & Indian citizenship acts

Citizenship in India & Indian citizenship acts Fundamental Rights provided in Indian constitution are available to citizens of India only; some of the fundamental rights which are not enjoyed by a... »

Union & its Territories – Formation of States in India

Union & its Territories – Formation of States in India Article 1 of Indian Constitution defines names & territories of nation >> Describes India as union of states (Not federation ... »

Features of Indian Constitution

Features of Indian Constitution Indian Constitution Sovereign, Socialist, Secular, Democratic Republic Supreme law of the Nation Written & lengthiest of the world Consists of 12 schedules, 25 part... »

Ocean Acidification & Salt Marsh Ecosystem

Ocean Acidification & Salt Marsh Ecosystem Ocean acidification Ocean acidification is the ongoing decrease in the pH of the Earth’s oceans, caused by the uptake of carbon dioxide (CO2) from ... »

Acid Rain & Ozone Depleting Substances

Acid Rain & Ozone Depleting Substances Acid Rain Acid rain (Ph < 5.6) is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to prod... »

Greenhouse Effect & Greenhouse Gases

Greenhouse Effect & Greenhouse Gases Water vapor is the biggest contributor to the greenhouse effect; However CO2 & other greenhouse gases are increasing the amount of water vapors in the air ... »

Bioaccumulation vs Bioconcentration vs Biomagnification + Composting + Vemiculture

Bioaccumulation vs Bioconcentration vs Biomagnification + Composting + Vemiculture Sound measured in decibels (db) an increase of about 10 db approximately double the loudness of sound hearing can be ... »

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: Forme... »

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... »

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