GKToday Archives: September, 2012

Quiz – Current Affairs September 27, 2012


Green Responsibility Guidelines for Indian Companies

In 2012, Ministry of Environment & Forests released a circular that makes it mandatory for companies to incorporate an environmental responsibility policy document in their applications while seeking the terms of reference for an Environment Impact Assessment. According to this, ..

Oil Shale

Tight oil should not be confused with oil shale, which contains kerogen. Kerogen is a heavy mixture of organic chemical compounds, the soluble part of which is known as bitumen. Oil shale is a primitive form of oil that has ..

Tight Oil

Tight oil is a light hydrocarbon contained in petroleum-bearing shale formations that have relatively low porosity and permeability. Tight oil is extracted at depths of 2 to 3 km on average, with the deepest wells taking up to six weeks ..



In late 1990s, a Texan oilman, George Mitchell, developed an affordable way to extract natural gas / tight oil locked up in shale rock and other geological formations. It involves blasting them with water, sand and chemicals. This technique known ..

Multiple Sclerosis

Multiple Sclerosis is an auto-immune disorder where the body’s own immune system attacks itself. One of the first areas to get affected is the myelin sheath, the layer covering the nerves, which hampers the neurological signalling system from the brain ..