Current Affairs

GK MCQs Section

Page-2 of Environment & Biodiversity

Depletion of Ozone Layer

Ozone or Trioxygen is an allotrope of oxygen that is much less stable than the diatomic allotrope (O2),  paramagnetic compared to the diamagnetic O2; and is present in...

October 7, 2016

Types of Ecosystems

Ecosystems cover the entire globe, and there are several ways to classify them based on their common features. The major classification is: Terrestrial Ecosystems These ecosystems are found...

October 1, 2016

Ecological Succession: Example Sequences

Here are some simplified representations of the typical ecological succession in a various ecosystems. However, it’s important to note that ecological successions are usually complex and don’t always...

September 24, 2016

Bharat Stage Emission Norms

Bharat Stage Emission Standards (BSES) are regulatory norms set by the Government of India to control the output of air pollutants from internal combustion engine equipment, including vehicles....

January 12, 2016

Eco-sensitive Zones

Eco-Sensitive Zones (ESZs) are areas in India, notified by the Ministry of Environment, Forest and Climate Change (MoEFCC), across Protected Areas, National Parks and Wildlife Sanctuaries. ESZs act...

January 12, 2016

Biofuels

Biofuels are fuels which are in some way derived from biomass. The term covers solid biomass, liquid fuels and various biogases and also denotes Biodiesel, Bio alcohol and...

January 12, 2016

Biodigester Technology & Bio-toilet

Biodigester Bio-toilets are an innovative technology, developed by the DRDE, Gwalior and Defence Research Laboratory (DRL), Tezpur under DRDO-Ministry of Defense, for disposal of human waste in eco-friendly...

January 12, 2016

Coral Reefs in India

Coral reefs are spectacular and diverse underwater ecosystems harbouring nearly 25% of all marine species on just 0.1% of ocean area globally. Often called ‘rainforests of the seas’,...

January 12, 2016

Madden-Julian Oscillation

The Madden–Julian Oscillation (MJO) is a major fluctuation in tropical weather on weekly to monthly timescales. It can be characterized as an eastward propagating ‘pulse’ of cloud and...

January 12, 2016

Walker Circulation and Its Impact on Indian Monsoon

The Walker circulation is a conceptual atmospheric circulation model that describes air flow patterns in the tropics and their influence on climate. It identifies a zonal overturning circulation...

January 12, 2016

E-Books

States PSC General Studies

Latest in Hindi