Geography DMPQ

All of the phases of water—solid, liquid and vapor—relate to glacier dynamics. Water has unique qualities that come into play in understanding the roles glaciers play in the Earth system. For example, water expands rapidly when it freezes—an increase of about 9% by volume. Also, water enters the atmosphere through the familiar cycle of melting … Read more

Shield Volcanoes The second type may be familiar to you from news reports from Hawaii: the shield volcano. This type of volcano can be hundreds of miles across and 10,000 feet high. A shield volcano is characterized by gentle upper slopes (about 5 degrees) with somewhat steeper lower slopes (about 10 degrees). The shield volcanoes … Read more

As per Agriculture Census 2015-16, the average size of operational holding has declined to 1.08 hectare in 2015-16 as compared to 1.15 hectare in 2010-11. The small and marginal holdings (10 ha) are merely 0.57% of the total land holdings. Challenges faced by farmers due to fragmentation of land: Low productivity: Small and fragmented landholdings … Read more

Feminisation of agriculture refers to the increasing number of women in multiple roles as labourers, cultivators, farmers and entrepreneurs in agricultural sector.  According to agricultural census 2011, there has been a 24 per cent increase in the number of female agricultural labourers between 2001 and 2011, from 49.5 million to 61.6 million. Women in rural … Read more

Important glaciers of India Gangotri Gangotri Glacier is the Himalayan glacier situated in the Uttarkashi district in the Indian state of Uttaranchal. It is the largest glacier in the Garhwal Himalayas. Pindari Pindari  glacier falls in the Kumaon Himalayan Mountain range at an altitude of 3353 meters. The Glacier is is 3 km in length … Read more

Coal is an important raw material for heavy industries. Its abundance ensures a rapid industrial growth.  But coal mining has its own cost and it has negative externalities. Major problem with coal mining is threat to environment. Open cast mining results in air pollution because of coal dust and coal transportation leading to suspended particulate … Read more

The earlier Green Revolution was centred on wheat and now what is required is a  comprehensive revolution, which covers the entire agriculture sector known as Rainbow  Revolution and it essentially means the following: Agricultural activities to change from subsistence and livelihood activities to as a commercial venture with focus on productivity and profitability. Crop diversification, … Read more

Major irrigation projects The Lower Bhavani Project  The Lower Bhavani project was one of the British achievements in the Tamil country. For the preliminary works regarding the Lower Bhavani project that government appointed Sir. Charles Innes in 1906 as the Special Revenue Officer instructing him to report on the various aspects of the scheme. After … Read more

In Fissure volcanic eruptions, the Lava comes out to the surface through the cracks of the rock strata and hence the fissure eruptions are not much explosive. The fissure eruptions are smooth and the Lava spreads to a larger area, so they form landscapes such as plateaus.  The major component of volcano are basalt. Basalt is … Read more

Monsoon is that axis around which revolves the entire agricultural cycle of India. It is because about 64 per cent people of India depend on agriculture for their livelihood and agriculture itself is based on southwest monsoon. Except Himalayas all the parts of the country have temperature above the threashold level to grow the crops … Read more