Geography

The continental shelf is the extended margin of each continent occupied byrelatively shallow seas and gulfs. It is the shallowest part of the ocean showing anaverage gradient of 1° or even less.The width of the continental shelves vary from one ocean to another. The average widthof continental shelves is about 80 km. Significance of Continental … Read more DMPQ: What is continental shelf? Mention the significance of Continent shelf( Geography)

Scheduled Castes are notified in 31 States/UTs of India and there are altogether 1,241 individual ethnic groups, etc. notified as Scheduled Castes in different States/UTs. There has been some changes in the List of SCs/STs in States/ UTs during the last decade. As per the 2011 Census of India, there are around 201.4 million SCs … Read more DMPQ- Write an essay on the Scheduled Caste population composition of India.

The continental drift hypothesis was developed in the early part of the 20th century, mostly by Alfred Wegener. Wegener said that continents move around on Earth’s surface and that they were once joined together as a single supercontinent. While Wegener was alive, scientists did not believe that the continents could move. Alfred Wegener proposed that … Read more DMPQ: What is continental drift theory? Write down the evidence for continental drift?

Composite lava are highly viscous with a high melting point. They are light colored and have low density, and have a high percentage of silica. They flow slowly and seldom travel far before solidifying. The resultant cone is therefore steep sided.  The rapid solidifying of lava in the vent obstruct the flow of the out-pouring … Read more DMPQ: Differentiate between the Composite and the shield Lava.

Sand miningis a practice that is used to extract sand, from various environments, such as beaches, inland dunes and dredged from ocean beds, and river beds of deltaic regions. The mining is in operation in all the continents of the Globe. Environmental problems occur when the rate of extraction of sand, gravel and other materials … Read more DMPQ: What is sandmining? What are its ill effects?

The biodiversity available at equator is highly unmatchable and it one of the riches area in terms of quanta and different types of flora and fauna. But this potential is difficult to translate into commercial extraction as Lack of pure strands as compared to taiga region. Every inch is filled with different kinds of tree. … Read more DMPQ:Despite having large biodiversity in equatorial region, lumbering and livestock farming is still difficult. Comment.

Grasslands are areas dominated by grasses. They occupy about 20% of theland on the earth surface. Grasslands occur in both in tropical and temperate regions whererainfall is not enough to support the growth of trees. Grasslands are known by variousnames in different parts of the world.Grasslands are found in areas having well defined hot and … Read more DMPQ:What are Grasslands? Name some of the grasslands of world and mention the importance of grasslands.

The Golan Heights are a fertile plateau of around 1,300 sq km area lying to the north and east of the Sea of Galilee, which Israel seized from Syria during the Six-Day War of 1967, and has occupied ever since. The Golan overlooks both Israel and Syria, and offers a commanding military vantage. Israel argues that Golan is a … Read more DMPQ: What is the strategic importance of Golan Heights.

Soil conservation includes all those measures which help in protecting the soil from erosion and exhaustion. Soil erosion has been continuing over, such a large part of India for such a long time that it has assumed alarming proportions. Afforestation The best way to conserve soil is to increase area under forests. Indiscriminate felling of … Read more DMPQ- What are the different Techniques of soil conservation?

Halley’s Thermal concept: Indian monsoon is because of contrast between Indian Subcontinent and adjoining Indian Ocean. Halley’s theory, suggested in 1686, considers the summer monsoon to be a regional phenomenon. Aerological concept: This was suggested by R. Scherhag in 1948. According to this theory, monsoon circulation develops due to changes in air temperature at all … Read more DMPQ- State the classical theories of the origin of monsoon.