Geography DMPQ

  Above the subtropical highs in the Northern Hemisphere, and below the subtropical highs in the Southern Hemisphere, winds blow from the west towards the east. These winds are thus called westerly winds, after the direction from whence the winds come. The westerlies generally blow between 30 ° and 60 ° latitude in both the … Read more

The factors are as follows:   Latitude: The insolation largely depends on the latitude. The intensity of insolation decreases from equator to poles. In addition to this the day length and seasons also depends upon the latitude. Hence lower latitude records high temperature as compared to higher latitudes.   Altitude: As we know that temperature … Read more

A fissure vent, also known as a volcanic fissure or eruption fissure, is a linear volcanic vent through which lava erupts, usually without any explosive activity. The vent is often a few meters wide and may be many kilometers long. Chinook : It is a local winds in steppe region. On the eastern slopes of the Rockies in Canada and U.S.A. a … Read more

Concept of sea floor spreading was given by Henry Hess which was crucial to establish the formation of different geological surface on the earth. The major findings were: The crust below the ocean floor was found only 7-8 km thick. The existence of mid Atlantic ridge was known, but it was found that mid oceanic … Read more

Earth magnetism is the property of earth behaving like a dynamo and showing magnetic property just like that of a magnetic bar. There are various theories behind this property. There is no valid reason for the cause of earth’s magnetism or why earth has giant magnetic field but there are some theory related to earth’s … Read more

urban settlements are classified on various bases. However, classification based on size and function are most common. Let us discuss them one by one Classification based on Population Size According to population size, census of India classifies urban centres into six classes. Classwise urban settlements and their population Class                              Population Class I                            1,00,000 and above … Read more

Tertiary coal 15 to 60 million years old. Carbon content is very low.Mainly confined to the extra-Peninsula [Jammu and Kashmir, Himachal Pradesh, Assam, Arunachal Pradesh etc.]Coal generally has low carbon and high percentage of moisture and Sulphur.It takes few hundred million years for the carbon content to improve.Important areas of Tertiary coal include parts of … Read more

The practice of growing two or more crops simultaneously in a same field in definite row pattern is called intercropping. The row pattern may be in the ratio of 1:1, 1:2, and 1:3. It means after one row of main crop, one, two, or three rows of intercrops can be grown. Objective of intercropping: The basic objective … Read more

Ways: Diversification of export basket , instead of rice and sugar focus has to be on spices, cash crops. Improvement in agricultural productivity of cash crops to have competitive advantage. Most of the subsidies are cornered by rice, wheat, sugar which needs to be rationalised. Contract farming has to be encouraged. Infrastructure development, focus on … Read more

Tides are great bulges of water caused by the gravity of the moon and the sun. Attracted by gravity, these bulges move around the earth’s ocean, causing water level to rise and fall. There are two main tides that are higher or lower than average. They occur twice monthly and are called neap and spring … Read more