Geography

There are three types of plate boundaries: Divergent Plate boundaries: where plates move away from each other. : These are oceanic ridges where new oceanic lithosphere is created by upwelling mantle that melts, resulting in basaltic magmas which intrude and erupt at the oceanic ridge to create new oceanic lithosphere and crust. As new oceanic … Read more DMPQ: What are different types of plate boundaries?( World Phy. Geo)

There are several reasons for this. First, the mountain topography in Karnataka is broader than the narrow topography of the Ghats in Maharashtra. Due to the greater width of the mountains, the rain bearing winds have to necessarily travel a longer distance and have more time for the drops to coalesce and precipitate as rainfall, … Read more DMPQ: Western Ghats in Karnataka receive more monsoon rainfall than Maharashtra and Kerala.Explain

Geysers are fountains of hot water and superheated steam that may spout up to a height of 150 feet from the earth beneath. The phenomenon are associated with a thermal or volcanic region in which b the water below is being heated beyond boiling point. The jet of water is emitted with an explosion, and … Read more DMPQ: Explain ‘Geysers’ and ‘Hot springs’?

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?

Seasonality refers to both the seasonal variation of the suns position above the horizon and the changing daylength.  There are five reasons for seasons which are discussed here under: Earth’s revolution in its orbit around the sun: Earth completes its annual orbit in 365.24 days at a speed averaging 107,280 Km.hr in a counter clockwise … Read more DMPQ: What are the reasons for seasonality?

Sedimentary or detrital rocks :   They Formed as a result of denudation (weathering and erosion).These deposits through compaction turn into rocks. This process is called lithification. Sedimentary rocks Cover 75 per cent of the earth’s crust but volumetrically occupy only 5 per cent. They are layered or stratified of varying thickness. Example: sandstone, shale etc. … Read more DMPQ: What are sedimentary rocks? What are the its different types? List down the features of sedimentary rocks.

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 DMPQ: Please gave an account of the following in 50 words. a) fissure vent b) Chinook c) Fohn

An earthquake is the shaking or trembling of the earth’s surface, caused by the sudden movement of a part of the earth’s crust. The majority of earthquake occur at the point junction of major tectonic plates. The highly active regions are Pacific rim belt, Alpine belt , along oceanic ridges. The distribution is summarised as … Read more DMPQ: Give an account on the Distribution of Earthquake potential zone in the world.

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.

Most known volcanic activity and the earthquakes occur along converging plate margins and mid-oceanic ridges. There is a strikingly close agreement between volcanic and earthquake zones of the earth. The major regions of volcanoes around the world are: Pacific ring of fire:  Pacific Ring of Fire’ is estimated to include two-thirds of the world’s volcanoes.  The major regions … Read more DMPQ: Distribution of volcanoes around the world.

An earthquake is the shaking or trembling of the earth’s surface, caused by the sudden movement of a part of the earth’s crust. They result from the sudden release of energy in the Earth’s crust that creates seismic waves or earthquake waves.   Causes of the earthquake are as follows:   Sudden slipping of rock … Read more DMPQ: What is Earthquake? List down the causes of Earthquake?

( in answer writing when such kind of explanation is asked follow this approach) Distribution:     Lies in the interior of the earth crust. They basically lies in the zone of  westerly wind belt. Grasslands are practically treeless due to continentality. They are called by different names in different parts of the world Prairies North … Read more DMPQ: Discuss the steppe type of climate.

The savanna or sudan climate is a transitional type of climate found between the equatorial forest and the trade winds hot deserts. It is confined within the tropics and is best developed in the sudan where the dry and wet seasons are most distinct, hence its is named sudan climate. Llanos in oronocco basin and … Read more DMPQ: Explain the Savanna type of climate

A glance at the world map reveals that most of the desert region is on the western part of the continent for example. Mohave desert in North America, Atacama in Southern America, Namib, Sahara in Africa , Arabian in west Asia. The reasons for such homogeny are: The hot desert lie astride the Horse latitudesor … Read more DMPQ: Why deserts are on the western margins of the continent?

Climate is the average weather conditions of large area. According to the koeppen system of classification , the world is divided into five climatic groups and 13 climatic types based on the temperature, precipitation and vegetation. The notable characteristics of Monsoon type of climate are as follows: The climate is divided into distinct 4 seasons. … Read more DMPQ: Discuss the features of the Monsoon type of climate.

Climate is the average weather conditions of large area. According to the koeppen system of classification , the world is divided into five climatic groups and 13 climatic types based on the temperature, precipitation and vegetation. The notable characteristics of Monsoon type of climate are as follows: The climate is divided into distinct 4 seasons. … Read more DMPQ: Discuss the features of the Monsoon type of climate.

Tea is an evergreen plant that mainly grows in tropical and subtropical climates. It is thought to have originated in East Asia somewhere between China and Burma. The geographical factors required for Tea cultivation are: Tea grows in a moderately hot and humid climate . Moring fog and low temperature is necessary for the growth … Read more DMPQ: Discuss the factors associated with tea cultivation.

El-nino is the classical phenomenon where warming of Pacific ocean takes place near the western coast of Peru and Equador. It occurs at every 3-4 years. It weakens the trade winds and changes in southern oscillation , thereby affects the rainfall pattern across the world. Southern oscillation: Southern oscillation is the alternating of sea level … Read more DMPQ: What is El Nino and southern oscillation and How it affects the Indian Monsoon?

Seismic waves are generated due to the release of the energy during an earthquake. They behave differently in different physical mediums and hence provide a good idea how the interior of earth must be. Broadly there are three types of seismic waves: Primary waves: (P) – Waves are longitudinal waves. i.e. The motion of particles … Read more DPMQ : what are seismic waves? Explain the different type of seismic waves?

Demographic dividend means that as compared to other large developing and developed countries, India Has a higher proportion of working age population as compared to entire population. More than 50% of India’s population is in the age group of 15-59 years. With such a young population. It has a huge demographic dividend waiting to be … Read more DMPQ: what do you understand by the term demographic dividend? This dividend is fast becoming liability. Discuss?

India is the second populous country after china. India has 17.74% of the total world population. The main reason for the high population growth is the high fertility rate which is presently 2.5. It means an Indian women in her reproductive span produces 2.5 offspring on an average. The reasons for high fertility rate are … Read more DMPQ: What are the reasons for high fertility rate in India?

  Factors Temperate Tropical Latitude 300- 600 50- 300 Originating element Frontogenesis Temperature and Coriolis force Cloud Wide range of clouds associated Generally Clumonimbus Rainfall and life Rainfall is slow. It remain in life for many days. Rain is heavy but does not last beyond few hrs. Isobars Complete circle with steep gradient V shaped … Read more DMPQ: Compare Temperate cyclone and tropical cyclone.

According to the IPCC report by 2010 45% of Himalaya  will be shrinked. The rate of shrinkage is 0.5% annually. There are various reason for Himalayan shrinkage which are discussed below: Weak monsoon affecting snow accumulation Because of global warming, rise in temperature In the eastern and central Himalayan, it shows mainly during monsoon season … Read more DMPQ: Effect of climate change on Himalayan Glaciers and effect on human settlement.

According to the IPCC report by 2010 45% of Himalaya  will be shrinked. The rate of shrinkage is 0.5% annually. There are various reason for Himalayan shrinkage which are discussed below: Weak monsoon affecting snow accumulation Because of global warming, rise in temperature In the eastern and central Himalayan, it shows mainly during monsoon season … Read more DMPQ: Effect of climate change on Himalayan Glaciers and effect on human settlement. 

  Montreal protocol  is a treaty signed in 1987 to ban ozone depletion substance like CFC’s and HCFC which were used in refrigerators and Air conditioner. India is also one of the signatories of Montreal protocol. The Montreal Protocol has proven to be innovative and successful, and is the first treaty to achieve universal ratification … Read more DMPQ: Montreal protocol has been one of the rarest treaty that achieve success. What is Montreal protocol all about?

urban flood is a common phenomenon. These flood occur in a very short span of time and drench city with several feet’s of water. The example of urban floods can be seen in Gurugram, Mumbai etc. Reasons for urban floods: Destruction of wetland- wetland act as natural aquifers. Their destruction led to reduction in moisture … Read more DMPQ: What is urban flood? List down the reason for urban floods and map out the solution.

Ocean current are nothing but movement of volume of water in defined direction and    with an identifiable speed. These current regulate the temperature and salinity of ocean currents and also get regulated by them. Factors responsible for ocean currents: Earth rotation from west to east . It leads to North equatorial current and south equatorial … Read more DMPQ: What are ocean currents? What are the factors responsible for ocean currents.

Sagarmala is a series of projects to leverage the country’s coastline and inland waterways to drive port led development. It is a mammoth project with a total outlay of 8 lakh crore spread across four broad areas. Modernisation of port infrastructure Improve port connectivity Development of coastal community Create coastal economic zones   Challenges: It … Read more DMPQ: Sagarmala is an ambitious project. What is sagarmala? What are the challenges in implementation? Discuss the prospect of the project.

Obsolete machinery Low productivity/ hectare Low crushing season Policies issues: Highly political sensitive commodity Delinking of sugarcane and sugar prices State advisory prices are very high Restriction on the use of bagasse and molasses. Energy generation cannot be sell out to others. Low per capita consumption of sugars. High input cost involved in sugarcane crop. … Read more DMPQ: Sugar mills are facing some serious problems in the recent past. List down the       reason for problems attached with sugar mills. Why  performance of mills in peninsular India is better than that of north India?

Textile industry is the second largest provider of emoloyment after agriculture. India is the second largest producer of textiles after China. It contributes 14% of industrial production, 4% of GDP and 13% of export earning. But there are some chronic problems associated with textile industry. It is largely an unorganised sector. Its highly fragmented nature … Read more DMPQ: Textile industry is one of the labor intensive industry. List down the challenges faced by textile industry and govt. initiative to address them.

Groundwater contamination is the adulteration of water because of the increase in the concentration of certain pollutants. The major pollutants contributing to contamination are Arsenic, fluoride, Iron, uranium , nitrate etc. Causes of groundwater contamination are: Natural: Groundwater naturally contains high amount of pollutant due to geological formation. For example occurrence of fluoride is related … Read more DMPQ: What is groundwater contamination? What are the cause of ground water contamination?

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 DMPQ: Discuss the problems associated with coal mining in India.

Soil erosion : It is the process by which top layer of soil gets removed thus affecting the productivity by altering the structure of the soil. It is a natural process but human intervention has accentuated the rate of depletion of soil wealth. Soil Degradation:  It is a process through which qualitative degradation of soil … Read more DMPQ: What do you understand by the term soil erosion and soil degradation? what are the causes of soil erosion? List down the solution to curb soil erosion. 

Indian economy still is agro based economy and Indian society still remains agrarian society. Contribution of agriculture in GDP has declined but its importance and significance has not declined. But some fundamental challenges are faced by Indian agriculture. Indian agriculture still remains the gamble of Indian Monsoon. Only 48% of the land has assured irrigation. … Read more Discuss the challenges of Indian Agriculture and present an outlook.

Flood is a natural disaster which can never be avoided, India being one of the worst flood hit tropical country in the world which causes huge economic and emotional losses. We cannot afford to ignore flood but we can manage it. Around 12% of the total area i.e. 40 million hectare is prone to flood. … Read more Discuss the flood scenario in India. Write down the consequence of floods.

  S.No. Himalayan drainage Peninsular drainage 1. Perennial in nature. Seasonal in nature 2. Both snow fed and monsoon n fed Monsoon fed 3. Voluminous Less voluminous 4. Very large command area Less Command area 5. Himalayan river exhibits antecedent character Consequent character is exhibited 6. All Himalayan rivers form delta at the mouth Form … Read more Enumerate the difference between Himalayan and Peninsular drainage system?

The Himalayan has rendered unique climatic identity to Indian subcontinent. The role played by it is nothing less than a foster mother. It save India from the cold north east trade winds and provide tropical type of climate in the subtropical region. It is not a exaggeration to say that Indian economy is gamble of … Read more The Himalayas has played the important role of a foster mother for the Indians. Discuss.

In this type of questions please try to make map of India and roughly show the location of western and eastern ghats. Basis Western Ghats Eastern Ghats Direction Run Parallel to west cost in north south direction Eastern ghats run in a north east to south west direction parallel to the eastern cost. Width Avg … Read more Tabulate the difference between western ghats and eastern ghats?