DMPQ-what are cyclones ? Mention the conditions required for the origin of Tropical Cyclone.

Cyclones are also termed atmospheric disturbances. When the velocity of winds increases to such an extent that they attain strong force, a cyclonic storm is formed. Cyclones are the centres of low pressure. They are surrounded by closed isobars having increasing pressure outward. The wind circulation is from outside towards the central low pressure. They … Read more

DMPQ-Define Anticyclones. Discuss the different types of Anticyclones.

Anticyclones are centres of high pressure.They are surrounded by closed isobars having decreasing pressure outward.  The circulation is from central high pressure towards the periphery in such a way that air blows outwards in a clockwise direction in the Northern hemisphere and anticlockwise direction in the southern hemisphere. Due to Coriolis force, blowing winds are … Read more

DMPQ-Explain the phenomenon of Front formation. Also mention the different types of Front formation.

. It is an inclined zone along which two opposing air masses having contrasting characteristics in terms of air temperature humidity density pressure converged together.  An extensive transitional zone between two converging air masses is called a frontal zone. The frontal zone is inclined at a low angle to the Earth’s surface. It is also … Read more

DMPQ-Explain the process of origin of Air masses. Also mention it’s impact on Global Climate.

Air mass is a large body of air having little horizontal variation in temperature and moisture.The air masses have a relatively uniform distribution of vertical gradients in their physical properties like temperature, pressure, and humidity. Air masses are formed in very particular surface and atmospheric conditions which are found only in a few areas of … Read more

DMPQ-Discuss the different types of permanent winds.

Permanent winds are also called invariable or planetary wind systems because they blow over larger areas of the earth. They blow in the same direction throughout the year. Trade Winds These flow from subtropical high-pressure belts to equatorial low-pressure belts in both hemispheres north and south. These are known as Northeast trade winds in the … Read more

DMPQ-Write an essay on Secondary or seasonal Winds.

. These winds change their directions with the seasonal changes or periodically. Monsoon Winds A monsoon wind is a seasonal wind found especially in Asia that reverses direction between summer and winter and often brings heavy rains. The Asiatic monsoon is the result of the interaction of both the planetary wind system and regional factors, … Read more

DMPQ-State the favourable conditions required for Cotton Cultivation. Mention the major cotton cultivating Indian States.

India lost a large proportion of cotton growing area to Pakistan during partition. However, its acreage has increased considerably during the last 50 years. Cotton is a tropical or sub-tropical crop grown in semi-arid areas of the country (mainly in the Deccan Plateau).  Hard-frost is injurious to cotton cultivation and it requires at least 210 … Read more

DMPQ-Explain the phenomenon of Inversion of Temperature. Also discuss it’s Geographical significance.

The phenomenon in which temperature increases with increasing altitude temporarily and locally under certain conditions is known as inversion of temperature. Inversion is usually of short duration but quite common nonetheless. Long winter night, clear sky, dry air and absence of winds leads to quick radiation of heat from the earth’s surface, as well as … Read more

DMPQ-Write an essay on Currents of Atlantic Ocean.

To the north and south of the equator, there are two westward-moving currents, i.e., the North and the South Equatorial Currents. Between these two, there is the counter equatorial current which moves from west to east. The South Equatorial Current bifurcates into two branches near the Cape De Sao Roque in Brazil and its northern … Read more

DMPQ-. Discuss the different types movements of Ocean Water.

The major movements of the ocean waters can be classified into three. They are: Waves Tides Ocean Currents Waves and the ocean currents are horizontal movements of ocean waters while the tide is a kind of vertical movement of the ocean water. Waves Waves are nothing but the oscillatory movements that result in the rise … Read more

DMPQ-Discuss how Climate change is effecting world’s Coral reefs.

Coral reefs harbour the highest biodiversity of any ecosystem globally and directly support over 500 million people worldwide, mostly in poor countries. They are among the most threatened ecosystems on Earth, largely due to unprecedented global warming and climate changes, combined with growing local pressures. A spike of 1–2°C in ocean temperatures sustained over several … Read more

DMPQ-. Discuss the Erosional Landforms formed by Wind.

Pediplains When the high relief structures in deserts are reduced to low featureless plains by the activities of wind, they are called as Pediplains. Deflation Hollows Deflation is the removal of loose particles from the ground by the action of wind. When deflation causes a shallow depression by persistent movements of wind, they are called … Read more

DMPQ-Discuss the major causes of soil degradation.

Soil erosion: Among the agents, water is considered as the main cause of soil erosion. Main agents of soil erosion are (1) Water, (2) Wind, (3) Waves and (4) Glaciers Removal of the top layer of soil by various means, which include both natural events and human activities, is called as soil erosion. Decline of … Read more

DMPQ-Discuss different types of physical or mechanical weathering.

. Physical or mechanical weathering processes depend on some applied forces. Unloading and Expansion Removal of overlying rock load because of continued erosion causes vertical pressure release. Thus, the upper layers of the remaining rock expand to produce disintegration of rock masses. Fractures will develop roughly parallel to the ground surface. In areas of curved … Read more

DMPQ-Discuss different types of physical or Chemical weathering.

Chemical weathering can be due to solution, carbonation, hydration or oxidation/reduction. Solution When something is dissolved in water or acids, the water or acid with dissolved content is called a solution. This process involves the removal of solids in solution and depends upon the solubility of a mineral in water or weak acids. When coming … Read more

DMPQ-What are marine Heatwaves ? Explain their causes and impact on Indian Subcontinent .

Marine heatwaves are periods of extremely high temperatures in the ocean.  This phenomenon causes ocean temperatures to be extremely warm for an extended period that can have significant impacts on marine ecosystems and industries.?  These can occur in summer or winter. The most common drivers of marine heatwaves include: Ocean currents can build up areas … Read more

DMPQ-State the major characteristics of Alluvial Soils. Mention the geographical distribution of it across India.

Major characteristics of Alluvial Soils are as follows: They are immature and have weak profiles due to their recent origin. Most of the soil is sandy and clayey soils are not uncommon. They vary from loamy to sandy-loam in drier regions and clayey loam towards the delta. Pebbly and gravelly soils are rare. Kankar (calcareous … Read more

DMPQ-Write a short note on the different types of Seismic Waves.

The earthquake which originates in the lithosphere propagates different seismic waves or earthquake waves. Earthquake waves are basically of two types – body waves and surface waves. Body waves They are generated due to the release of energy at the focus and moves in all directions traveling through the body of the earth. Hence, the … Read more

DMPQ-Write an essay on the measurement of Earthquake waves.

Seismometers are the instruments which are used to measure the motion of the ground, which including those of seismic waves generated by earthquakes, volcanic eruptions, and other seismic sources. A Seismograph is also another term used to mean seismometer though it is more applicable to the older instruments. The recorded graphical output from a seismometer/seismograph … Read more

DMPQ-Describe the different types of Volcanos.

Volcanoes are classified on the basis of nature of eruption and the form developed at the surface. Shield Volcanoes  They are far and wider. They extend to great height as well as distance. They are the largest of all volcanoes in the world as the lava flows to a far distance. The Hawaiian volcanoes are … Read more

dmpq-Write an essay on National disaster plan 2016.

National Disaster Management Plan (NDMP), 2016 is the first-ever national plan prepared in the country for disaster management. With National Disaster Management Plan 2016 India has aligned our National Plan with the Sendai Framework for Disaster Risk Reduction 2015-2030, to which India is a signatory. National Disaster Management Plan aims to make India disaster resilient … Read more

DMPQ-. Write a short note on the growth of agriculture output and technology since independence.

There has been a significant increase in agricultural output and improvement in technology during the last fifty years. Production and yield of many crops such as rice and wheat has increased at an impressive rate. Among the other crops, the production of sugarcane, oilseeds and cotton has also increased appreciably. India ranked first in the … Read more

Write a short note on Global environment facility.

The Global Environment Facility (GEF) was established on the eve of the 1992 Rio Earth Summit to help tackle our planet’s most pressing environmental problems. Since then, the GEF has provided close to $20.5 billion in grants and mobilized an additional $112 billion in co-financing for more than 4,800 projects in 170 countries.                 The GEF provides funding to assist developing countries in … Read more

What are the major findings in Indian status of Forest report?

                Major findings are as follows: Area-wise Madhya Pradesh has the largest forest cover in the country followed by Arunachal Pradesh, Chhattisgarh, Odisha and Maharashtra. In terms of forest cover as percentage of total geographical area, the top five States are Mizoram (85.41%), Arunachal Pradesh (79.63%), Meghalaya (76.33%), Manipur (75.46%) and Nagaland (75.31%). Total mangrove … Read more

Describe the major physiographic divisions of Himalayas range and their characteristics.( Geography)

Himalayas separate plain of Indian subcontinent from the Tibetan Plateau and are           formed by folding of Tethys sea sediments. These mountain ranges run for about 2400 kilometers from Indus River in west to Brahmaputra River in the east. The average            width of the Himalayas is 160 to 400 km. Himalayas can be divided … Read more

DMPQ-. Explain different types of rain.

They can be of various types depending upon the process of precipitation,  obstacles etc. Convectional Rain The, air on being heated, becomes light and rises up in convection  currents. As it rises, it expands and loses heat and consequently, condensation takes  place and cumulous clouds are formed. With thunder and lightening, heavy rainfall  takes place … Read more

DMPQ- Point out the major mineral belts of India.

. Most of the metallic minerals in India occur in the peninsular plateau region in the old  crystalline rocks. Over 97 per cent of coal reserves occur in the valleys of Damodar, Sone, Mahanadi and Godavari.  Areas of high rainfall lack in soluble minerals like Limestone, Gypsum and Salt.  Northern Plains are poor in minerals … Read more

DMPQ- . Discuss the major crop patterns in India.

. Some of the major cropping systems are:  Sequential system Multiple crops are grown in a sequence using short duration crops and intense input management. In Maharashtra, a sequence of Rice, Beans and Ground nuts is  followed. It is the most common cropping system in India. Mixed cropping It refers to crop mixture of two … Read more

DMPQ-How does flood effects India during monsoon and how Governments prepares to control it ?

Frequent inundation of agricultural land and human settlement, particularly in Assam, West Bengal, Bihar and Eastern Uttar Pradesh (flooding rivers), coastal areas of Orissa, Andhra Pradesh, Tamil Nadu and Gujarat (cyclone) and Punjab, Rajasthan, Northern Gujarat and Haryana (flash floods) have serious consequences on the national economy and society. Floods do not only destroy valuable … Read more

DMPQ-Throw light on preparedness and mitigation procedure during and after earthquake disaster.

. Unlike other disasters, the damages caused by earthquakes are more devastating. Since it also destroys most of the transport and communication links, providing timely relief to the victims becomes difficult. It is not possible to prevent the occurrence of an earthquake;  hence, the next best option is to emphasis on disaster preparedness and mitigation … Read more

DMPQ-. Explain the phenomenon of origin of tropical cyclones.

Tropical cyclones are violent storms that originate over oceans in tropical areas and move over to the coastal areas bringing about large scale destruction caused by violent winds, very heavy rainfall and storm surges. This is one of the most devastating natural calamities. They are known as Cyclones in the Indian Ocean, Hurricanes in the … Read more

DMPQ- What is temperature inversion and how does it effect atmosphere?

Normally, temperature decreases with increase in elevation. It is called normal lapse rate. At times, the situations is reversed and the normal lapse rate is inverted. It is called Inversion of temperature. Inversion is usually of short duration but quite common nonetheless. A long winter night with clear skies and still air is ideal situation … Read more

DMPQ- How the movement of Indian plate has affected the structural changes of continents.

  The Indian plate includes Peninsular India and the Australian continental portions.  The subduction zone along the Himalayas forms the northern plate boundary in the form of continent— continent convergence. In the east, it extends through Rakinyoma Mountains of Myanmar towards the island arc along the Java Trench. The eastern margin is a spreading site … Read more

DMPQ- Classify Himalayas on the bases on relief, alignment of ranges and other geomorphological features.

Based on relief, alignment of ranges and other geomorphological features, the Himalayas can be divided into the following sub-divisions: Kashmir or Northwestern Himalayas  Kashmir or Northwestern Himalayas consist of a series of ranges such as the Karakoram, Ladakh, Zanskar, and Pir Panjal. Important glaciers of South Asia, i.e., the Baltoro and Siachen are found in … Read more

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