Geography

The atmosphere can be divided into five layers according to the diversity of temperature and density. (a) Troposphere :-It is the lowest layer of the atmosphere. The height of this layer is about 18 kms on the equator and 8 kms on the poles. The main reason of higher height at the equator is due … Read more DMPQ: Discuss the structure of Atmosphere.

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.

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

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 DMPQ- List out the Importance of glaciers.

The factors, which affect the distribution of temperature of ocean water are as follows: Latitude: The temperature of surface water decreases from the equator towards the poles because the amount of insolation decreases pole-ward.   Unequal distribution of land and water: The oceans in the northern hemisphere receive more heat due to their contact with … Read more DMPQ- What are the factors which affect the distribution of temperature of ocean water?

National Heritage City Development and Augmentation Yojana (HRIDAY) is focused on holistic development of heritage cities.  The main objective of HRIDAY is to preserve character of the soul of heritage city and facilitate inclusive heritage linked urban development in partnership with State Government. The duration of HRIDAY schemes would be Four Years starting from December … Read more DMPQ- HRIDAY Scheme.

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 causes of ground water contamination?

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 DMPQ- Write a short note on the Major irrigation projects of India.

Wind is caused by the uneven heating of the atmosphere by the sun, variations in the earth’s surface, and rotation of the earth. Mountains, bodies of water, and vegetation all influence wind flow patterns. Wind turbines convert the energy in wind to electricity by rotating propeller-like blades around a rotor. The rotor turns the drive shaft, which … Read more DMPQ- What is wind energy and how it is tapped? Write cons of Wind energy.

On 12 August 2018, after 20 years of talks, the leaders of the five littoral states to the Caspian Sea – Azerbaijan, Iran, Kazakhstan, Russia and Turkmenistan – finally signed a treaty defining its legal status. The ‘Convention on the Legal Status of the Caspian Sea’ has not resolved all the long-standing issues; in fact, … Read more DMPQ-Significance of Caspian sea treaty.