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.

  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 DMPQ: Give an account of the following a) Westerlies b) Horse latitudes c) Doldrums d) Jet streams

PVTGs constitute the most vulnerable section among tribals and largely reside in isolated, remote and difficult areas in small scattered hamlets. PVTG tag is given to identify the vulnerable tribes and to have specialised scheme to safeguard their cultural identity. Tag is given by Ministry of Home affairs. 75 tribal groups have been categorized by … Read more DMPQ-What is PVTG? How a tribe gets the status of PVTG?

(a)Great lakes  Great Lakes of North America are a series of interconnected freshwater lakes which connect to the Atlantic Ocean through the Saint Lawrence Seaway.Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario . Superior, Huron, Michigan, Erie, and Ontario [In the order of largest to smallest].Lake Superior is the largest continental lake in the … Read more Give an account for the following: (map based questions) a) Great lakes b) Lake Baikal c) Lake Tanganyika d) Aral sea

China China ranks first in the world in coal production. Nearly 38 per cent of world’s coal output is from China. All types of coal are found, including anthracite, bituminous coal and lignite. Although coal occurs in every province of China, but its greatest concentration is in Shanxi and Shaanxi (Shansi and Shensi).   USA … Read more DMPQ- Analyse the World Distribution of coal reserves.

The study of temperature of the ocean is important for studying the movement of large volumes of water, distribution of marine organisms, other properties such as salinity. This distribution pattern can be studied under vertical and horizontal distribution. Factors responsible for variation in horizontal distribution: The average temperature of surface water of the ocean is … Read more DMPQ- Enumerate the factors responsible for the Horizontal distribution of temperature in ocean water.

Weathering, water, elevation, sinking, and erosion of the soil are constantly shaping the surface of the Earth. It doesn’t really happen overnight but takes hundreds and thousands of years for us to notice these changes. These are the natural processes that lead to various formations of the Landforms. Landforms originate from these geological processes. Landforms can be categorized into Mountains, Plateaus, and Plains depending … Read more DMPQ- Discuss different types of Mountain landforms.

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 desert are on the western margins of the continent?

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

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?