Tnpsc and Upsc Notes Pdf
Pravin Babu R 
The Food web in the desert Producer Cactus Cactus are desert plants, they grow in dry places. They have the ability to store water, which keeps them alive. It is protected by sharp spines or needles. As soon as the sun rises, this plant starts making sugars. These plants have succulent tissue, waxy skin and … Read more
The Hunter-Gatherer Food Chain is associated with Pastoral farming, also known as ranching, grazing, or livestock farming. It aimed at livestock production rather than growing plants, crops, etc. Examples are Raising cows for beef, milk, etc, raising sheep for wool, Goats for mutton, etc. In a single farm, the livestock and crops are grown simultaneously, … Read more
Distribution of alluvial soil in India Alluvial soil is distributed widely in the Northern Plains of India, also in eastern coastal plains in India such as the Mahanadi delta, Godavari delta, Krishna delta and Kaveri delta. In Northern Plains, it is found throughout the Indo-Gangetic plain and especially along with the lower courses of India’s … Read more
Niti Aayog Niti aayog full form NITI Aayog stands for National Institution for Transforming India. It is a think tank of the Government of India, created to provide expertise and direction to the government on policy matters related to economic growth and social development. It was established in 2015, replacing the Planning Commission of India, … Read more
Depositional landforms of groundwater A variety of depositional forms are developed within the limestone caves. The main chemical component in limestone is Calcium Carbonate. The groundwater may become saturated with Calcium bicarbonate. The Calcium bicarbonate is formed by a reaction between Carbonic acid which is present in the rainwater and the calcium carbonate present in … Read more
This article focuses on the work of the Erosional landforms of groundwater. If the rocks are permeable, thinly bedded, high jointed and cracked, then the water percolates well into it. After the water goes down to some depth vertically, the water under the ground flows horizontally within the bedding places, joints or within the materials … Read more
Depositional landforms of river The depositional landforms that formed the running waters of the river are: Alluvial Fans, Deltas, Floodplains, Natural Levees, and Point Bars, Meanders, Braided Channels The main work of the river is deposition, bed building, by which it forms the flood plains. When there is a large water flow such as floods, … Read more
The erosional landforms of the river are River Valley Formation, Potholes and Plunge Pools, Incised or Entrenched Meanders, River Terraces, etc. Valleys The valley begins as small and narrow rills. The rills then slowly develop into long and wide gullies. Then the gullies get deepened, widened, and rise on becoming valleys. Based on the dimensions … Read more
Plain formed by Wind Deposition The two features that are formed by wind deposition are Sand dunes and loess deposits. The dunes are also called Aeolian Landforms. The wind is a good sorting agent. Based on the velocity of the wind, varying sizes of grains are moved along the floor by saltation, or by rolling, … Read more
The wind is one of the two dominant agents in hot deserts. The desert floors get heated up too much and too quickly because of are dry and barren. The heated floors heat up the air directly above them and result in upward movements in the hot lighter air with turbulence, and any obstructions in … Read more