Geography Previous Year Questions (PYQ) with Answers – Page 34

Sheet erosion peels a thin, even film of topsoil off a whole slope, leaving no channel or scar behind, so a farmer may not notice it for years while fertility quietly drains away.

Hogenakkal Falls lies on the river Kaveri in the Dharmapuri district of Tamil Nadu, close to the border with Karnataka.

Sandalwood is a tree of the tropical deciduous or monsoon forests, and in India it grows best on the dry eastern slopes of the Western Ghats in Karnataka and Tamil Nadu.

Melocanna baccifera, the muli bamboo, covers large tracts of Mizoram and the neighbouring hills and flowers only once in about half a century, after which the whole stand dies.

Khetri, in the Jhunjhunu district of Rajasthan, is famous for its copper mines. The Khetri belt runs along the Aravalli range, and its ore is mined and processed by Hindustan Copper Limited, which set up the Khetri Copper Complex there.

Fertility needs mineral nutrients such as nitrogen, phosphorus and potassium from the weathered rock, and organic matter, that is humus from decayed plants and animals, which holds water, feeds soil organisms and releases nutrients slowly.

The Kaleshwaram project lifts water from the Godavari near the confluence of the Godavari and the Pranahita and carries it through a chain of barrages, pump houses, tunnels and canals to the drier districts of Telangana; it is described as a multi-stage lift irrigation scheme rather than a single storage…

The Maithon dam is built across the Barakar, a tributary of the Damodar, in Jharkhand, and is one of the reservoirs of the Damodar Valley Corporation, so it has nothing to do with the Kaveri.

Lignite is the low grade brown coal the question describes: it is soft, brown to blackish brown, and holds a high amount of moisture, often 35 to 45 per cent, so it gives less heat when it burns.

The troposphere is the lowest layer of the atmosphere, lying right above the Earth's surface, and nearly all weather happens in it.

Serchhip district of Mizoram recorded the highest literacy rate of any district in India in the Census of 2011, at almost 98 per cent.

Cashew grows best on red laterite soil, which is coarse, well drained and slightly acidic, exactly what the crop needs.

Coniferous forests grow in the cold northern belt of Asia, Europe and North America and are made of softwood evergreen trees such as pine, fir and spruce, whose light wood is used for paper and furniture.

Maharashtra has by far the largest number of large dams in India, more than two thousand of the roughly 5,300 listed in the National Register of Large Dams, which is close to half the country's total.

Jog Falls is in the Shivamogga district of Karnataka. The Sharavathi river drops about 253 metres here in four separate streams known as Raja, Rani, Rocket and Roarer, which makes Jog one of the highest plunge waterfalls in India.

The Wang Chhu flows through western Bhutan and joins the Brahmaputra system in India. The Wang Chhu rises in the Himalayas of Tibet, passes Thimphu and Paro in Bhutan, and enters West Bengal, where it is known as the Raidak.

Lakshadweep is a group of small coral islands, atolls and reefs lying off the Malabar coast of Kerala in the Arabian Sea, built on a submarine ridge.

The pre-monsoon thundery showers of Karnataka are called cherry blossom showers or blossom showers because they help the coffee plants of the Kodagu, Chikkamagaluru and Hassan belt to flower.

Doddabetta, about 2,637 metres high, is the highest peak of the Nilgiri Hills and stands close to Ooty (Udhagamandalam) in Tamil Nadu.

In the 2011 Census, Nagaland was the only state whose population actually fell, with a decadal growth rate of about minus 0.6 per cent for 2001–2011, the lowest in India.