Geography GK Questions with Answers – Page 40

The Tropic of Cancer (23.5°N) passes through eight Indian states, and Manipur is not one of them; it lies just to the north.

Clouds are grouped by height and shape into high, middle and low families, but stratus, nimbostratus and stratocumulus are low clouds, not high ones.

The Shamal is a hot, dry north-westerly wind that blows over Iraq and the Persian Gulf, the old land of Mesopotamia.

Salt crystal growth breaks rock by pressure alone, without changing its minerals, so it is a type of physical (mechanical) weathering.

By origin, resources are either biotic, which come from living things, or abiotic, which come from non-living things. Biotic resources are obtained from the biosphere and have life: plants, animals, fish, livestock and human beings.

When houses are built all around a lake or tank, the village grows in a ring around the water, giving a circular pattern.

The Periyar rises in the Western Ghats of Kerala and flows west into the Arabian Sea. The Periyar is the longest river of Kerala.

Gneiss is a metamorphic rock, formed when existing rocks are changed by great heat and pressure. Igneous rocks form when molten magma or lava cools and hardens.

The sun rises first in the place farthest east, so the order follows longitude: Imphal, Itanagar, Aizawl and then Agartala.

Viticulture, the growing of grapes, is a hallmark of Adelaide, which is surrounded by Australia's best-known wine regions. Adelaide, the capital of South Australia, has a Mediterranean climate with hot, dry summers and mild, wet winters, the conditions grapevines like best.

A barchan is a crescent-shaped sand dune built by wind from one steady direction, but its windward slope is gentle and its horns point downwind.

Kalakot lies in the Reasi district of Jammu and Kashmir, in the foothills of the Himalaya. India's coal is of two ages.

The National Water Academy functions at Khadakwasla in Pune, Maharashtra, under the Central Water Commission. The academy began in 1988 as the Central Training Unit of the Central Water Commission and was renamed the National Water Academy in 1997.

The crust is the outermost and thinnest layer of the earth and is of two kinds. The continental crust, made largely of lighter granitic rock rich in silica and aluminium, averages about thirty kilometres in thickness and reaches about seventy kilometres under young fold mountains such as the Himalaya.

Plate tectonics, propounded in 1967, holds that the lithosphere is broken into seven major plates and a number of minor ones that move over the plastic asthenosphere.

Near Easter Island in the South Pacific the rise spreads at more than fifteen centimetres a year, the highest rate measured, while the Arctic Ridge in option A has the slowest rate of less than two and a half centimetres a year.

It lies between South America and the Pacific plate and is one of the well known minor plates, along with the Cocos, Arabian, Philippine, Caribbean, Juan de Fuca, Scotia, Caroline and Fuji plates.

Along the San Andreas Fault the Pacific plate and the North American plate slide horizontally past each other.

The Indian plate moved northwards and met the Eurasian plate. Both carry light continental crust, so neither could sink far into the mantle; instead the sediments of the Tethys Sea lying between them were compressed, folded and thrust upwards to form the Himalaya, and the collision is still going on…

After the detailed mapping of the ocean floor during and after the Second World War revealed mid-oceanic ridges, deep trenches and a surprisingly thin cover of sediment, Hess proposed in 1961 that molten material rises along the ridge, forms new ocean floor and pushes the older floor away on both…