Hydrosphere MCQ Question and Answer | Geography MCQ Question

The Benguela current had its influence in the formation of Kalahari Desert. The Benguela Current draws icy-cold waters from the Southern Ocean and carries them northward along the coast of Africa. Because of these cold waters, rain clouds do not develop over the southwest coast of Africa, contributing to the parched climate of the Kalahari and Namib deserts. The currents of Northern Indian Ocean change their course of flow twice a year. The currents in the northern Indian Ocean change their flow direction twice a year due to north-east and south-west monsoon winds.

On the bank of Hudson River, New York is situated. The Hudson River is a 315-mile (507 km) river that flows from north to south primarily through eastern New York in the United States.

Much of the earth surface is covered by water making it the Blue planet. About 2/3 of earth surface comprises of water of water i.e. equivalent to 70%.

North America's Lake Superior is the largest freshwater lake in the world.

All the following statements are true regarding distribution of world population. Only 10% of the total population lives in the southern hemisphere, nearly two-thirds of the total population live within 500 km of sea and nearly 80% of the total population lives within 500 meters altitude above sea level.

All the three are correct percentages. Oceans and lakes - 95%, Frozen as ice - 4%, For man's use - 1%.

The world's highest waterfall is in Venezuela. Angel Falls (Salto Ángel) in Venezuela is the highest waterfall in the world. The falls are 3230 feet in height, with an uninterrupted drop of 2647 feet.

Coral islands are formed by the growing corals in shallow sea water with gentle temperatures. These are mostly found in tropical and sub-tropical zones. New corals develop on pre-existing corals which leads to formation of islands. Corals are living beings and are rich in calcium. Coral island, tropical island built of organic material derived from skeletons of corals and numerous other animals and plants associated with corals.

Sunda trench (or Java trench as known earlier) is located in the Northeastern Indian ocean.

The Arctic Ocean has the widest continental shelf of all the oceans; it extends c.750 mi (1,210 km) seaward from Siberia. The Siberian continental shelf form the world's widest continental shelf in Arctic Ocean.