Geography Quiz: Major Lakes and Waterfalls of the World

It lies in a rift valley in southern Siberia, reaches a depth of about 1,642 metres and holds more fresh water by volume than any other lake, roughly a fifth of the unfrozen surface fresh water of the earth.

It is a landlocked salt lake bordered by Russia, Kazakhstan, Turkmenistan, Iran and Azerbaijan, the remnant of the ancient Tethys sea, and is called a sea only by custom.

Angel Falls, called Salto Angel in Spanish, drops about 979 metres from the Auyan Tepui, one of the flat topped table mountains of the Guiana highlands, and is fed by the Churun river, a tributary of the Caroni.

The falls lie on the border of Zambia and Zimbabwe, where the Zambezi drops into a basalt gorge; the local name Mosi-oa-Tunya means the smoke that thunders, and the missionary explorer David Livingstone named them after Queen Victoria in 1855.

The Niagara river carries the water of Lake Erie to Lake Ontario, and on the way it crosses the Niagara escarpment, a band of hard dolomite, which produces the Horseshoe, American and Bridal Veil falls on the border of Canada and the United States.

Of the five lakes remembered by the word HOMES, Huron, Ontario, Michigan, Erie and Superior, only Michigan lies wholly in the United States; the international boundary with Canada runs through the other four.

Lake Titicaca lies on the Altiplano of the Andes at about 3,810 metres above sea level and carries regular boat traffic, which is why it is called the highest navigable lake in the world.

The White Nile leaves Lake Victoria at Jinja in Uganda and flows north through Lake Kyoga and Lake Albert to meet the Blue Nile at Khartoum, where the Nile proper begins.

It lies in the Jordan rift valley between Israel and Jordan, more than four hundred metres below sea level, and its extreme salinity, caused by heavy evaporation with no outlet, lets a swimmer float easily.

The Iguazu river falls in a horseshoe of hundreds of separate cascades just above its junction with the Parana, and the two countries have national parks on either side of the fall.

It lies in the Kashmir valley in Jammu and Kashmir, is fed by the Jhelum and occupies a tectonic depression, which makes it the largest freshwater lake of India.

Kolleru is a large shallow freshwater lake lying between the deltas of the Krishna and the Godavari, fed by the Budameru and Tammileru streams; it is a natural flood balancing reservoir for the two deltas and an important wintering ground for pelicans and other water birds.