Hydrosphere MCQ Question and Answer | Geography MCQ Question

Niagara Falls are in U.S.A. Niagara Falls is a city on the Niagara River, in New York State. It’s known for the vast Niagara Falls, which straddle the Canadian border. In Niagara Falls State Park, the Observation Tower, at Prospect Point, juts out over Niagara Gorge for a view of all 3 waterfalls.

The largest reservoir of fresh water on Earth is in glaciers. Just under 3% of all of the water on Earth is freshwater. Of that 3%, three-quarters of it is frozen water in glaciers. There are glaciers at and near the North Pole and South Pole. Roughly 10% of Earth's surface is covered by freshwater glaciers.

The stagnated water in the surface of lake is known as Hypolimnion. Hypolimnion is the layer of water at lower level in a lake. It has cooler temperature as compared to above lying layers remaining relatively stagnant.

The Nile is considered the longest river in the world by length, stretching approximately 6,650 kilometers (4,130 miles). On the other hand, the Amazon is recognized as the largest river in terms of volume. This means that while the Nile holds the record for being the longest river when measured from its source to its mouth, the Amazon river surpasses all others in terms of the sheer amount of water it carries.

This distinction is important because it highlights different ways to define the "largest" river. Length is one aspect, which the Nile dominates, while volume is another, where the Amazon takes the lead. Both rivers play crucial roles in their respective regions, shaping landscapes, supporting ecosystems, and influencing the lives of people who rely on them.

Length of River given Below
1. Nile: Approximately 6,650 kilometers (4,130 miles)
2. Congo: Approximately 4,700 kilometers (2,920 miles)
3. Ganges: Approximately 2,525 kilometers (1,569 miles)
4. Amazon: Approximately 6,400 kilometers (3,976 miles)

Please note that these lengths are approximate and can vary slightly based on different sources and measurements.

The Caspian Sea, the largest inland sea or lake in the world, is located Partly in Europe and partly in Asia. The Caspian Sea is the Earth's largest inland body of water. It lies at the junction of Europe and Asia, with the Caucasus Mountains to the west and the steppes of Central Asia to the east.

Limpopo flows through Mozambique. After Zambezi,it is 2nd largest African river to fall in the Indian Ocean. The Limpopo River in Africa crosses the Tropic of Capricorn twice.The Tropic of Capricorn is located south of the Equator.

Congo is the 2nd largest river of Africa after Nile. It is also the World's deepest river with depth of upto 220m at some places. It flows through Zaire, hence called river Zairn. The Congo River crosses the equator twice, once in each direction.

Congo is the 2nd largest river of Africa after Nile. It is also the World's deepest river with depth of upto 220m at some places. It flows through Zaire, hence called river Zairn. The Congo River crosses the equator twice, once in each direction.

Coral reefs are formed by tiny colonial marine animals which construct limestone skeleton material. Massive reef structures are formed when each individual stony coral organism or polyp secretes a skeleton of calcium carbonate.

Bering Strait lies between Eastern Russia & Alaska (U.S.A). Bering Strait, Russian Proliv Beringa, strait linking the Arctic Ocean with the Bering Sea and separating the continents of Asia and North America at their closest point. The strait averages 98 to 164 feet (30 to 50 metres) in depth and at its narrowest is about 53 miles (85 km) wide.