World & Physical Geography MCQs

Notes:
Geography as a discipline attempts spatial synthesis. Spatial synthesis includes any of the formal techniques which study entities using their topological, geometric, or geographic properties. Temporal Synthesis can be described as ‘automated construction’ of a system whereby we develop a temporary specification and then try to prove it. For example history attempts temporal synthesis.

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Following the sun, Alpha Centauri is the closest star to Earth, located approximately 4.367 light years away. It’s a star system consisting of three stars: Alpha Centauri A, Alpha Centauri B, and Proxima Centauri.

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Outermost layer of the earth- crust is also known as Sial because major constituent elements of crust are silica (Si) and Aluminium (Al). Mantle is also known as Sima because major constituent elements of mantle are magnesium and silicon. Innermost layer of the earth- core is also known as Nife because core is mainly composed of the iron (fe) and nickel (Ni).

Notes:
The Geysers Geothermal Complex is located in the United States, north of San Francisco in California. It is the world’s largest geothermal power plant, with a capacity of 1,517 megawatts. The Geysers is made up of 22 power plants spread over several kilometers.
The Geysers has been producing electricity since 1960. Geothermal power plants are a renewable source of energy that can provide clean and reliable electricity with a low environmental impact. They are also relatively inexpensive to operate and maintain.
Geothermal resources are most accessible in the western states, from Colorado and New Mexico up to Utah, Nevada, Idaho and Oregon.

Notes:
The orbital speed of the Earth around the Sun averages about 30 km/s (108,000 km/h), which is fast enough to cover the planet’s diameter (about 12,700 km) in seven minutes, and the distance to the Moon of 384,000 km in four hours

Notes:
Broad lower course of a river that is encroached on by the sea and affected by the tides is also known as Estuary. An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.

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Pamir knot is called the roof of the world because they are at high altitude. The Pamir Mountains are a mountain range in Central Asia formed by the junction of the Himalayas with Tian Shan, Karakoram, Kunlun, and Hindu Kush ranges.

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The northernmost range is called the Great Himalayas and is also the oldest of all the ranges of Himalayas. The Great Himalayan range is made up of erosion material from the rising Himalaya. Running parallel to this is the Lower Himalayan Range, which has an elevation between 2,000–5,000 m.

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Cauvery rivers thrice forks into two streams and reunites a few miles farther on, thus forming the islands of Srirangapatanam, Sivasamudram and Srirangam.

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Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. Mount St. Helens is 34 miles (55 km) west of Mount Adams, in the western part of the Cascade Range. These “sister and brother” volcanic mountains are approximately 50 miles (80 km) from Mount Rainier, the highest of Cascade volcanoes.