World & Physical Geography MCQs
World Geography Multiple Choice Questions (MCQs) Quiz for State and UPSC Civil Services Examinations. Objective Questions on Physical Geography and World Geography for competitive examinations.
1. El-Nino gets established in which of the following oceans?
[A] Indian Ocean
[B] Pacific ocean
[C] Atlantic Ocean
[D] Arctic Ocean
Show Answer
Correct Answer: B [Pacific ocean]
Notes:
El-Nino is the climatic cycle in the pacific ocean. This impacts climate of the entire globe. The cycle begins when warm water in the western tropical Pacific Ocean shifts eastward along the equator toward the coast of South America.
2. About 90% of the world’s earthquakes and 80% of the world’s largest earthquakes occur along the Ring of Fire. In which sea this Ring of Fire lies ?
[A] Himalayan Area
[B] Atlantic Ocean
[C] Pacific Ocean
[D] Mediterranean Area
Show Answer
Correct Answer: C [Pacific Ocean]
Notes:
Ring of Fire is a 40,000 km horseshoe shape in Pacific Ocean basin associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements.
3. Which among the following rivers in the world is known for maximum average discharge?
[A] Nile
[B] Amazon
[C] Congo
[D] Ganges
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Correct Answer: B [Amazon]
Notes:
Amazon is the largest river in the world. It is located in South America. It has the largest average discharge in the world.
4. Which of the following is present in the largest amount in terms of percent by mass in the Earth’s Crust?
[A] Hydrogen
[B] Oxygen
[C] Silicon
[D] Calcium
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Correct Answer: B [Oxygen]
Notes:
Oxygen is most abundant element in the Earth’s crust, making up 46% of mass. Oxygen is a highly reactive element that combines with other elements and thus forming various oxides.
5. The “Ninety East Ridge” is a submarine volcanic ridge located in __?
[A] Pacific Ocean
[B] Atlantic Ocean
[C] Indian Ocean
[D] Arctic Ocean
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Correct Answer: C [Indian Ocean]
Notes:
The Ninety East Ridge is an 5500 km long, north-south-oriented, submarine volcanic ridge in the eastern Indian Ocean that formed from magmatism associated with the deep seated Kerguelen mantle plume as the Indian plate drifted rapidly northward during the Late Cretaceous.
6. United States and parts of Northern America are frequently hit by record snowfalls accompanied with blizzard and hurricane-force winds during winters. Which of the following is most probably responsible for the same?
[A] Polar Vortex
[B] La-Nina
[C] El-Nino
[D] Pacific Decadal Oscillation
Show Answer
Correct Answer: A [Polar Vortex]
Notes:
Polar Vortex is a whirling cold winds present at both North Pole and South Pole.
It results because of the increased temperature difference between the dark, frigid Arctic and the warm tropics. There are two vortices, one in the layer of the upper atmosphere known as the stratosphere and one in the lower section, where our weather happens, called the troposphere. These two features interact with each other and can affect the meteorological goings-on outside of the Arctic.
7. Which of the following is known as the ‘Roof of the World’?
[A] Indira Col
[B] Pamir Knot
[C] Kanchenjunga
[D] Indira Point
Show Answer
Correct Answer: B [Pamir Knot]
Notes:
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.
8. In which one of the following oceans is Diamantina Trench situated? (UPSC Prelims 2006)
[A] Pacific Ocean
[B] Atlantic Ocean
[C] Indian Ocean
[D] Arctic Ocean
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Correct Answer: C [Indian Ocean]
Notes:
The Diamantina Trench is a deep sea trench in the South East Indian Basin. With a maximum depth of 8,047 meters, it is the deepest trench of the Indian Ocean, deeper than the better-known Java Trench.
9. Which is the largest bay in the world in terms of area?
[A] Hudson Bay
[B] Bay of Bengal
[C] Manila Bay
[D] Galveston Bay
Show Answer
Correct Answer: B [Bay of Bengal]
Notes:
The Bay of Bengal is the largest bay in the world in the terms of area. It is in the northeastern part of the Indian Ocean. It encompasses an area of 2,172,000 square km, making it the largest water body called a bay in the world.
10. Congo Canyon is found in which continent?
[A] Australia
[B] Asia
[C] Africa
[D] North America
Show Answer
Correct Answer: C [Africa]
Notes:
Congo Canyon is found in the continent of Africa. It is one of the largest submarine canyons in the world. It is located at the end of the Congo River. Also, in this canyon, strongest turbidity currents have been found.
