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. Uranus takes how much time to revolve around Sun?
[A] 36 years
[B] 56 years
[C] 76 years
[D] 84 years
Show Answer
Correct Answer: D [84 years]
Notes:
Uranus takes about 84 yearn to revolve around the sun. It has third largest planetary radius. Uranus has the 4th largest mass.
2. Amazon river is the largest river in the world by volume and has the largest drainage basin in the world. This accounts for approximately what fraction of the world’s total river flow?
[A] 10%
[B] 20%
[C] 30%
[D] 40%
Show Answer
Correct Answer: B [20%]
Notes:
Amazon river is the largest river in the world by volume and has the largest drainage basin in the world. This accounts for approximately 20% of the world’s total river flow. The Amazon River flows in South America.
3. Petrology is a branch of science which is related to the study of which of the following ?
[A] Oil & Gas
[B] Rocks & Minerals
[C] Fossils
[D] Soils
Show Answer
Correct Answer: B [Rocks & Minerals]
Notes:
Petrology is the branch of geology that studies rocks and the conditions under which they are formed. It is further divided into igneous, metamorphic, and sedimentary petrology.
4. Which of the following is the largest archipelagic country in the world?
[A] Germany
[B] Indonesia
[C] Japan
[D] Philippines
Show Answer
Correct Answer: B [Indonesia]
Notes:
Indonesia is the largest archipelagic country in the world, extending 5,120 kilometres (3,181 mi) from east to west and 1,760 kilometres (1,094 mi) from north to south. According to a geospatial survey conducted between 2007 and 2010 by the National Mapping Agency, Indonesia has 13,466 islands, scattered over both sides of the equator, and with about 6,000 of them are inhabited.
5. What does ‘Roaring Forties’ refer to? (UPSC Prelims 1984)
[A] The tract of stormy westerly winds between latitudes 20-30°S
[B] Whirl winds caused in Atlantic Ocean
[C] The region between latitudes 40° and 50°S, where the prevailing westerly winds blow over the open oceans with great regularity and strength
[D] None of these
Show Answer
Correct Answer: C [The region between latitudes 40° and 50°S, where the prevailing westerly winds blow over the open oceans with great regularity and strength]
Notes:
The Roaring Forties are strong westerly winds found in the Southern Hemisphere, generally between the latitudes of 40 and 50 degrees. The strong west-to-east air currents are caused by the combination of air being displaced from the Equator towards the South Pole, the Earth’s rotation, and the scarcity of landmasses to serve as windbreaks.
6. Through which one of the following groups of countries does the Equator pass? (UPSC Prelims 2006)
[A] Brazil, Zambia and Malaysia
[B] Columbia, Kenya and Indonesia
[C] Brazil, Sudan and Malaysia
[D] Venezuela, Ethiopia and Indonesia
Show Answer
Correct Answer: B [Columbia, Kenya and Indonesia]
Notes:
The equator passes through 13 countries: Ecuador, Colombia, Brazil, Sao Tome & Principe, Gabon, Republic of the Congo, Democratic Republic of the Congo, Uganda, Kenya, Somalia, Maldives, Indonesia and Kiribati.
7. Which is the largest constellation in the sky?
[A] Virgo
[B] Ursa Major
[C] Ophiuchus
[D] Hydra
Show Answer
Correct Answer: D [Hydra ]
Notes:
There are 88 standard constellations. Among them, hydra is the largest. Followed by Virgo and Ursa Major.
8. What is the bubble like region in the interstellar medium known as ?
[A] Chromosphere
[B] Heliosphere
[C] Photosphere
[D] Corona
Show Answer
Correct Answer: B [Heliosphere ]
Notes:
The heliosphere is the bubble like region of the space, within which plasma is blown outwards from the sun.
9. Which layer of the earth constitutes the D” Layer?
[A] Uppermost mantle
[B] Lowermost mantle
[C] Uppermost crust
[D] Lowermost core
Show Answer
Correct Answer: B [Lowermost mantle]
Notes:
The lowermost portion of the mantle is called the D” (D-double-prime) layer. The average thickness of this layer is approximately 200 kms.
10. At which plate boundaries do mountains occur?
[A] Convergent
[B] Divergent
[C] Transform
[D] None of the above
Show Answer
Correct Answer: A [Convergent ]
Notes:
Convergent plate boundaries are boundaries where plates collide. Mountains, earthquakes, volcanoes form where plates collide.
