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.
21. The Thar desert is situated in which among the following countries?
- India
- Pakistan
- Afghanistan
Select the correct code from the options given below:
[A] Only 1
[B] Only 1 & 2
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 1 & 2]
Notes:
The Thar Desert is also known as The Great Indian Desert. It is a large arid region in the northwestern part of the Indian subcontinent that covers an area of 200,000 square kilometres. It forms a natural boundary between India and Pakistan. It is the world’s 17th largest desert.
22. What is the proportion of insolation that is reflected back by the surface called?
[A] Radiation
[B] Conduction
[C] Albedo
[D] Scattering
Show Answer
Correct Answer: C [Albedo]
Notes:
Albedo is the proportion of insolation that is reflected back by the surface. It depends upon the nature of the surface upon which the solar radiation is incident and the angle of incidence of the solar beam.
23. Which two nations constitute the “Darien Gap”?
[A] Colombia and Venezuela
[B] Brazil and Venezuela
[C] Colombia and Panama
[D] Costa Rica and Panama
Show Answer
Correct Answer: C [Colombia and Panama]
Notes:
Colombia and Panama constitute the Darien Gap. It is a break across North and South American continents within central America. The Colombian side of Darien Gap forms the delta of the Atrato River. This gap forms several watersheds, forest and mountains.
24. What is the boundary zone when two different type of air masses meet called?
[A] Cyclone
[B] Rift
[C] Front
[D] Cloud
Show Answer
Correct Answer: C [Front]
Notes:
The boundary zone when two different type of air masses meet is called a Front. The process of its formation is known as frontogenesis.
25. Which among the following is/are controlling factors in the magnitude of tides?
- Changes in position of the sun and moon in relation to the earth.
- Irregularities in the configuration of the oceans.
- The shape of bays and estuaries along a coastline
Select the correct code from the options given below:
[A] Only 1 & 2
[B] Only 1
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:
Factors Controlling the Nature and Magnitude of Tides:
The movement of the moon in relation to the earth.
Changes in position of the sun and moon in relation to the earth
Uneven distribution of water over the globe.
Irregularities in the configuration of the oceans.
The shape of bays and estuaries along a coastline, etc.
26. Which among the following is not a Pacific Ocean current?
[A] Benguela current
[B] Oyashio current
[C] California current
[D] Humbold current
Show Answer
Correct Answer: A [Benguela current]
Notes:
The Benguela current is a cold ocean current in the Atlantic Ocean.
Oyashio current (cold) California current (cold) and Humboldt current (cold) are ocean currents in the pacific ocean.
27. Which among the following statements is/are correct about the Tundra Biome?
- Tundra biome is the coldest of all the biomes.
- The arctic tundra is located in the northern hemisphere.
- The Alpine tundra is located on the mountain regions in the southern hemisphere of the world, there are at the high altitudes where trees cannot grow.
Select the correct code from the options given below:
[A] Only 3
[B] Only 1
[C] Only 1 & 2
[D] None of the above
Show Answer
Correct Answer: C [Only 1 & 2]
Notes:
Tundra biome is the coldest of all the biomes. It is among the harshest biome and they are found in the arctic region and on top of mountains where the climate is cold and windy and the rainfall is scanty. The arctic tundra is located in the northern hemisphere. The Alpine tundra is located on the mountain regions throughout the world, there are at the high altitudes where trees cannot grow.
28. Which is the largest tropical rainforest in the world?
[A] Amazon rainforest
[B] African rainforest
[C] Central American rainforest
[D] Australian rainforest
Show Answer
Correct Answer: A [Amazon rainforest]
Notes:
Rainforests only cover around 2 percent the total surface area of the Earth, but really about 50 percent of the plants and animals on the earth live in the rainforest. The Amazon Rainforest in South America is the largest tropical rainforest in the world.
29. Which theory says that there was a near-extinction event for early humans about 70,000 years ago?
[A] Toba catastrophe theory
[B] Turnover pulse hypothesis
[C] Red Queen hypothesis
[D] Aridity hypothesis
Show Answer
Correct Answer: A [Toba catastrophe theory]
Notes:
Evolution involves the gradual changes from simple to more complex forms. Humans are believed to have developed from simpler forms.
Toba catastrophe theory – The theory that there was a near-extinction event for early humans about 70,000 years ago.
30. Which tribe is culturally very close to the Pygmies?
[A] Aborigines
[B] Babinga
[C] Amerinds
[D] Arunta
Show Answer
Correct Answer: B [Babinga]
Notes:
A tribe is more of a cultural category than a social one.
Babinga – They are tribals inhabiting the forest regions of Ubangi river, north of the Congo in Africa. They are culturally very close to the Pygmies.