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. What is a large landform that rises fairly steeply above the surrounding land over a limited area called?
[A] Mountain
[B] Ridge
[C] Trench
[D] Valley
Show Answer
Correct Answer: A [Mountain]
Notes:
Mountain is a large landform which rises fairly steeply above the surrounding land over a limited area. It is generally steeper than the hill.
22. Which among the following statements is/are correct about Graben?
- It is a depressed block of the crust of a planet bordered by parallel faults.
- They occur side-by-side with Horsts.
Select the correct code from the options given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Tectonic landforms are landforms created by tectonic activity.
Graben is a depressed block of planetary crust bordered by parallel faults. Graben is a German word for ditch or trench. They occur side-by-side with Horsts.
23. Which among the following statements is correct about Panhole?
[A] It is a shallow depression or basin eroded into flat or gently sloping cohesive rock.
[B] It is a rock-wall with a smooth transition into a concavity at the foot zone
[C] It is a large dome-shaped, steep-sided, bald rock
[D] It is a small and gentle hill consisting of a bedrock core dotted with rounded residual blocks.
Show Answer
Correct Answer: A [It is a shallow depression or basin eroded into flat or gently sloping cohesive rock.]
Notes:
Panhole is a shallow depression or basin eroded into flat or gently sloping cohesive rock. Panholes are also called as armchair hollows, weathering pans, etc. They are well developed in granitic rocks and sandstone. They are commonly found in desert environments.
24. Which is the largest country in South America?
[A] Mexico
[B] Argentina
[C] Hungary
[D] Brazil
Show Answer
Correct Answer: D [Brazil]
Notes:
Brazil is the largest country in South America. Its capital is Brasilia. The official language is Portuguese. It is the fifth-largest country in the world by area with 8515767 sq.km. It is the sixth most populous country in the world. It borders all the countries of South America except Chile and Ecuador. Uruguay to the south; Argentina and Paraguay to the south-west; Bolivia and Peru to the west; Columbia to the north-west; Venezuela, Guyana and Suriname to the north of Brazil.
25. The Great Plains is located in which among the following countries?
[A] United States
[B] Russia
[C] China
[D] Germany
Show Answer
Correct Answer: A [United States]
Notes:
The Great Plains is located in United States and Canada. It lies west of the Mississippi River and east of the Rocky Mountains in the U.S. and Canada. The Great Plains is famous for extensive cattle ranching and dry farming. The Canadian portion of the Plains is known as the Canadian Prairies.
26. Which among the following is involved in the Orographic Precipitation?
[A] Convectional cell which is an updraft of warmer air seeking higher altitude
[B] Air is forced to rise upwards by the landform features.
[C] Moist air is made to rise by a cyclonic pressure system.
[D] Front or boundary line is formed between two air masses of contrasting temperature
Show Answer
Correct Answer: B [Air is forced to rise upwards by the landform features.]
Notes:
Orographic rainfall occurs when the saturated air mass comes across a mountain and is forced to rise. The principal characteristic of this type of rainfall. The region situated on the leeward side is known as the rain-shadow area.
27. The classification of air masses is based on which among the following factors?
- Revolution of the Earth
- Humidity
- Temperature
Select the correct code from the options given below:
[A] Only 1
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: C [Only 2 & 3]
Notes:
The Air masses are classified on the basis of temperature and Humidity characteristics of their source region. Revolution of the Earth is not the factor on which the air masses are classified.
28. Which among the following region is not associated with polar air masses?
[A] Northern Canada
[B] Sahara Desert
[C] Arctic Ocean
[D] Southern Ocean
Show Answer
Correct Answer: B [Sahara Desert ]
Notes:
A cold air mass is one which is colder than the underlying surface and is associated with instability and atmospheric turbulence.
Cold source regions or polar air masses include:
Arctic Ocean
Siberia
Northern Canada
Southern Ocean
Sahara Desert is associated with warm air mass.
29. Which among the following statements is/are correct about Fronts?
- Frontogenesis involves convergence of two distinct air masses.
- Frontolysis involves overriding of one of the air mass by another.
- In northern hemisphere Frontogenesis happens in clockwise direction and in southern hemisphere, anti-clockwise direction.
Select the correct code from the options given below:
[A] Only 1
[B] Only 1 & 2
[C] 1, 2 & 3
[D] None of the above
Show Answer
Correct Answer: B [Only 1 & 2]
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.
Frontogenesis involves convergence of two distinct air masses.
Frontolysis involves overriding of one of the air mass by another.
In northern hemisphere Frontogenesis happens in anti-clockwise direction and in southern hemisphere, clockwise direction.
30. Which among the following statements is/are correct about Oozes?
- These are terrigenous deposits.
- They are made of shelly & skeletal remains of marine micro-organisms with calcareous or siliceous parts
Select the correct code from the options given below:
[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2
Show Answer
Correct Answer: B [Only 2]
Notes:
Oozes : These are pelagic deposits as they are derived from the oceans. They are made of shelly & skeletal remains of marine micro-organisms with calcareous or siliceous parts.
Terrigenous deposits are derived from land.