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61
What process takes place during the youthful stage of a river?
Discuss
Answer & Solution
Answer: Option C
Solution:
During the youthful stage river cuts vertically and leads to headward erosion because of its high velocity. This leads to valley deepening. Hence, we find many V-shaped valleys at the initial course of river. It has very less or no time for lateral erosion.
62
Which of the following is an organic rock?
Discuss
Answer & Solution
Answer: Option B
Solution:
Coal is an organic sedimentary rock that forms mainly from plant debris. The plant debris usually accumulates in a swamp environment. Coal is combustible and is often mined for use as a fuel.
63
Continents have drifted apart because of ________
Discuss
Answer & Solution
Answer: Option B
Solution:
Continents have drifted apart because of tectonic activities. The continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.
64
The capacity of rock to allow water to pass through it is called
Discuss
Answer & Solution
Answer: Option D
Solution:
The capacity to transmit water is called "permeability". The ideal rock material for the accumulation of groundwater is both porous and permeable. This kind of material is known as an "aquifer" from the Latin for "waterbearing."
65
Earthquakes occur frequently in ________
Discuss
Answer & Solution
Answer: Option D
Solution:
Earthquakes occur frequently in eastern coast of Asia, islands of south east Pacific Ocean and western coast of America.
66
Colorado in U.S.A is famous for this landform ________
Discuss
Answer & Solution
Answer: Option A
Solution:
Colorado in U.S.A is famous for Grand Canyon. Deep, incised river gorges are common in the Colorado Plateau. Most famous of all is the Grand Canyon, one of the largest and most well-known in the world.
67
Earthquakes rarely occur in ________
Discuss
Answer & Solution
Answer: Option B
Solution:
Earthquakes are natural geological phenomena that can occur in various parts of the world, but their frequency and intensity can vary significantly from one region to another. Let's consider the options:

Option A: Alaska is located in a seismically active region known as the "Ring of Fire." Earthquakes are relatively common in Alaska, particularly in the southern part of the state.

Option B: Brazil is not known for frequent earthquakes. Brazil is located in the interior of the South American tectonic plate, which is not a boundary where earthquakes are typically generated.

Option C: Mexico is located on the boundary between the North American and Pacific tectonic plates, making it seismically active. Earthquakes are relatively common in Mexico.

Option D: New Zealand is also located in the "Ring of Fire" and is known for its seismic activity. Earthquakes are not rare in New Zealand.

Given the options and the fact that earthquakes are relatively rare in one of the listed countries, the most appropriate answer is Option B: Brazil. Brazil is not typically associated with a high frequency of earthquakes compared to the other options.
68
Which one among the following is the largest temperate desert of the world?
Discuss
Answer & Solution
Answer: Option A
Solution:
Patagonian desert is the largest temperate desert of the world. The Patagonian Desert is the largest desert in Argentina and is the 4th largest desert in the world by area. It is located primarily in Argentina with small parts in Chile and is bounded by the Andes, to its west, and the Atlantic Ocean to its east, in the region of Patagonia, southern Argentina.
69
The mountain which separates Asia and Europe is?
Discuss
Answer & Solution
Answer: Option C
Solution:
The Ural Mountain range which runs from north to south acts as a dividing range between Asia and Europe. The Mount Narodnaya with an height of about 1,895m is the highest peak of Ural Mountains
70
In which type of topography, water recharge pores are found?
Discuss
Answer & Solution
Answer: Option A
Solution:
A Karst Topography is a landform made of limestone rocks. When river flowsover sedimentary bed rocks they dissolve the rocks vertically and disappear underground developing such landforms in the limestone region. The cracks developed by this process leads to water recharge.