Landforms and their Evolution Geography - Landforms and their Evolution

Multiple choice question:
A deep, long and wide trough or basin with very steep concave high walls at its head as well as in sides is known as:

1. Cirque.
2. Glacial valley.
3. Lateral Moraine.
4. Esker.

Multiple choice question:
In which one of the following regions the chemical weathering process is more dominant than the mechanical process?

1. Humid region.
2. Limestone region.
3. Arid region.
4. Glacier region.

Multiple choice question:
A deep valley characterised by steep step-like side slopes is known as:

1. U-shaped valley.
2. Gorge.
3. Blind valley.
4. Canyon.

Multiple choice question:
Which one of the following sentences best defines the term ‘Lapies’?

1. A small to medium sized shallow depression.
2. A landform whose opening is more or less circular at the top and funnel shaped towards bottom.
3. A landform formed due to dripping water from surface.
4. An irregular surface with sharp pinnacles, grooves and ridges.

Multiple choice question:
In which of the following stages of landform development, downward cutting is dominated?

1. Youth stage.
2. Late mature stage.
3. Early mature stage.
4. Old stage.

Answer the following question in about 30 words.
Explain the evolution of valley sinks or uvalas.

Answer the following question in about 30 words.
Underground flow of water is more common than surface run-off in limestone areas. Why?

Answer the following question in about 30 words.
What do incised meanders in rocks and meanders in plains of alluvium indicate?

Answer the following question in about 30 words.
How does wind perform its task in desert areas? Is it the only agent responsible for the erosional features in the deserts?

Answer the following question in about 30 words.
Glacial valleys show up many linear depositional forms. Give their locations and names.

Answer the following question in about 150 words.
Limestones behave differently in humid and arid climates. Why? What is the dominant and almost exclusive geomorphic process in limestone areas and what are its results?

Answer the following question in about 150 words.
How do glaciers accomplish the work of reducing high mountains into low hills and plains?

Answer the following question in about 150 words.
Running water is by far the most dominating geomorphic agent in shaping the earth's surface in humid as well as in arid climates. Explain.