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Soil Erosion and Alluvial Soil Quiz

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Questions and Answers

Why is Khadar more fertile than Bhangar in the context of alluvial soil?

Bhangar has a higher clay content

Bhangar has a higher water retention capacity

Khadar soil has more organic matter (correct)

Khadar has a higher sand content

How does running water erode soil?

By reducing erosion rate

By washing away the topsoil layer (correct)

By depositing more soil

By increasing soil fertility

Why is red soil ideal for dry farming?

Red soil is well-drained (correct)

Red soil has high organic matter content

Red soil retains more water

Red soil is low in nutrients

How is alluvial soil formed?

By deposition of sediments by rivers Signup and view all the answers

Why is laterite soil red in color?

Due to high iron oxide content Signup and view all the answers

In-situ soil is also known as ______.

unmoved soil Signup and view all the answers

Leaching refers to the process of nutrient ______ in the soil.

loss Signup and view all the answers

Soil erosion by running water occurs when the water carries away ______ from the land.

topsoil Signup and view all the answers

One measure to conserve soil in hilly areas is the construction of ______ to slow down water flow.

terraces Signup and view all the answers

Alluvial soil is formed by the ______ of sediments carried by rivers.

deposition Signup and view all the answers