Tag: external forces - responsible for changes

Questions Related to external forces - responsible for changes

Match the following.

A. Chernozems $1$. Rich in calcium carbonate
B. Black soil $2$. Contains aluminium compound
C. Laterite $3$. Richest soils in the world
D. Terra Rosa $4$. Formed in limestone
E. Alluvial soil $5$. It is a mixture of clay, sand and silt
geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. A-$1$, B-$2$, C-$3$, D-$4$, E-$5$

  2. A-$3$, B-$1$, C-$2$, D-$4$, E-$5$

  3. A-$4$, B-$5$, C-$3$, D-$1$, E-$2$

  4. A-$3$, B-$4$, C-$5$, D-$2$, E-$1$

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Correct Option: B

Soil can be conserved in a best on the hills by which of the cultivating methods?

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Strip cropping

  2. Crop rotation

  3. Contour ploughing

  4. Terracing

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Correct Option: C
Explanation:

Ploughing along the contour lines can decelerate the flow of water down the slopes. This is called contour ploughing. This is the best method to reduce the soil erosion in the hilly areas.

On the basis of the process of their formation, which of the following soils is formed differently from the other three?

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Khadar

  2. Bangar

  3. Bhabar

  4. Regur

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Correct Option: D

In which of the following ways can soil be conserved?
$1$. Contour ploughing
$2$. Terracing
$3$. Shifting cultivation
$4$. Crop rotation.

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. I, II and IV

  2. II, III and IV

  3. II and IV

  4. I and III

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Correct Option: A

Which of the weathering agents is almost peculiar to the Indian Himalayas?

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Wind

  2. Glaciers

  3. Snowfall

  4. Running water

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Correct Option: B
Explanation:

A glacier erodes through a process called ‘plucking’ in which it lifts pieces of rock and transports them. These pieces of rock and the moving ice together act like a sandpaper on the surface of the rock over which they flow. In the Himalayan region, the glacier is the major weathering agent.

Which one of the following types of erosion is responsible for the formation of Chambal Ravines?

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Splash

  2. Sheet

  3. Rill

  4. Gully

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Correct Option: D

Which of the following statement is incorrect?

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Red soils are rich in iron

  2. Black soils are rich in phosphorus nitrogen and organic matter

  3. Alluvial soils are rich in potash but poor in phosphorus

  4. Red soils are suitable for cultivation of pulses and coarse grains

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Correct Option: B
Explanation:

Black soils are rich in soil nutrients, such as calcium carbonate, magnesium, potash and lime. These soils are generally poor in phosphoric contents.

"Mulching" is the term used for the process of

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc.

  2. Breaking down big pieces of soil into small ones

  3. Transplanting of paddy seedlings

  4. Nitrogen fixation of soil by use of fertilizers

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Correct Option: A
Explanation:

Mulching is the process of covering the topsoil with plant material such as leaves, grass, twigs, crop residues, straw etc. it helps in soil conservation.

The principal cause of soil damage in Punjab and Haryana is ______.

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Deforestation

  2. Soil erosion

  3. Excessive cultivation

  4. over irrigation

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Correct Option: D

Which of the following States has the most critical problem of erosion of its coastal areas by the sea?

geography external forces - responsible for changes the soil soil erosion (geo) soil erosion, soil conservation and uses of soil

  1. Kerala

  2. Andhra Pradesh

  3. West Bengal

  4. Tamil Nadu

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Correct Option: A