Tag: external forces - responsible for changes

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Questions Related to external forces - responsible for changes

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

Soil conservation is the process where _____________.

  1. Sterile soil is converted to fertile soil

  2. Soil is aerated

  3. Soil erosion is allowed

  4. Soil is protected against loss
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Soil conservation is a method of protecting soil from getting eroded either by wind or by water.

  • Few soil conservation methods include:
  • Graduated terrace steps which are commonly used to farm on hilly or mountainous terrain. Terraced fields decrease both erosion and surface runoff.
  • Wind breaks: Row of trees or a fence, wall, or screen that provides shelter or protection of soil from the wind.
  • Conservation tillage is a method of preparing soil from getting eroded. This technique involves leaving the previous year crop residues until the next crop is planted.

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

The soil formed due to hydration is _______.

  1. Alluvial

  2. Yellow

  3. Laterite

  4. Red
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Red soil develops on crystalline igneous rocks in areas of low rainfall in the eastern and southern parts of the Deccan plateau. Yellow and red soils are also found in parts of Odisha, Chhattisgarh, southern parts of the middle Ganga plain and along the piedmont zone of the Western Ghats. These soils develop a reddish colour due to diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form.

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

Planting of trees on a large scale to check soil erosion is known as __________.

  1. Afforestation

  2. Reforestation

  3. Green belt

  4. Shelter belt
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Reforestation is the natural or intentional restocking of existing forests and woodlands that have been depleted, usually through deforestation. Reforestation activities promote the gradual depletion of CO2 from the atmosphere through absorption during photosynthesis.

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

Ploughing along the places of same elevation is known as _____.

  1. Terrace farming

  2. Strip cropping

  3. Contour ploughing

  4. Plantation farming
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ploughing along the contour lines can decelerate the flow of water down the slopes. This is called contour ploughing. Contours act like bunds. Terraces are levelled into step-like small fields with even slope.

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

To prevent the dust bowl catastrophe from ever happening again, the farmers must be taught well in the principles of  ____________.

  1. Water conservation

  2. Soil conservation

  3. Forest conservation

  4. Energy conservation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dustbowl catastrophe is nothing but the dust storm that greatly damaged the ecology of US and Canadian prairies. The main reason for this storm was the wind erosion. Hence to prevent such catastrophes people should be taught well to prevent soil erosion. 

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

The state which is a best example of gully erosion is _____.

  1. Uttar Pradesh

  2. Chattisgarh

  3. Maharashtra

  4. Madhya Pradesh
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The running water cuts through the clayey soils and makes deep channels known as gullies. The land becomes unfit for cultivation and is known as bad land. In the Chambal basin, such lands are called ravines. Chambal is in the state of Madhya Pradesh.

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

The factor which provides the maturity to the soil is the ___________.

  1. Parent rock

  2. Time

  3. Slope

  4. Vegetation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Natural vegetation reflects the combined effects of relief and climate. The formation and development of soil is very much influenced by the growth of vegetation. The decayed leaf material adds much needed humus to soil thereby increasing its fertility.

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

The land developed due to soil erosion is called as __________.

  1. Fallow land

  2. Bad land

  3. Waste land

  4. Culturable waste land
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The running water cuts through the clayey soils and makes deep channels as gullies. The land becomes unfit for cultivation and is known as bad land. In the Chambal basin such lands are called ravines.

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

Which soil is formed by weathering of the solidified lava?

  1. Red

  2. Laterite

  3. Alluvial

  4. Black
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Black soils are black in colour and are also known as regur soils. Black soil is ideal for growing cotton and is also known as black cotton soil. It is believed that climatic condition along with the parent rock material are the important factors for the formation of black soil. This type of soil is typical of the Deccan trap (Basalt) region spread over northwest Deccan plateau and is made up of lava flows. They cover the plateaus of Maharashtra, Saurashtra.