Tag: soil erosion and conservation

Questions Related to soil erosion and conservation

The crop which grows in alluvial soil and needs 150 cm rainfall is

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. Wheat

  2. Rice

  3. Groundnut

  4. Sugarcane

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Correct Option: B

Heavy rainfall affects soil by

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. Increasing its acidity

  2. Increasing its alkalinity

  3. Reducing its fertility

  4. None of these

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Correct Option: C

Consider the following statements:
1) Contour ploughing prevents soil erosion and the formation of gullies.
2) Gully erosion is the removal of top soil and creation of many steep-sided cuttings in hillside.
Which of the statements given above is/are correct?

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2

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Correct Option: C

As organic matter decomposes, it releases nutrients and organic acids. These acids known as _______ attack clays and rock, releasing iron and aluminium.

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. humification agents

  2. chelating agents

  3. leaching agents

  4. reducers

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Correct Option: B

The CSCS, approved and adopted in 1960, is known as the _______ approximation.

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. fifth

  2. sixth

  3. seventh

  4. accurate

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Correct Option: C

Identify the wrong statement.

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. Terra Rossa is a soil typical of Mediterranean scrub biome

  2. Science of soils is called Pedology

  3. Stream is the most important agent of soil erosion

  4. The term edaphic refers to soils

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Correct Option: C

'Frost Hollows' is/are related to _______.

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. form of precipitation

  2. temperature inversion

  3. a type of cloud

  4. None of the above

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Correct Option: B

Which of the following measures are effective for soil conservation in India?
1. Avoiding crop rotation
2. Afforestation
3. Encouraging the use of chemical fertilizers
4. Limiting shifting cultivation
Select the correct answer from the codes given below.

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. 1 and 2

  2. 2 and 4

  3. 3 and 4

  4. 1, 2 and 3

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Correct Option: B

Which one of the following factors is responsible for excessive soil erosion in Chhotanagpur plateau?

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. Heavy rain throughout the year

  2. Loose sandy soil

  3. Deep ploughing by tractors

  4. Large scale felting of trees

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Correct Option: D

Which one of the following is the main reason for the loss of the top soil in India?

general knowledge the soil soil erosion (geo) soil erosion, soil conservation and uses of soil soil erosion and conservation

  1. Wind erosion`

  2. Excessive leaching

  3. Water erosion

  4. None of the above

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Correct Option: C