• 1.  Black soil is also called:

  • Bangar
  • Khadar
  • Regur
  • Humus
  • 2.  Black soils are common in:

  • Deccan trap region
  • Kashmir Valley
  • Ganga Valley
  • Northern Plains
  • 3.  Laterite soil is very useful for growing:

  • Rice, wheat and mustard
  • Tea, coffee and cashewnut
  • Pulses, sugarcane and resin
  • None of the above
  • 4.  Black soil is deficient in

  • Calcium carbonate
  • Magnesium
  • Potash
  • Phosphoric contents
  • 5.  Which of the following soils has self-aeration capacity?

  • Alluvial
  • Red soil
  • Black soil
  • Mountain soil
  • 6.  Ploughing along the contour lines to decelerate the flow of water down the slopes is called:

  • Strip cropping
  • Sheet erosion
  • Contour ploughing
  • Terrace cultivation
  • 7.  Which of the following is not a measure for soil conservation?

  • Strip cropping
  • Terrace cultivation
  • Shelter belts
  • Overdrawing of ground water
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