Management of Alkali Soil MCQ

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• Reclamation of alkaline soils can be done by adding aluminium sulfate.
  ক

  True

  খ

  False
• Which of the following vegetable doesn’t grow in alkaline soils?
  ক

  Arugula

  খ

  Asparagus

  গ

  Beet

  ঘ

  Pumpkins
• Which of the following plants can grow in a pH range of 5-5.5?
  ক

  Rhododendrons

  খ

  Cactus

  গ

  Tagetes

  ঘ

  China rose
• What would be the effect on plants if the soil’s pH increases?
  ক

  Nutrient absorption is reduced

  খ

  Nutrient absorption increases

  গ

  Soil contamination

  ঘ

  Soil fertility increases
• In alkaline soils, the salinity is reduced.
  ক

  True

  খ

  False
• Planting coffee plants near the soil would make the soil more alkaline.
  ক

  True

  খ

  False
• What does compost do to the alkaline soil?
  ক

  Wash away salts and chemicals

  খ

  Increase the pH

  গ

  Leads to the death of microorganisms

  ঘ

  Leads to soil contamination
• Which of the following methods can be used to reduce the soil alkalinity?
  ক

  Increase the acid content

  খ

  Anthropogenic contamination

  গ

  Increasing dissolved oxygen

  ঘ

  Mobilization of brines
• In dry regions, the primary cause of soil alkalinity is due to calcium carbonate-rich parent material weathering.
  ক

  True

  খ

  False
• Irrigation water which turns alkaline does not affect the soil pH.
  ক

  True

  খ

  False
• Which of the following product is not used to reduce the soil alkalinity?
  ক

  Sphagnum peat

  খ

  Elemental sulfur

  গ

  Organic mulches

  ঘ

  Baking powder
• Over-limimg acidic soil leads to the alkalinity of the soil.
  ক

  True

  খ

  False