New Species of Plants and Animals Discovered

Indian plant seed could bring clean water to millions



Mains Paper 3: Environment | Conservation, environmental pollution and degradation, environmental impact assessment

From UPSC perspective, the following things are important:

Prelims level: Moringa oleifera plant, F-sand

Mains level: Innovative methods to deal with water pollution

Plant to purify water

  1. Proteins from the Moringa oleifera plant can help effectively purify water in developing nations at a low cost
  2. The plant – commonly known as the drumstick tree – is cultivated for food and natural oils, and the seeds are already used for a type of rudimentary water purification
  3. The Moringa oleifera plant tree is native to India and grows well in tropical and subtropical climates


  1. Sand and plant materials have been to create a cheap and effective water filtration medium, termed “f-sand”
  2. F-sand was created by extracting the seed proteins from the Moringa oleifera plant, and adhering them to the surface of silica particles, the principal component of sand
  3. It kills microorganisms and reduces turbidity, adhering to particulate and organic matter
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