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Class 6
Science :- Garbage In, Garbage Out - Part-1

The crop residue after harvesting of crops in the fields is known as?

  • Air pollution


  • Stubble
  • Seeding
  • Fermentation
  • Wastes which rots and gets consumed in the soil by natural processes is known as?


  • Artificial wastes
  • Non biodegradable
  • Synthetic wastes
  • Biodegradable
  • The technique in which microorganisms found in the soil is used to decompose biodegradable wastes is known as?

  • Composting
  • Fermentation
  • Harvesting
  • None 
  • Biodegradable waste is the food of?

  • Moth
  • Silkworm
  • Red earthworm
  • Ant