Leadership

Biology

Eight Standard

Test your understanding of this lesson Crop protection:-

1)
Unwanted plants grow along with crops are known as
  • Herbs
  • Shrubs
  • Weeds
  • Trees
2)
Weeds generally compete with the crops for
  • Food
  • Light
  • Water
  • All the above
3)
Pests are responsible for
  • Reduced crop production
  • Feed on crops
  • Damage crops
  • All the above
4)
Chemicals used to control fungus are broadly known as
  • Insecticides
  • Fungicides
  • Weedicides
  • Rodenticides
5)
Biological control involves the process of controlling pests by
  • Using natural enemies
  • Using biological equipments
  • Using chemical pesticides
  • None of the above
Hand draw

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