CBSE  /  Class 8  /  Science  /  Crop Production and Management

  • 1. 
    The process of loosening of the soil is called

  • tilling
  • harvesting
  • spraying
  • weeding

  • 2. 
    Which is pesticides?

  • 2, 4-dichlorophenoxyacetic acid
  • Malathion
  • Metolachlor
  • Chloroform

  • 3. 
    Seed drill is used for

  • harvesting
  • cleaning the seed
  • sowing
  • weeding

  • 4. 
    Rabi crop is harvested in

  • January
  • March
  • October
  • September

  • 5. 
    Maize grow well during

  • June
  • January
  • April
  • September

  • 6. 
    The agricultural instrument used for removal of weed is

  • sickle
  • khurpi
  • seed drill
  • plough

  • 7. 
    Transplantation of seedling is done in

  • coffee
  • cocoa
  • rice
  • mango

  • 8. 
    Compost is a

  • manure
  • fertiliser
  • pesticide
  • weedicide

  • 9. 
    BHC (Benzene hexachloride) is a

  • weedicide
  • fertiliser
  • fungicide
  • pesticides

  • 10. 
    The chemical substances rich in nutrients are called

  • fertiliser
  • weedicide
  • pesticides
  • herbicides
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