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  • Whicih of the following is not inorganic insecticides?

    DDT
    BHC
    lead arsenate
    Parathion
  • which of them is organic fertilizer?

    Phosphorous fertilizer
    Nitrogen fertilizers
    Compost Manure
    Potassium fertilizers
  • Those fertilizers which are obtained from the living source are known as  ______.

    none of above
    Organic fertilizers
    Chemical fertilizers
    Nitrogen fertilizers
  • All those substances which are rich in nutrients for plants and that are added in soil to enhance the fertility of soil are called ______.

    insecticides
    rodenticides
    herbicides
    fertilizers
  • Ammonium nitrate is a ______.

    organic fertilizer
    phosphorous fertilizer
    nitrogeneous fertilizer
    potassiu fertilizer
  • An organic substance obtained from the decomposition of animal remains, poultry droppings and dead plants is called ______.

    manure
    nitrogeneous fertilizer
    pesticides
    mixed fertilizer
  • The complete fertilizers are also called ______.

    RNK fertilizers
    NNK fertilizers
    KNK fertilizers
    NPK fertilizers
  • Fertilizers which contain all the three nutrients i.e. nitrogen, phosporus and potassium as primary plant nutrients are called ______.

    mixed fertilizers
    complete fertilizers
    single fertilizers
    incomplete fertilizers
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