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MCQ 12.Mineral Nutrition / अध्याय : खनिज पोषण

MCQ Test

  • Q:1

    Plant ash indicates

  • A
    Toxicity of the plants
  • B
    Silica absorbed by plants
  • C
    Organic matter of plant
  • D
    Mineral salts absorbed by plants
  • Q:2

    Macronutrients are elements present in plant tissues

  • A
    In small amounts
  • B
    In large amounts
  • C
    In trace amounts
  • D
    None of the above
  • Q:3

    NPK denotes

  • A
    Nitrogen, Potassium and Protein
  • B
    Nitrogen, Phosphorous and Potassium.
  • C
    Nitrogen, Protein and Kinetin.
  • D
    Nitrogen, Potassium and Kinetin.
  • Q:4

    The another name of essential micronutrients is

  • A
    Trace elements
  • B
    Organic nutrients
  • C
    Tracer elements
  • D
    Radioisotopes
  • Q:5

    An essential element derived from soil only is called

  • A
    Macroelement
  • B
    Mineral element
  • C
    Macronutrient
  • D
    Micronutrient
  • Q:6

    …………..are the most abundant elements in the living cells.

  • A
    C, H, O and N.
  • B
    C, P, O and Ca.
  • C
    C, O, N and P.
  • D
    C, O, Mg and N.
  • Q:7

    Minerals are absorbed by the roots from the soil in the form of

  • A
    In the form of ions.
  • B
    In the form of molecules.
  • C
    Very concentrated solution.
  • D
    Very dilute solution.
  • Q:8

    Tea yellow, a disease of tea plants is caused due to the deficiency of

  • A
    Nitrogen
  • B
    Phosphorus
  • C
    Sulphur
  • D
    Potassium
  • Q:9

    The concentration of various mineral solutes is found to be several times higher in plant tissues than in the external solution. This phenomenon is known as

  • A
    Saturation effect
  • B
    Salt accumulation
  • C
    State of equilibrium
  • D
    Simultaneous effect
  • Q:10

    Phosphorous and nitrogen ions generally get depleted in soil because they usually occur as

  • A
    Neutral ions
  • B
    Positively charged ions
  • C
    Negatively charged ions
  • D
    Normal ions