Which one of the following is $NOT$ an essential mineral element for plants?

  • A
    Potassium
  • B
    Iron
  • C
    Iodine
  • D
    Zinc

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Similar Questions

Which of the following is $NOT$ a criterion for the essentiality of a mineral element?

Identify the elements which function as components of biomolecules.
$I.$ Hydrogen
$II.$ Magnesium
$III.$ Oxygen
$IV.$ Nitrogen

Which is not a criteria for essentiality of a mineral?

Which of the following elements has not been proven to be essential in plants?

Micro-nutrients are

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