Which is not a true statement regarding macronutrients?

  • A
    Forms plant structure
  • B
    Usually become toxic in excess
  • C
    No role in electron transfer
  • D
    Develop osmotic potential

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Similar Questions

Explain the importance of the $Cl^-$ ion as an anion in plants.

Potassium is required by which of the following regions of plants?
$I.$ Meristematic tissues
$II.$ Buds
$III.$ Leaves
$IV.$ Root tips

$S$ - Statement: Sulfur is present in the structure of cysteine and methionine amino acids.
$R$ - Reason: Phosphorus does not participate in energy exchange processes.

Mark the statements as true/false by choosing the correct option from the set $(I-IV)$ given below:
$I.$ Magnesium is a constituent of chlorophyll and helps to maintain the ribosome structure.
$II.$ Calcium is needed during the formation of mitotic spindle.
$III.$ Magnesium is essential for the photolysis of water.
$IV.$ Zinc helps in sugar translocation.

What is the usefulness of $Mg^{2+}$ in plants?

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