Nitrogen is a constituent of

  • A
    Chlorophyll
  • B
    Hormones
  • C
    Vitamins and amino acids
  • D
    All of these

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Similar Questions

Which of the following is not essential for all plants?

The number of essential elements required for the normal growth of plants is

Silicon,Cobalt,Sodium,and Selenium are:

$A$: Some mineral nutrients are essential.
$R$: They can be synthesized by the plants.

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

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