question_answer

Which of the following mineral is associated with the characters/functions given below?

(i)  Helps in formation of middle lamella.

(ii) Needed in mitotic spindle formation.

(iii) Accumulates in older leaves.

(iv) Involves in normal functioning of the cell membranes.

(v) Activate certain enzymes.

(vi) Plays an important role in regulating metabolic activities.

A) \[{{K}^{+}}\]             

B)        \[F{{e}^{3+}}\]

C) \[N{{O}^{3-}}\]          

D)        \[C{{a}^{2+}}\]