Q.10:- Which of the following statements are true? If false, correct them:
(a) Boron deficiency leads to stout axis.
(b) Every mineral element that is present in a cell is needed by the cell.
(c) Nitrogen as a nutrient element, is highly immobile in the plants.
(d) It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.

Answer:-

(a)True

(b)Out of all the mineral elements, only 17 are considered as essential elements.

(c)Nitrogen is highly mobile in plants.

(d)True