Which of the following statements are true? If false, correct them: Every mineral element that is present in a cell is needed by the cell.

Which of the following statements is true for a secretory cell?

Which of the following statements are true? If false, correct them: Boron deficiency leads to stout axis.

Which of the following statement is false for fuel cell?

Which of the following statements are true? If false, correct them: It is very easy to establish the essentiality of micronutrients because they are required only in trace quantities.

Which of the following statements are true? If false, correct them: Nitrogen as a nutrient element, is highly immobile in the plants.

Which of the following statements are True or False : A square is a rectangle.