The correct option is B 4→2→6→1→3→5
The changes that a particular cell undergo during its development. The rapidly dividing cells of the meristems which result in an increase in the number of cells in the plant, representing the meristematic phase of growth. From the meristematic tissue, of course, the same cells get into a phase of acquiring cell biomolecules and protoplasm and undergo expansion. The cells then differentitae to form a particular type of cell with a specific function i.e. they attain maturity. The cells of the maturation phase attain their maximum size, undergo maximum thickening of the cell wall to attain their final state i.e. becme a mature cell.