The maximum growth rate occurs in

The rate of growth of any organism follows

After four successive mitotic divisions of a cell,in an arithmetic growth pattern,the total number of cells that have lost the ability of cell division is . . . . . . .

$A$ rubber band stretches and reverts back to its original position. Bubble gum stretches,but it would not return to its original position. Is there any difference between the two processes? Discuss it with respect to plant growth. [Hint: Elasticity (reversible),Plasticity (irreversible)]

The total time in which growth occurs is called

The process of growth is maximum during: