It provides the medium for enzymatic activities needed for growth.

$A$ leaf of $20 \; cm^{2}$ grows $5 \; cm^{2}$ per hour and a leaf of $25 \; cm^{2}$ grows $5 \; cm^{2}$ per hour. The relative growth rate of leaf $A$ and $B$ respectively is:

Why is not any one parameter good enough to demonstrate growth throughout the life of a flowering plant?

Distribution of growth in a root by marking it at equal intervals with Indian ink was originally studied by

Who among the following is known as the “Father of Indian Physiology”?

$A$ bifacial organ bends towards the side where: