The central lumens are obliterated in

Isodiametric sclereids,found in the hard endocarp of coconut and the fleshy portion of some fruits,are known as:

What is the primary function of xylem in plants?

Deciduous plants shed their leaves during hot summer or in autumn. This process of shedding of leaves is called abscission. Apart from physiological changes,what anatomical mechanism is involved in the abscission of leaves?

Companion cells are closely associated with

Which living cells provide tensile and mechanical strength to the plant?