Vascular tissues containing a large number of vessels and fibers are .........

Narrow bands of parenchymatous tissue which pass through the secondary xylem and phloem radially are called

$A$ timber merchant told a customer that the log of wood he is purchasing belongs to a $20$-year-old tree. He did so by

Select the incorrect statement from the following.

Heartwood differs from sapwood in

Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.
$I.$ Secondary cortex
$II.$ Autumn wood
$III.$ Secondary phloem
$IV.$ Phellem