Cork tissue arises from
Periderm
Phellogen
Phelloderm
Phellem
In an annual ring, the light coloured part is known as
Growth rings $(annual\ rings)$ are formed by activity of
In woody dicotyledons, the arrangement of vessels is either diffuse porous or ring porous. Based on the these data, which one of the following statements is correct ?
When secondary growth in thickness is initiated in a dicot root, which of the following happens first
$A$ : In monocot roots, pericycle gives rise to lateral roots and cork cambium.
$R$ : It has tetrach vascular bundles usually.