Cork is used as the stopper for bottles, for shock absorption and insulation because of
It is light and compressible
Non-reactive
Sufficiently resistant to fire
All of the above
$A$ : In monocot roots, pericycle gives rise to lateral roots and cork cambium.
$R$ : It has tetrach vascular bundles usually.
Lenticel develops through the activity of
Select the wrong statements
$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact
Narrow bands of parenchymatous tissue which passes through the secondary xylem and phloem radially are called