Mark the correct sequence of layers found in root anatomy.
Epiblema, cortex, endodermis, pericycle
Cortex, epiblema, pericycle, endodermis
Epiblema, cortex, pericycle, endodermis
Cortex, epiblema, endodermis, epidermis
Periderm is produced from
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
As a tree grows older, which increases rapidly in thickness
Secondary growth is absent in
Describe vascular cambium responsible for secondary growth in detail.