Secondary growth or increase in diameter is due to
Ground meristem
Procambium
Cork and phelloderm
Vascular cambium
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
Cambium activity is
The meristematic tissue responsible for the cutting of vascular tissue $(xylem \;and \;phloem)$ is called
Which will decay faster if exposed freely