Cambium activity is
More active towards the periphery of stem
More active towards the lateral sides of stem
More active towards the inner side of stem
Same on the both sides
In old trees, the greater part of secondary xylem is dark brown due to the
Give explantion about heartwood and sap wood.
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
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 ?