Scaly bark is found in ...........

What is correct for heartwood?

In which of the following is the differentiation between heartwood and sapwood not observed?

Choose the correct options for the following statements:
$(i)$ Interfascicular cambium is a primary / secondary meristematic tissue.
$(ii)$ Secondary growth does not occur in monocot / dicot stems.

Grafting is successful in dicots but not in monocots because the dicots have

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.