Bottle cork is obtained from .........

In which region do plants show distinct annual rings during their growth?

Identify the location and function of the following:
$(i)$ Fascicular cambium
$(ii)$ Pericycle

The periderm includes:

What is the study of $Dendrochronology$?

In dicot stem,secondary xylem lies towards the ...$A$... and secondary phloem lies towards the ...$B$.... Choose the correct combination of options for $A$ and $B$.