The site of origin of lateral roots and the formation of cork cambium are features related to:

The position of xylem in secondary xylem is:

When an old tree grows,which part increases in thickness most rapidly?

Complete the following analogy-type questions:
$(i)$ Wood formed during spring season : Early wood :: Wood formed during winter season : .........
$(ii)$ Bark formed early in the season : Early bark :: Bark formed at the end of the season : ..........

How does sapwood transform into heartwood?

Which tissue is more active during the autumn season?