In cambium,the amount of secondary xylem produced is more than secondary phloem because..........

The girth of the stem of a date palm increases due to the activity of:

Old trees obtain $O_2$ from

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 : ..........

Wood is

The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.
$(a)$ It is also called as the earlywood
$(b)$ In spring season cambium produces xylem elements with narrow vessels
$(c)$ It is lighter in colour
$(d)$ The springwood along with autumnwood shows alternate concentric rings forming annual rings
$(e)$ It has lower density
Choose the correct answer from the options given below: