Question

Secondary xylem with 5 early wood rings and 4 late wood ring is said to be how many years old?

• A. 5 years
• B. 4 years
• C. $4\frac{1}{2}$ years
• D. $5\frac{1}{2}$ years

Answer 1

Answer: (C)

$4\frac{1}{2}$ years

The early wood is formed in the favorable conditions of spring known as Springwood whereas the latewood is formed during the summers and known as summerwood.

So the tree has grown for 5 springs and 4 summers.

So the correct answer is ' 5 1/2 years'.