Question

The annual rings in a hundred year old tree will show

• A. The same number of rings from base of trunk to the terminal region of branches.
• B. An irregular number of rings which increase or decrease sporadically along its length.
• C. About one hundred rings at the base with number gradually decreasing towards the apex.
• D. About one hundred rings at the base and twenty five at its apex.

Answer 1

The correct option is C About one hundred rings at the base with number gradually decreasing towards the apex.

Growth rings or tree rings are also known as annual rings and are seen through the cross section of the tree trunk. These rings shows the growth of the vascular cambium which are the lateral meristem. One ring generally shows the one year life of the tree. According to dendrochronology, the study of the annual rings on a hundred year old tree will be about hundred rings at the base and a gradually decreasing number to the apex.

Thus, the correct answer is option C.