Q. The age of trees is determined by its:
✅ Correct Answer: (A)
growth rings
Explanation:
The age of a tree is determined by counting the annual growth rings in its trunk, a method called dendrochronology.
- Each year, a tree forms a new ring due to seasonal growth variations, making it possible to estimate its age accurately.
- Height (B) and general appearance (C) are not reliable indicators of age since different species grow at different rates.
- Girth (D) (the circumference of the trunk) can indicate age to some extent but varies greatly depending on species and growth conditions.
Thus, option (A) Growth rings is correct.
Explanation by: Official MCQ Buddy
The age of a tree is determined by counting the annual growth rings in its trunk, a method called dendrochronology.
- Each year, a tree forms a new ring due to seasonal growth variations, making it possible to estimate its age accurately.
- Height (B) and general appearance (C) are not reliable indicators of age since different species grow at different rates.
- Girth (D) (the circumference of the trunk) can indicate age to some extent but varies greatly depending on species and growth conditions.
Thus, option (A) Growth rings is correct.