Multiple choice general knowledge

The age of a tree can be determined by

  1. Measuring its height

  2. Measuring its diameter

  3. Counting the annual growth rings of its stem

  4. Analyzing its sap

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Tree age is determined by counting annual growth rings in the trunk's cross-section. Each ring represents one year of growth, with light spring wood and dark summer wood forming concentric circles. Height and diameter do not reliably indicate age.