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| Q. |
The age of a tree can be determined more or less accurately by - |
| A. | counting the number of branches |
| B. | measuring the height of the tree |
| C. | measuring the diameter of the trunk |
| D. | counting the number of rings in the trunk |
| Answer» D. counting the number of rings in the trunk | |
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Explanation: When a tree has been cut down or felled, then it is relatively easy to work out its age by counting the growth or annual rings that can be seen on the sawn-off stump. Under the bark of a tree is a special tissue (called the cambium) which forms new cells so that the tree can grow. |
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