The cross-section of a stem of tree has fifty rings, what is the age of the tree ?

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Q: 1 (SSC/NA)
The cross-section of a stem of tree has fifty rings, what is the age of the tree ?
50 months
5 years
25 years
50 years

 

question_subject: 

Science

question_exam: 

SSC

keywords: 

{'tree': [3, 0, 1, 1], 'stem': [1, 0, 0, 0], 'age': [2, 1, 1, 2], 'rings': [2, 0, 1, 0]}

The age of a tree can be estimated by counting the number of growth rings. Each year, a tree adds a new layer of growth (ring) around its trunk. Therefore, a tree with 50 rings is 50 years old..