What does sapwood refer to in a tree trunk?

Building Materials and Construction MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Building Materials and Constructioncivil-engineering-mcqs › building-materials-and-construction
Published
8 Jan 2019
Last updated
28 May 2026

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Explanation

Sapwood is the part of the wood situated between the heartwood and the cambium layer. It is responsible for conducting water and nutrients. The innermost rings near the pith are different, and the thin layers under the bark or fibrous strands extending from the pith serve other functions.

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