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Outermost Portion of the Wood is Known as

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The outermost portion of the wood is known as-

  1. Cambium
  2. Heartwood
  3. Bark
  4. Sapwood

Answer: C. Bark

The outermost portion of the wood is known as bark.

Solution

Pith (medulla) – It is the innermost central portion or core of the tree.

Heartwood – These are the outer annular rings surrounding the pith.

Sapwood – These are the outer annular rings in between the heartwood and cambium layer.

Cambium – It is a thin layer of sap in between the sapwood and inner bark.

Medullary rays – These are the thin radial fibres, extending from the pith up to the cambium layer holding the annular rings of the heartwood and sapwood in position.

Bark – The outermost portion of the wood is known as bark. It is the outer protective layer around the cambium layer.

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