Duramen is?

(A) Sapwood

(B) Heartwood

(C) Bark

(D) Periderm

Solution:

Duramen is the central or inner dark coloured, non-functional secondary xylem formed during secondary growth in dicotyledonous stems. It is called Heartwood. Sapwood occurs in the wood’s peripheral region while heartwood occurs in the wood’s inner region.

Hence option B is the answer.

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