As a tree grows older, which increases rapidly in thickness - Vidyadip

MCQ

As a tree grows older, which increases rapidly in thickness

✓
Its heart wood
B
Its cortex
C
Its sap wood
D
Its phloem

✓

Answer

Correct option: A.

Its heart wood

a
(a) Heartwood $(duramen)$ is a hard and dark wood which are physiologically inactive $(almost\ dead).$

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