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STD 11 - 6. Anatomy flowering plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 6. Anatomy flowering plants1 Mark
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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