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Secondary Growth — BIO BOTANY STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYSecondary Growth1 Mark
MCQ
The dye, haematoxylin is obtained from:
  • ✓
    the heart wood of haematoxylum campechianum
  • B
    the sap wood of haematoxylum campechianum
  • C
    cambium cells of haematoxylum campechianum
  • D
    the seeds of haematoxylum campechianum
✓

Answer

Correct option: A.
the heart wood of haematoxylum campechianum
the heart wood of haematoxylum campechianum

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