The dye, haematoxylin is obtained from:
A. 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:A
The dye, haematoxylin is obtained from:
A. 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