Tamilnadu BoardEnglish MediumSTD 11BIO BOTANYSecondary Growth2 Marks
Question
What is polyderm? Explain briefly.
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Answer
Polyderm is found in the roots and underground stems. eg: Rosaceae. It refers to a special type of protective tissues consisting of uniseriate suberized layer alternating with multiseriate nonsuberized cells in periderm.
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