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Questions and Answers
What is the secondary protective tissue known as in older stems and roots of dicotyledons and gymnosperms?
What is the secondary protective tissue known as in older stems and roots of dicotyledons and gymnosperms?
- Phellogen
- Periderm (correct)
- Cork cambium
- Epidermis
What are the components of periderm?
What are the components of periderm?
- Phellem, Phellogen, Phelloderm (correct)
- Epidermis, Cortex, Phloem
- Xylem, Cambium, Pith
- Endodermis, Pericycle, Sclerenchyma
What does the phellogen (cork cambium) serve as?
What does the phellogen (cork cambium) serve as?
- A protective layer against herbivores
- An essential part of the epidermis
- A secondary lateral meristem producing the periderm (correct)
- A primary tissue for water transport
What happens to the epidermis when the diameter of the stem or root increases?
What happens to the epidermis when the diameter of the stem or root increases?
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In which type of plants does secondary growth in monocotyledonous plants occur?
In which type of plants does secondary growth in monocotyledonous plants occur?
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