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Later formed primary xylem is
Option: 1
Secondary xylem
Option: 2
Tertiary xylem
Option: 3
Metaxylem
Option: 4
Protoxylem
Answers (1)
XYLEM:
- The term was given by Nageli in 1858.
- Xylem is a vascular tissue that conducts water and minerals from roots to the aerial parts of the plants.
- The flow of water and minerals in xylem is always unidirectional.
- On the basis of origin xylem can be of two types:
- Primary xylem: It originates from the procambium during the primary growth of the plant. The primary xylem which is formed early is called protoxylem while the one formed later is called metaxylem.
- Secondary xylem: It originates from the vascular cambium during secondary growth of the plant. It constitutes the ‘wood’.
-
Later formed primary xylem is metaxylem.
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