q.15 is?
Please find below the solution to the asked query
The correct option is (4).
Centripetal Xylem: Here development of the xylem occurs in centripetal pattern. The arrangement of protoxylem is towards the periphery and metaxylem is towards centre and is called exarch condition. It is present in roots.
Centrifugal Xylem: Here development of the xylem occurs in centrifugal pattern. The arrangement of protoxylem is towards the centre and metaxylem is towards periphery and is called endarch condition. It is present in stem.
Hence both (1) and (2) are correct.
Hope this information will clear your doubts about the topic.
Regards
The correct option is (4).
Centripetal Xylem: Here development of the xylem occurs in centripetal pattern. The arrangement of protoxylem is towards the periphery and metaxylem is towards centre and is called exarch condition. It is present in roots.
Centrifugal Xylem: Here development of the xylem occurs in centrifugal pattern. The arrangement of protoxylem is towards the centre and metaxylem is towards periphery and is called endarch condition. It is present in stem.
Hence both (1) and (2) are correct.
Hope this information will clear your doubts about the topic.
Regards