1.

Question : In roots, the primary xylem is called exarch. because -

Answer»

The PROTOXYLEM lies towards the CENTRE and the METAXYLEM lies towards the PERIPHERY
The protoxylem lies towards the periphery and the metaxylem lies towards the centre
Both the protoxylem and the metaxylem lies towards the centre
The protoxylem is SURROUNDED by the metaxylem.

Answer :B


Discussion

No Comment Found