vascular bundle with protoxylem towards the periphery is

Vascular bundles of are

The vascular bundle with protoxylem facing centre of the stem is:

Fill in the blanks : In …1… the protoxylem lies towards the periphery and metaxyleml lies towards the centre. Such arrangement of primary xylem is called …2.. In …3… the protoxylem lies towards th centre (pith) and the metaxylem lies twoards the periphery. This type of primary xylem is clled ..4..

Vascular bundles having phloem on the periphery of both outer and inner cambium are (a) Bicollateral closed (b) Bicollateral open (c) Radial (d) Biradial

The condition where protoxylem lies towards the pith and metaxylem towards periphery is called as

Vascular bundles having phlowm on the periphery of both outer and inner cambium are