Distinguish the between the arrangement of vascular tissues in roots and shoots!?

Answer 1

Haplostele - the most basic of protosteles, with a cylindrical core of vascular tissue. This type of stele is the most common in roots.

Photo:
http://www.botany.hawaii.edu/faculty/webb/bot201/RootStemStele/HaploStele.jpg

Eustele - the most common stelar arrangement in stems of living plants. Here, the vascular tissue in arranged in vascular bundles, usually in one or two rings around the central pith.

Photo:
http://www.botany.hawaii.edu/faculty/webb/BOT201/FERNS/Eustele-1240Lab.jpg