The Tissue System
Question
In ____(i)_____ , protoxylem lies towards periphery and metaxylem lies towards centre. Such an arrangement of primary xylem is called as _____(ii)____.
Identify (i) and (ii) and select the correct option.
| i | ii | |
| 1. | stems | endarch |
| 2. | stems | exarch |
| 3. | roots | endarch |
| 4. | roots | exarch |
Easy
Solution
In exarch condition of xylem, protoxylem or the first formed xylem is present towards the periphery while metaxylem or later formed xylem is present towards the centre of the root. Such an arrangement can be seen in roots.
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