NTA Abhyas NEET2020BotanyAnatomy of Flowering PlantsPractice
In stems, the protoxylem lies towards the center (pith) and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called
Options
- AExarch
- BEndarch
- CBoth (A) and (B)
- DNone of these
Correct answer
B. Endarch
Step-by-step solution
In stems, the protoxylem lies towards the centre (pith) and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called endarch. In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such an arrangement of primary xylem is called exarch.