Question

Nature of xylem fibers is


1) Thickened walls, always septate and obliterated lumen

2) Lightly thickened walls, septate and broad lumen 3) Highly thickened walls, septate or aseptate and obliterated lumen

4) Highly thin walls, always aseptate and broad lumen​

Answer 1

Answer:

4) Highly thin walls, always aseptate and broad lumen

Answer 2

options 4 is right answer