Choose the incorrect statements.

I. Tracheids are interconnected through perforations in their common walls

II. Xylem fibers may be septate or aseptate with obliterated lumen

III. Sieve tube elements are living anucleated cells with sieve-like perforations in their end walls.

IV. Phloem fibers are common in primary phloem and seldom seen in secondary phloem.

• A

  I and II 

• B

  III and IV

• C

  I and IV

• D

  II and III