Which among the structure has an elongated, unbranched, pointed, and needle-like apices?

Question

Which among the structure has an elongated, unbranched, pointed, and needle-like apices? (A) Phloem parenchyma (B) Phloem fibre (C) Companion cells (D) Sieve tubes

Tardigrade Admin · Accepted Answer

Phloem fibers are the dead, unbranched structures with needle-like apices. The cell wall is quite thick, without protoplasm. They are also known as Bast fibers. Phloem fibers of jute, flax, and hemp are used commercially.

Q. Which among the structure has an elongated, unbranched, pointed, and needle-like apices?

Phloem parenchyma

Phloem fibre

Companion cells

Sieve tubes

Phloem fibers are the dead, unbranched structures with needle-like apices. The cell wall is quite thick, without protoplasm. They are also known as Bast fibers. Phloem fibers of jute, flax, and hemp are used commercially.