How many of the following features are exclusively seen in angiosperms w.r.t vascular tissue system?

(a) Presence of xylem vessel elements

(b) Presence of sieve tube elements and companion cells

(c) Presence of albuminous cells and sieve cells.

(d) Presence of tracheids and sieve cells.

Angiosperms represent a most diverse group of seed-bearing vascular land plants (Spermatophyta). The unique features w.r.t vascular tissue are as follows.

(a) presence of xylem vessel elements

(b) presence of sieve tube elements and companion cells

Gymnosperms, the other seed-bearing group of plants have tracheid in their xylem and sieve cells and albuminous cells in their phloem.