Plant Kingdom — BIOLOGY STD 11 Science — Question

4. Angiosperms

Explanation:

Option A:

Bryophyta plants are non - vascular plants i.e. they lack the vascular tissue.

Thus, they do not have xylem vessels.

Option B:

Pteridophytes contain both xylem and phloem vascular tissues but these are not well - developed because the xylem tissue lacks xylem vessels and phloem tissue lacks sieve tubes.

Option C:

Both bryophytes and pteridophytes lack xylem vessels.

Option D:

Angiosperms are the plants having well - developed xylem and phloem. 

The xylem tissue of angiosperms has all components like xylem vessels, xylem tracheids, xylem fibers and xylem parenchyma.

Similarly, the phloem tissue has sieve tubes, companion cells, phloem parenchyma and phloem fibers.