Question

Distinguish between tracheids and vessels.

Answer 1

Tracheids are narrow and less efficient in water conduction whereas vessels are wide and highly efficient in water conduction

Answer 2

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☞Tracheids

→They are unicellular.

→Their ends are tapering and oblique.

→They are small in size.

→They are more lignified and have so many narrow lumens.

→They are found in pteridophtes (ferns), gymnosperms and a few angiosperms.

☞Vessels

→They are multicellular.

→Their ends are rounded or transverse.

→They are large in size.

→They are less lignified and have so many wide lumen.

→They are found only in angiosperms.