Question

multiple choice question
the xylem of gymnosperms is made of
o tracheids only
o vessels only
o tracheids and sieve elements
o tracheids and vessels

Explanation:

In gymnosperms, the xylem is mainly composed of tracheids which are elongated cells for water - conduction. They lack true vessels which are present in angiosperms. Sieve elements are part of the phloem, not the xylem.

Answer:

A. tracheids only