Multiple choice Which of the following is the correct set of components of xylem tissue? Xylem fibres, sieve cells, sclerenchyma cells and tracheids Vessels, tracheids, xylem parenchyma and fibres Collenchyma cells, fibres, companion cells and vessels Tracheids, xylem collenchyma, xylem parenchyma and meristem Reveal answer Fill a bubble to check yourself B Correct answer Explanation Xylem tissue consists of vessels, tracheids, xylem parenchyma and fibres.