Multiple choice

Tyloses are found in

  1. the primary xylem consists of small tracheids and vessels and lacks tyloses

  2. secondary xylem

  3. secondary phloem 

  4. sclerenchyma fibres
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Secondary xylem is absent in non-woody plants and is present in trees and shrubs. Its cell walls are thickened by deposition of lignin, thereby, rendering mechanical support to such plants. The second  xylem consists of small tracheids and vessels and tyloses.

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