Tracheids differ from other tracheary elements in

Explanation

• Tracheids differ from other tracheary elements in being imperforated.
• Both tracheids and vessels which help in the conduction of water are the tracheary elements.
• Tracheids and vessels are tubular, possess thick lignified walls and are dead as they lack protoplasm.
• However tracheids are imperforated that makes them different from other tracheary elements.
• Casparian strips are found in the endodermis layer and these are impervious to water.

Final Answer

Hence, the correct option is B i.e., imperforate.