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  • Confused! kindly explain, Tracheids differ from other tracheray elements in :

Tracheids differ from other tracheray elements in :

  • Option 1)

    Having casparian strips

  • Option 2)

    Being imperforate

  • Option 3)

    Lacking nucleus

  • Option 4)

    Being lignified

 

Answers (1)

best_answer

 

Tracheids -

These are primitive conducting elements of xylem, unicellular and have narrow lumen. Transverse septum lies between each two tracheids and water moves from one tracheid to  another though pits, which are unlignified area on lignified wall.

- wherein

Tracheids of pteridophytes have long or elongated bordered pits, called as scalariform pits.

 

 Tracheids allow movement of waters through pits. Hence are imperforated


Option 1)

Having casparian strips

Incorrect

Option 2)

Being imperforate

Correct

Option 3)

Lacking nucleus

Incorrect

Option 4)

Being lignified

Incorrect

Posted by

divya.saini

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