The balloon-shaped structures called tyloses

  • Option 1)

    originate in the lumen of vessels

  • Option 2)

    characterize the sapwood

  • Option 3)

    are extensions of xylem parenchyma cells into vessles

  • Option 4)

    are linked to the ascent of sap through xylem vessels

 

Answers (1)

As learnt in

Tyloses -

Bladder like ingrowth of parenchyma cells into lumen of vessels 

- wherein

Tylose blocks the conduction of water. In gymnosperms, tylosoids are formed in place of tyloses. 

 

 

 

 

 


Option 1)

originate in the lumen of vessels

Incorrect option

Option 2)

characterize the sapwood

Incorrect option

Option 3)

are extensions of xylem parenchyma cells into vessles

correct option

Option 4)

are linked to the ascent of sap through xylem vessels

Incorrect option

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