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  • Tell me? Identify the wrong statement in context of heartwood:

Identify the wrong statement in context of heartwood:

  • Option 1)

    Organic compounds are deposited in it

  • Option 2)

    It is highly durable

  • Option 3)

    It conducts water and minerals efficiently

  • Option 4)

    It comprises dead elements with highly lignified walls

 

Answers (1)

best_answer

As discussed in

Heart wood -

New secondary xylem tissues degenerated into the old secondary xylem. Waste materials like lignin, suberin, tannin and resin gums are formed due to degeneration. All waste materials are filled in lumen of tracheids and vessels of secondary xylem. 

- wherein

Wood in center becomes dark coloured which is called heart wood or duramen.

 

 and

Sap wood -

The peripheral or outer wood which looks light in color is known as Sap wood or Alburnum. 

- wherein

The active work of sap wood is water conduction. Heart wood provides the mechanical strength. 

 

 Heartwood doesn't conducts water and minerals efficiently but provide mechanical strength.


Option 1)

Organic compounds are deposited in it

This solution is incorrect 

Option 2)

It is highly durable

This solution is incorrect 

Option 3)

It conducts water and minerals efficiently

This solution is correct 

Option 4)

It comprises dead elements with highly lignified walls

This solution is incorrect 

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Plabita

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