Xylem translocates:

  • Option 1)

    water only

  • Option 2)

    Water and mineral only

  • Option 3)

    Water, mineral salts and some organnic nitrogen only

  • Option 4)

    Water, minerals salts and some organic nitrogen and hormones

Answers (3)

 

Ascent of sap -

The upward movement of water from the root to aerial parts of the plant body.

-

 

 

Xylem is the complex conducting tissue in the plants. It is responsible for the translocation of water, mineral salts and ions. Plants utilize nitrogen in the form of ammonia (NH_{4}^{+}) or nitrate (NO_{3}^{-}) ions. Hence organic nitrogen is not translocated. The transport of hormones majorly occurs in pholem.

 


Option 1)

water only

Option 2)

Water and mineral only

Option 3)

Water, mineral salts and some organnic nitrogen only

Option 4)

Water, minerals salts and some organic nitrogen and hormones

xylem translocates all except organic nitrogen because nitrogen is utilised by plants in mycorhizal association so nitrogen is not transported

Option 2

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