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  • Stuck here, help me understand: Vascular bundles in monocotyledons are considered closed because:

Vascular bundles in monocotyledons are considered closed because:

  • Option 1)

    There are no vessels with perforations

  • Option 2)

    Xylem is surrounded all around by phloem

  • Option 3)

    A bundle sheath surrounds each bundle

  • Option 4)

    Cambium is absent

 

Answers (1)

best_answer

 

Vascular Bundles -

Xylem, phloem and cambium are part of vascular bundles and may be following type:

  • Radial- When xylem and phloem are arranged on different radii alternating with each other. Example: Roots The development of xylem is centripetal or exarch.
  • Conjoint- Xylem and phloem are present on the same radius. It can be collateral or biocollateral.If cambium is present between xylem and phloem it is called open. It cambium is absent it is called closed.

- wherein

Vascular Bundles

 

 


Option 1)

There are no vessels with perforations

Incorrect

Option 2)

Xylem is surrounded all around by phloem

Incorrect

Option 3)

A bundle sheath surrounds each bundle

Incorrect

Option 4)

Cambium is absent

Correct

Posted by

divya.saini

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