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What is the fate of primary xylem in a d...

What is the fate of primary xylem in a dicot root showing extensive secondary growth?

A

It is retained in the centre of the axis

B

It gets crushed

C

May or may not get crushed

D

It gets surrounded by primary phloem

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The correct Answer is:
A
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ARIHANT NEET-ANATOMY OF FLOWERING PLANTS -Chapter exercises ( Taking it together Assorted Questions of the Chapter for Advanced Level Practice)
  1. In which of the following, the cuticle layer covering the outer surfac...

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  2. Thick-Walled cells of pericycle as found in Linum (flax) and Connabis ...

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  3. What is the fate of primary xylem in a dicot root showing extensive se...

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  4. In monocot roots which types of vascular bundles are found

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  5. Velamen is primarily an absorptive tissue, but it may

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  6. velamen found in epiphyic roots is meant for

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  7. Vascular cylinder in dicot stems occurs in the form of distinctly sepa...

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  8. Number of vascular bundles in a leaf-vein of dicot

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  9. The vascular bundle present in the midrib of a dicot leaf is

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  10. Bundle sheath extensions are collenchymatous on the vascular bundles o...

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  11. The oldest layer of secondary phloem in a stem lies

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  12. A cut trunk shows 26 concentric rings of spring wood and autum wood in...

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  13. Increment borer is an instrument used to count

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  14. Common features between lenticels and hydathodes are

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  15. The tracheids and vessels of this wood get plugged by the ingrowth of ...

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  16. In the following, how the sapwood is converted into heartwood?

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  17. Stem of grasses and related plants elongates by the activity of

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  18. Healing of wounds is done in plants by the activity of

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  19. Which of the following statements is incorrect?

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  20. Choose the correct statement regarding dicot stem

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