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you are given a fairly old piece of dico...

you are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two.

A

Secondary xylem

B

Secondary pholem

C

Protoxylem

D

Cortical cells

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The correct Answer is:
C
Protoxylem is the major anatomical structural difference which distinguish dicot stem from dicot root. In dicot stem, the protoxylem is present towards centre (pith) and metaxylem is present towards the periphery of the organ. This type of xylem is known as endarch. In dicot root. the protoxylem is present towards the centre. This condition is called exarch.
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  6. which of the following part of dicot root is made up of cells with ...

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  7. Which of the following characters are not applicable to the anatomy of...

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  8. Choose the incorrect statement.

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  9. In dicotyledonous stem, which of the following is the sequence of tiss...

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  10. Which one of the following characters is not found in transverse secti...

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  11. Identify the correct pair of statemetns. I. Functions of sieve tubes ...

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  12. Interfascicular cambium develops from the cells of

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  17. Which one of the following is dead, but work efficiently?

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  18. Duramen is present in

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  19. Which of the following is ture ?

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  20. Two cross sections of stem and root appear simple, when viewed by nake...

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