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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

Cortical cells

B

secondary xylem

C

Secondary phloem

D

Protoxylem

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The correct Answer is:
D
You are given a fairly old piece of dicot stem and a dicot root. Protoxylem is anatomical structure that is used to distinguish (dicot ) stem has endarch and dicot root has exarch conditioon).
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A2Z-ANATOMY OF FLOWERING PLANTS-Section C : Previous Years' Examination Question (NEET/AIPMT Questions )
  1. A stele with a central core of xylem surrounded by phloem is called or...

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  2. Tracheids differ from other tracheary elements in

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  3. you are given a fairly old piece of dicot stem and a dicot root. Which...

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  4. Bicollateral vascular bundles occur in which of the following families...

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  5. Lenticels are involved in

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  6. Age of tree can be estimated by

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  7. Jute , flax and hemp are fibres opbtained from

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  8. Which one of the following is present in the stem but not in the root ...

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  9. Read the different components from (A) to (D) in the list given below ...

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  10. Vascular bundle in monocotyledons are considered closed, when

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  11. A major characteristic of the monocot root is the presence of

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  12. Specialised epidermal cells surrounding the guards cells are called

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  13. cortex lies between

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  14. the baloon- shaped structuces called tyloses

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  15. The vascular cambium normally gives rise to

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  16. Which of the following is made up of dead cells

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  17. Indentify the wrong statement in context of heartwood

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  18. Stomata in grass leaf are

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  19. Secondary xylem and phloem in dicot stem are produced by

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  20. Casparian strips are present in the of the root

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