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inner darker, hardened portion of secon...

inner darker, hardened portion of secondary xylem that cannot conduct water in older dicot stem is called

A

Alburnum

B

Bast

C

Wood

D

Duramen

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The correct Answer is:
D
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PRADEEP-ANATOMY OF FLOWERING PLANTS-PRACTICE QUESTIONS (MULTIPLE CHOICE QUESTION)
  1. Which one of the following statements pertaining to plant structure is...

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  2. Cork tissue arises from

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  3. inner darker, hardened portion of secondary xylem that cannot conduc...

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  4. Fascicular , interfascicular and extra-fascicular cambium together con...

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  5. A common structural feature of vessel elements and sieve tube elements...

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  6. Bicollateral conjoint vascular bundles have

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  7. Casparian thickenings are found in the cells of Or In dicot roots,...

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  8. Grafting is successful in dicots but not in monocots because the dicot...

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  9. In the sieve elements, which one of the following is the most likely f...

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  10. Passage cells are thin walled cells found in

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  11. For a critical study of secondary growth in plants, which one of the...

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  12. Length of petiole increases due to division of

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  13. periderm is produced by

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  14. Meristematic tissue in vascular bundle is

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  15. Vessels and companion cells are found in

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  16. Lateral roots originate from

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  17. Opening in the core tissue which permit ex-change of gas between atmos...

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  18. Procambium produces

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  19. At maturity, which of the following is non-nucleated?

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  20. The histogen layer present at the apex of the shoot tip is called

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