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In a mature dicot stem which has undergo...

In a mature dicot stem which has undergone seconday growth, youngest layer of secondary xylem is situated

A

In the centre of stem

B

Just outside the pith

C

Just outside the vascular cambium

D

Just inside the vascular cambium

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The correct Answer is:
D
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ALLEN-STRUCTURAL ORGANISATION IN PLANTS (MOPRHOLOGY OF FLOWERING PLANTS & ANATOMY OF FLOWERING PLANTS)-Exercise-I (Primary Internal Structure to Secondary Growth)
  1. External protective tissues of plants or dicot stem are

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  2. Which of the following provide maximum mechanical strength to a tree t...

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  3. In a mature dicot stem which has undergone seconday growth, youngest l...

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  4. Extra stelar secondary growth occurs due to the activity of

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  5. Living tissue in lenticel is called

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  6. Normally secondary growth takes place in -

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  7. Select true statements :- (a) Lenticels are absent in woody climbers...

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  8. Formation of which tissue is example of dedifferentation

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  9. What happens to primary phloem in stem after secondary growth? (a) Com...

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  10. Which tissue remains more active during autumn

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  11. Water conduction in stem of tree takes place mainly by -

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  12. How many types of cells are present in vascular cambium of dicot stem

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  13. Cork cambium is a

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  14. Normally in dicot stems, phellogen develops from

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  15. Suberin in chiefly deposited in the cells of

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  16. Which of the following is a meristematic tissue

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  17. sea shore trees do not show annual rings because

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  18. Secondary growth in dicots and gymnosperms occurs by

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  19. the balloon- like growths of parenchyma the lumen of a vessel are know...

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  20. Which of the following tissues originate from ray initials of cambium

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