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Which of the following statements is cor...

Which of the following statements is correct about a woody dicot stem which shows extensive secondary growth?

A

Primary xylem persists in the centre of the axis.

B

Primary and the older secondary phloem get crushed.

C

Secondary xylem forms the bulk of the stem

D

all of these

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The correct Answer is:
D
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NCERT FINGERTIPS-ANATOMY OF FLOWERING PLANTS-Anatomy Of Flowering Plants
  1. In a mature dicot stem which has undergone seconday growth, youngest l...

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  2. During the secondary growth in a dicotyledonous stem, the fusiform ini...

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  3. Which of the following statements is correct about a woody dicot stem ...

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  4. Identify P,QltRltS and T in the given T.S. of dicot stem showing secon...

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  5. As comprared to spring wood, automn wood has

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  6. In temperate regions, cambium is less active during winter season and ...

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  7. In temperate regions, during spring season, combium is very active and...

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  8. Read the following statementsand selectthe correct option Statement-...

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  9. In old trees, central dark coloured, non-conducting part of secondary ...

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  10. Which of the following statements are correct about heartwood? (i). ...

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  11. Study carefully the following statements and select the incorrect one(...

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  12. Match column I with column II and select the correct option from the g...

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  13. The terms 'wood' and 'bast' respectively refer to

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  14. Which of the following options carrectly shows the sequence of differe...

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  15. Phellogen cuts off derivatives on the inner side to form and on the ou...

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  16. Cork is impervious to water due to the presence of in its cell wall.

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  17. Bark does not include

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  18. The collective term used for phelloderm (secondary cortex), cork cambi...

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  19. Bark dormed early in the season is called as bark and bark formed towa...

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  20. Match column I with column II and select the correct option from the g...

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