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When secondary growth in girth is initia...

When secondary growth in girth is initiated in dicot root, which one of the following happens first?

A

Anticlint division occurs so that cambium becomes circular

B

Parenchyma between xylem and phloem becomes meristematic.

C

Camblum initial between xylem and phloem divides.

D

Percycle stands outside primary xylem divide.

Text Solution

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The correct Answer is:
B
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CENGAGE BIOLOGY ENGLISH-ANATOMY OF FLOWERING PLANTS -ARCHIVES
  1. When secondary growth in girth is initiated in dicot root, which one o...

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  2. Passage cells are walled cells found in

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  3. For a critical study of secondary growth in plants, which one or the f...

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  4. Which one of the following is resistant to enzyme action?

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  5. The length of different internodes in a culm of sugarcane is variable ...

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  6. Vascular tissues in flowering plants develop from

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  7. Which one is enucleacted ?

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  8. In barely vascular bundles are

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  9. Palisade parenchyma is absent in leaves of:

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  10. The annular and spirally thickened conducting elements generally devel...

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  11. Anatomically fairly old dicotyledonous root is distinguished formt eh ...

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  12. Heartwood differs form sapwood in

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  13. Which one of the following is not a lateral meristem ?

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  14. The chief water conducting elements of xylem in gymnosperms are

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  15. Ground tissue includes

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  16. The cork cambium, cork and secondary cortex are collectively called

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  17. Which of the following is wrongly matched ?

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  18. In land plants, the gurad cells differ from other epidermal cells in h...

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  19. The common botle cork is a product of

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  20. Closed vascular bundles lack

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  21. Water contaning cavities in vascular bundles are found in

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