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Which of the following statements are co...

Which of the following statements are correct about heartwood?
(i). It does not help in water conduction
(ii). It is also called alburnum
(iii). It is light in colour and is very soft
(iv). It has tracheray elements which are filled with tannins, resins etc.

A

b,c,d

B

a, b,c

C

b, d

D

a, d

Text Solution

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The correct Answer is:
D
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CENGAGE BIOLOGY ENGLISH-ANATOMY OF FLOWERING PLANTS -ARCHIVES
  1. Which of the following statements are correct about heartwood? (i). ...

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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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