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Which of the following plant cells are w...

Which of the following plant cells are without vacuoles without nuclei and are dead?

A

Cambium cells

B

Xylem vessels

C

Root hairs

D

Companion cells

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The correct Answer is:
B
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ALLEN-STRUCTURAL ORGANISATION IN PLANTS (MOPRHOLOGY OF FLOWERING PLANTS & ANATOMY OF FLOWERING PLANTS)-Exercise-I (Meristem To Vascular Bundles)
  1. Which of the following plant organs do not contain collenchyma:

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  2. Sclerenchymatous cells in their cell walls have large percentage of :

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  3. Which of the following plant cells are without vacuoles without nuclei...

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  4. Maximum bordered pits are found in tracheids of -

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  5. The cell functionally associated with sieve tube element is:

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  6. Bast fibres are mostly found in -

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  7. Vessels and companion cells are respectively present in the xylem and ...

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  8. Phloem parenchyma is absent in (a) Dicots and few monocots (b) Mono...

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  9. Edible part of pear fruit is gritty due to -

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  10. The collenchyma is thickened due to the deposition of

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  11. The chief function of a xylem vessel in a plant body is to:

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  12. End walls of tracheids and vessels respectively are

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  13. Quiescent centre theory was proposed by

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  14. Long pointed sclerenchyma cells are

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  15. Sieve tubes are characteristed by

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  16. P-protein is a constituent of

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  17. When xylem and phloem are on same radius, the vascular bundles are sai...

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  18. A vascular bundle in which phloem is present on both the sides of the ...

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  19. A concentric amphivasal (leptocentric) vascular bundle is one is which

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  20. In which of the following monocots secondary growth is present ?

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