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The cell functionally associated with si...

The cell functionally associated with sieve tube element is:

A

Phloem fibres

B

Phloem Parenchyma

C

Companion cell

D

Collenchyma

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The correct Answer is:
C
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The cell functionally associated with sieve tube is -

The specialised parenchyma cells closedly associated with sieve tube elements are A. Having peripheral cytoplasm and large central vacuole but without nucleus. B. Controls function of sieve tube elements C. Absent in most monocots. D. Connected by pit fields present between their common longitudinal walls.

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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 cells are without vacuoles without nuclei...

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  2. Maximum bordered pits are found in tracheids of -

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

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  4. Bast fibres are mostly found in -

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

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

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

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  8. The collenchyma is thickened due to the deposition of

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

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  10. End walls of tracheids and vessels respectively are

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  11. Quiescent centre theory was proposed by

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  12. Long pointed sclerenchyma cells are

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  13. Sieve tubes are characteristed by

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  14. P-protein is a constituent of

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

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

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

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

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  19. The basic difference between stem and root is that xylum in stem is -

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  20. Which of the following components of xylem is living

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