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The collenchyma is thickened due to the ...

The collenchyma is thickened due to the deposition of

A

Cellulose

B

Pectin

C

Lignin

D

Suberin

Text Solution

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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 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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