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Identify from the following plant tissu...

Identify from the following plant tissues, in which lignin does not occur in the cell wall?

A

Collenchyma

B

Sclerenchyma fibres

C

Sclereid

D

Xylem

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The correct Answer is:
A
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ARIHANT NEET-ANATOMY OF FLOWERING PLANTS -Chapter exercises ( Taking it together Assorted Questions of the Chapter for Advanced Level Practice)
  1. A plant tissue, when stained, showed the presence of hemicellulose and...

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  2. Collenchyma differs from sclerenchyma in

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  3. Identify from the following plant tissues, in which lignin does not o...

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  4. Oval, spherical or polygonal cells, thickening at corners due to despo...

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  5. Cells of this tissue are living and show angular wall thickning. They...

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  6. Choose the incorrect statement

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  7. Star-shaped (stellate) sclereids are present in the leaves of

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  8. Root apical meristerm (root apex) appears cup-shaped (roughly hemisphe...

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  9. Parenchyma cell as found in

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  10. The acitvity of sieve tubes is remotely controlled by the nucleus of

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  11. In sieve elements, the possible function of p-proteins is

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  12. Which is correct about transport or conduction of substances

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  13. A vesselless piceof stem possessing prominent sieve tubes would belong...

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  14. A common structural feature of vessel elements and sieve tube elements...

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  15. In which of the following, the cuticle layer covering the outer surfac...

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  16. Thick-Walled cells of pericycle as found in Linum (flax) and Connabis ...

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  17. What is the fate of primary xylem in a dicot root showing extensive se...

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  18. In monocot roots which types of vascular bundles are found

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  19. Velamen is primarily an absorptive tissue, but it may

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  20. velamen found in epiphyic roots is meant for

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