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Phloem fibre are made up of (A)cells. Th...

Phloem fibre are made up of (A)____cells. These are generally absent in the (B)_____

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The correct Answer is:
A-Sclerenchymatous
B-primary phloem
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ALLEN -ANATONY OF FLOWERING PLANTS -Exercise
  1. The presence of vessels in xylem is characteritics feature of (A)

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  2. Which xylem element have highly thickned walls and obliterated central...

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  3. Which xylem element store food material in the form of starch or fats ...

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  4. Given figure represents L.S. of phloem tissue. In which labelled struc...

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  5. Plant group in which phloem is composed of sieve tube elements, compan...

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  6. Phloem elements which are long, tube-like structures, arranged longitu...

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  7. A mature sieve element possesses a peripheral cytoplasm and a large (A...

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  8. The functions of (A) are controlled by the (B) of companion cells.

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  9. The protophloem has (A) sieve tubes whereas metaphloem has (B) sieve t...

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  10. What is meant by tissue ? Which are two main types of tissue ?

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  11. Phloem fibre are made up of (A)cells. These are generally absent in th...

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  12. Epidermal cell are (A) with a small amount of (B) and large vacuole.

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  13. In dicots, guard cells are (A) shaped whereas in grasses guard cells a...

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  14. The stomatal aperture, guard cells and the surrounding subsidiary cell...

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  15. The root hairs are (A) elongations of the (B) cells and help absorb wa...

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  16. Given figure represents which type of vascular bundle?

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  17. In dicotyledonae stem, which layer is also termed as starch sheath?

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  18. Which type of vascular bundles are found in the primary internal struc...

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  19. The cross section of a plant material shows the following anatomical f...

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  20. The (A) venation in (B) leaves is reflected in the near similar sizes ...

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