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The (A) venation in (B) leaves is reflec...

The (A)____ venation in (B)____ leaves is reflected in the near similar sizes of vascular bundles (except in main veins) as seen in vertical section of the leaves.

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A-Parallel
B-Monocot
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The cross section of a plant material shows the following anatomical featrues under microscope: (a) Sclerenchymatous bundle sheath (b) Many vascular bundles are scattered in parenchymatous ground tissues, each vascular bundle is surrounded by sclerenchymatous bundle sheath. (c) Vascular bundles are usually oval shaped. (d) Vascular bundles are conjoint, collateral & closed and xylem is endarch (e) Phloem parenchyma is absent and water containing cavities are present within the vascular bundles: The plant material should be:

The transverse section of a plant material shows the following anatomical features, (a) the vascular bundles are conjoint, scattered and surrounded by sclerenchymatous bundle sheaths (b) phloem parenchyma is absent. What will you identify it as?

The transverse section of a plant material shows the following antomical features : (a) the vascular bundles are conjoint, scattered and surrounded by a sclerenchymatous bundle sheaths. (b) Phleom parenchyma is absent. What will you identify it as ?

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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