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Give two functions of collenchyma....

Give two functions of collenchyma.

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(i) Collenchyma provides rigidity and strength to the plant body due to thickenings.
(ii) It resists the tearing effect of wind on the leaves due to its presence along the margins of some leaves.
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MODERN PUBLICATION-ANATOMY OF FLOWERING PLANTS -REVISION EXERCISES ( Short Answer Questions)
  1. Name the various component cells of xylem. Which of them does not have...

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  2. How are exarch and endarch conditions different anatomically in stem a...

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  3. How is it advantageous for an organism to be made of different kinds o...

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  4. Give any four examples of secondary meristem.

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  5. What are sclereids ?

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  6. If one debarks a tree, what parts of the plant is being removed ?

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  7. Form which part of the plant fibers are obtained : (a) Hemp (b) C...

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  8. Palm is a monocotyledonous plant, yet it increases in girth. Why and h...

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  9. Compare the formation of vascular cambia in dicot stem and dicot root.

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  10. (a) Differentiate between meristematic and permanent tissues in plants...

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  11. Give two functions of collenchyma.

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  12. Name the tissue which provides mechanical strength to the plant organs...

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  13. What is an annual ring ?

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  14. The cross-section of a plant material showed the following features wh...

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  15. Name the tissue represented by the jute fibres used in making ropes.

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  16. Indicate the location of cambium in a dicot stem.

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  17. Why are a large number of stomata are present at the lower surface of ...

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  18. Draw a neatly labelled diagram of L.S. of phloem and explain briefly.

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  19. Draw well labelled diagram showing T.S. of dicot root.

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  20. Describe the vascular bundle of a monocot root.

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