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When strong wind blows, the plants bend ...

When strong wind blows, the plants bend down and then again become erect. This flexibility in plants is due to
Or
Whose living cells provide tensile and mechanical strength

A

Sclerenchyma

B

Parenchyma

C

Collenchyma

D

Chlorenchyma

Text Solution

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The correct Answer is:
C
Collenchyma tissue is elastic, extensible and have capacity to expand.
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Refer to the given diagrammatic represention of parts of two different types of tissues , P and Q. Read the following statements regarding these tissues and select the correct statements . (i)P is a plant whereas Q is an animal tissue. (ii)P is the major water conducting tissue in vascular plants and provides mechanical strength to plant body. (iii)Q is a specialised tissue in animals for receiving stimuli and transmitting messages . (iv) P is composed of all dead cells whereas Q is composed of all living cells.

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Name the tissues which show the following features : 1. Cells are living , cells show thickening, provides mechanical support to plants 2. Cell are dead, cells show thickening, provides mechanical support to plants, made up of one type of cells 3. Cell are living , cells contain green coloured chloroplast, possess intercellular spaces.

Read the following statements about the living plant tissue which has irregular thickenings and identify the false statement . I. The cell wall is rigid without any intercellular spaces. II.It is found in the form of a single - layered hypodermis of the herbaceous dicotyledonous stem. III. It is mostly found in monocots and roots . IV The main function in provide flexible mechanical support and tensile strength .

ERRORLESS -ANATOMY OF FLOWERING PLANTS-Anatomy Of Flowering Plants
  1. Assertion : Idioblasts are derived from parenchyma. Reason : Secreto...

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  2. Assertion : Growth rings are also called as annual rings. Reason : G...

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  3. When strong wind blows, the plants bend down and then again become ere...

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  4. Quiescent centre is the zone of

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  5. In the tropics there is no sharp distinction of season and the wood co...

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  6. Cuticle is absent in

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  7. Cytologically vascular cambium (lateral meristem ) differs from apical...

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  8. vascular bundles are arranged in a ring in the member of family

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  9. The stems of hydrophytic plants are soft and weak because of the poor...

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  10. A concentric amphivasal (leptocentric) vascular bundle is one in whi...

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  11. Which combination of tissues act together to provide the support to th...

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  12. The bicollateral vascular bundle is the characteristic feature of pla...

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  13. In a dicotyledonous stem, the sequence of tissues from the outside to ...

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  14. The distinct cavities (lacunae) found in a mature vascular bundle of m...

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  15. After preparing a transverse section out of a cut piece of a plant ax...

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  16. Annual rings are the bands of

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  17. If you cut the old trunk of a tree transversely, you will observe th...

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  18. Which of the following is true for the origin of epidermis and hypoder...

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  19. Which of the following is not a part of epidermal tissue system

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  20. Pericycle in roots is responsible for

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