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प्रश्न
Write the functions of parenchyma, collencyma and sclerenchyma.
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उत्तर
Functions of parenchyma:
(i) The main function of parenchyma is to store and assimilate food. Hence, they are referred to as food storage tissues.
(ii) It serves as a packing tissue to fill the spaces between other tissues and maintain the shape and firmness of the plant.
(iii) It stores waste products of plants.
Functions of collenchyma:
(i) It is a mechanical tissue and provides mechanical support and elasticity to the stems of dicot plants.
(ii) If its cells possess chloroplast, then it is involved in manufacturing sugar and starch.
(iii) It provides tensile strength and flexibility to the plant body.
Function of sclerenchyma:
(i) It provides mechanical strength to the plant.
(ii) It is involved in providing protection and strength to the plant body.
(iii) It makes the plant body rigid, flexible, and elastic.
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संबंधित प्रश्न
What are the functions of xylem?
Study the diagram given below and then answer the question that follows:
State the function of the parts labelled 1, 2, 3 and 4.
Give the structure and function of the following:
Phloem
Name the tissue associated with the following:
Conduction of water in the plant body.
Write 'True or False' for the following statement:
A vascular bundle conducts prepared food only.
Write 'True or False' for the following statement:
A tracheid is longer than a vessel.
Differentiate between Xylem and Phloem functioning
While doing work and running, you move your organs like hands, legs, etc. Which among the following is correct?
Match the column (A) with the column (B)
| (A) | (B) | ||
| (a) | Parenchyma | (i) | Thin walled, packing cells |
| (b) | Photosynthesis | (ii) | Carbon fixation |
| (c) | Aerenchyma | (iii) | Localized thickenings |
| (d) | Collenchyma | (iv) | Buoyancy |
| (e) | Permanent tissue | (v) | Sclerenchyma |
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is ______.
