write a short note on p a r e n c h y m a
Answers
Parenchyma makes up the chloroplast-laden mesophyll (internal layers) of leaves and the cortex (outer layers) and pith (innermost layers) of stems and roots; it also forms the soft tissues of fruits. Cells of this type are also contained in xylem and phloem as transfer cells and as the bundle sheaths that surround the vascular strands. Parenchyma tissue may be compact or have extensive spaces between the cells.
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Answer:
Parenchyma, in plants, tissue typically composed of living cells that are thin-walled, unspecialized in structure, and therefore adaptable, with differentiation, to various functions. The cells are found in many places throughout plant bodies and, given that they are alive, are actively involved in photosynthesis, secretion, food storage, and other activities of plant life.
Explanation:
Parenchyma
1. It has few layers of cells which form basic packing tissue.
2. It forms the bulk of a plant body and is a fundamental tissue.
3. Large intercellular spaces are found in these tissues.
4. The Parenchyma of stems and roots store food nutrients and water.
5. parenchtmatous tissue stores waste products of plants such as tanin, gum, crystals, resins or inorganic waste, etc.
Types of parenchyma
Aerenchyma- present in aquatic plants for buoyance
Chloronchyma- parenchyma cells capable for photosynthesis
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