Question

Differentiale between Collenchyma and Parenchyma​

Answer 1

Answer:

Parenchyma Cells

• Originate from ground and protoderm meristems
• Found in every delicate plant part
• Living and unspecialized cells
• Isodiametric generally, may vary in shape
• Present and thin-walled
• Present and thin-walledMade of cellulose
• Present between cells
• Food storage
• Food storageGaseous exchange
• Photosynthesis

Collenchyma Cells

• Originate from pro-cambium. Epidermal layer of plants are composed of collenchyma cells
• Specifically found in leaves, stems and petioles
• Living and specialized cells
• Elongated cells
• Present, uneven cell wall
• Present, uneven cell wallMade of pectin and hemicellulose
• Less space present
• Renders mechanical support
• Renders mechanical supportElasticity

Answer 2

Collenchyma:- Collenchyma, in plants, support tissue of living elongated cells with irregular cell walls. ... Collenchyma cells mainly form supporting tissue and have irregular cell walls. They are found mainly in the cortex of stems and in leaves. The major function of sclerenchyma is support.


Parenchyma:- 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. Parenchyma is one of the three main types of ground, or fundamental, tissue in plants, together with sclerenchyma (dead support tissues with thick walls) and collenchyma (living support tissues with irregular walls).


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