Question

explain about colenChyna according to class 10th​

Answer 1

$\huge\bold{\underline{\sf{\purple{Collechyma"}}}}$

➳The cells of this tissue are living, elongated and in regularly thickened at the corners.

➳ Intercellular space are very little

➳ It occurs below the epidermis in leaf stalks, leaf mid-ribs and herbaceous dicot stems.

➳ It is characterized by deposition of extra cellulose and pectin.

➳ It cells appears to be circular oval or polygonal in cross-section.

➳ Their cell walls have simple pits

➳ They often contain chloroplast

➳ It provides elasticity, rigidity and flexibility to the plant.

Answer 2

Explanation:

Collenchyma, in plants, support tissue of living elongated cells with irregular cell walls. Collenchyma cells have thick deposits of cellulose in their cell walls and appear polygonal in cross section. The strength of the tissue results from these thickened cell walls and the longitudinal interlocking of the cells.