HORTICULTURE

Detailed explanation-1: -Sclerenchyma tissue, when mature, is composed of dead cells that have heavily thickened walls containing lignin and a high cellulose content (60%–80%), and serves the function of providing structural support in plants.

Detailed explanation-2: -Collenchyma tissue is composed by elongated living cells of uneven primary thick walls, which possess hemicellulose, cellulose, and pectic materials. It provides support, structure, mechanical strength, and flexibility to the petiole, leaf veins, and stem of young plants, allowing for easy bending without breakage.

Detailed explanation-3: -So, the correct answer is ‘Sclerenchyma and Collenchyma’.

Detailed explanation-4: -Sclerenchyma cells are specialized plant cells that exist to provide strength and support and are found at the stem, roots and even seed coats of some plants.

Detailed explanation-5: -sclerenchyma, in plants, support tissue composed of any of various kinds of hard woody cells. Mature sclerenchyma cells are usually dead cells that have heavily thickened secondary walls containing lignin.