HORTICULTURE

Detailed explanation-1: -Endocarp (from Greek: endo-, “inside” +-carp, “fruit") is a botanical term for the inside layer of the pericarp (or fruit), which directly surrounds the seeds.

Detailed explanation-2: -Sclereids are cells with hard, tough cell walls. Sclereid cells can coalesce and cover other plant parts. For instance, they form the hard covering around the seeds (the endocarp) of stone fruits like cherries, the hard shell around walnuts, and the hard covering of coconut.

Detailed explanation-3: -Note: The characteristic feature of drupe fruit is the presence of stony endocarp, fleshy mesocarp and membranous exocarp. Mango, peach, plum come under the category of drupe fruits.