What do you understand by the term glycosidic linkage?

Answer

The etherel oxyen linlage through which two monosacharids are joined by the loss of a water molecule to form a molecules of disaccharide is called the glycosidic linkage The glycosidi linkage in moltose molecule in shown below
(##RES_ORG_CHM_V02_XII_C04_E01_210_A01##)`.

Explanation

Ninhydrine test is for amino acids. Benedicts test is for aldehydes. Hence the compound must be a monosaccharide.