<prompt> All the following types of hypersensitivity reactions can be demonstrated by skin test except -Type IType IIType IIIType IV  <response>: Type II hypersensitivity reaction is initiated by IgG or rarely IgM antibodies that react either with cell surface or tissue antigen. Cell or tissue damage occurs in the presence of complement or mononuclear cells. Thus it cannot be elicited by skin test. Reference : Anathanarayan panikers 9th edition, pg no: 166,162 p 