<prompt> VDRL is a -Slide flocculation testTube floccolation testGel precipitation testIndirect haemagglutination test  <response>: The VDRL test for syphilis is an example of a slide flocculation test. When a drop each of the antigen and the antiserum are placed on a slide and mixed by shaking, floccules appear. Reference: Anathanarayan panikers 9th edition, pg no: 106 p 