<prompt> Specific diagnosis of ascaris is made by -a Adult worm in stool b Egg detectionc Antigen detectiond Antibody detectione Skin testacdbcdabcabd  <response>: Laboratory diagnosis of AscariasisParasitic diagnosis:Demonstration of characteristic Ascaris eggs in the stool: Eggs are passed in large numbers.Concentration of stool by Salt floatation and Formalin-ether method- light infectionsDemonstration of egg in bile duodenal intubationDemonstration of adult worm in stool vomitus- after treatment with antihelminthics.Demonstration of larvae in gastric aspirate, sputum or bronchial aspirates pulmonary infectionsSerodiagnosis- In case extraintestinal AscarisisAntibody detection byMicroprecipitation on the larvaeIndirect hemagglutination testImmunofluorescent antibody test. 