The most distinctive feature of pathogenic Entamoeba histolytica on fresh stool examination is -
Ans. is 'b' i.e., Erythrophagocytosis . The presence of red blood cells in the cytoplasm (erythrophagocytosis) is diagnostic of E. histolytica as it is the only intestinal amoeba to exhibit this characteristic.
Presence of active pseudopodia
Erythrophagocytosis
Presence of intracytoplasmic vacuole
Presence of two nucleoli