Microbiology parasitology 58e52b30 Which of the following organism is biggest - A Balantidium coli B Entamoeba coli C Escherichia coli D Entamoeba histolytica High-Yield Explanation largest protozoal parasite of human Lives in large intestine Two stages- trophozoite and cyst (refer pgno:82 baveja 3 rd edition )