Multiple choice What is phycology? The study of amoeba The study of shelled animals The study of algae The study of bacteria Reveal answer Fill a bubble to check yourself C Correct answer Explanation Phycology is the branch of biology that studies algae. The term comes from the Greek word 'phykos' meaning seaweed or algae. It is distinct from bacteriology (study of bacteria) and protozoology (study of protozoa).