Which are the most primitive group of algae? A) Blue green algae B) Red algae C) Brown algae D) Green algae Related MCQs: Most primitive type of stele found in pteridophytes is: How many possible phenotypes are there for ABO bleed group? Marlowe’s primitive tragedy was ……? The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?