Multiple choice Which of the following organisms have bacteriochlorophylls a, b, c, g and f? Purple and green sulphur bacteria Red alga and rhodophyta Brown algae Green algae and higher plants Reveal answer Fill a bubble to check yourself A Correct answer Explanation Bacteriochlorophylls a, b, c, g and f occur in various phosynthetic bacteria. They carry on photosynthesis but do not produce oxygen. These types of chlorophyll are found in green and purple sulphur bacteria and other photosynthetic bacteria.