Yeast is not included in protozoans but in fungi because
(a) it has chlorophyll
(b) it shows saprotrophic mode of nutrition
(c) it has eukaryotic organisation
(d) cell wall is made up of cellulose and reserve food material as starch.
The correct option is: (b) it shows saprotrophic mode of nutrition
Explanation:
Saccharomyces, cerevisae or yeast is a unicellular organism that lacks chlorophyll and shows saprotrophic mode of nutrition. It is eukaryotic having chitinous cell wall. All these features are assigned to fungi, hence yeast is included in Kingdom Fungi.
