Step 1: Concept
Different organisms store energy in different carbohydrate forms.
Step 2: Meaning
Starch is for plants; glycogen is the storage polysaccharide for animals and fungi (like yeast).
Step 3: Analysis
Yeast, being a fungus, stores glucose in the form of highly branched glycogen.
Step 4: Conclusion
The carbohydrate in yeast is glycogen.
Final Answer: (E)