Question

When animals eat, the food is stored and digested in the stomach or a similar structure. But when a unicellular organism like this paramecium eats, the food is stored in which organelle

Answer 1

When a unicellular organism like this paramecium eats, the food is stored in the  MITOCHONDRIA

Answer 2

vacuole

"vacuole in cells have three main functions which are to provide the plant with support or rigidity, a storage area for nutrients and waste matter and can decompose complex molecules, In plant cells, the vacuole also can store water."