Intracellular digestion occurs when food is digested

a) inside specialized cells
b) outside cells in a digestive system
c) in the spaces between cells
d) outside the body

a) inside specialised cell.

Explanation:

Intracellular digestion is a form of digestion which takes place inside the cell, in fact in the cytoplasm of the cell. In this type of digestion complex materials are broken into smaller parts within a cell. For examples, in unicellular organisms such as Paramecium and Amoeba, intracellular digestion occurs to get nutrients from the food.