Ribosomes are concerned with protein synthesis.
Golgi Apparatus is concerned with processing and packaging of materials coming from endoplasmic reticulum.
Lysosomes are concerned with intracellular digestion. Hence, this option is correct.
Smooth endoplasmic reticulum (SER) is concerned with lipid synthesis.
Lysosomes are concerned with intracellular digestion. Hence, this option is correct.