Question: what are the main parts of a plant cell?
Answer: Cell Wall. It is a rigid layer which is composed of cellulose, glycoproteins, lignin, pectin, and hemicellulose. ... 
Cell membrane. It is the semi-permeable membrane that is present within the cell wall. ... 
Nucleus. ... 
Plastids. ... 
Central Vacuole. ... 
Golgi Apparatus. ... 
Ribosomes. ... 
Mitochondria.