Question

Why are lysosomes known as 'suicide-bag' of a cell?

Answer 1

 They contain membrane-bound sacs with powerful digestive enzymes
(enzymes are made by RER) to digest the worn-out cell organelles. When the cell
gets damaged, lysosomes may burst and the enzymes digest their own cell, hence
called as “Suicidal bags of a cell”

Answer 2

They contain some destructive enzymes which can digest the whole cell.So they are called as "sucidal bags of the cell".