1Write four differences between the cell wall and the cell membrane.
2Why is a mitochondrion called the power house of the cell?
3How many kinds of plastid are there? Write one function of each.
4Why is a lysosome called a suicidal bag?
5What is cytoplasm? Write its functions.
6Distinguish between cell organelles and cell inclusions, and give two examples of each.
7Why is the endoplasmic reticulum called the endoskeleton of the cell?
8What kinds of vacuole are there? Write what each of them does.
9Where are ribosomes found, and what work do they do?
10How does the covering of an animal cell differ from that of a plant cell?