Diversity in Cells
Diversity in Cells: Overview
This topic explains different types of cells based on their size, shape and number. It discusses the special characteristics of these cells and also differentiates organisms based on the numbers of cells present in the organism.
Important Questions on Diversity in Cells
Do you think the cells of an elephant would be larger than the cells of a rat? Explain briefly.

What are the advantages for a cell to have a small size.

What would happen if cells were big?

The bacterial cell is the _____ cell which measures about to . (largest/ smallest)


Cells were not discovered before the late 17th century. Why?

With the help of examples, describe how cells vary in numbers, shapes and sizes.

Muscle cells are thin, long and pointed at both the ends.

Draw a neat labeled diagram of a nerve cell.

Describe the structural features of Amoeba.

What is the role of the pseudopodia in nutrition and locomotion in Amoeba?

Name the following:
Shape of white blood cells.

Which of the following statements are true for cells?

Which part of its cell does the amoeba use for acquiring food?

The shape and size of a cell are related to its _____. (structure/function)

Name any two cells that are visible to the naked eye.

Cells vary in their shape. Justify this statement by drawing three different cells of different shapes.

Change one word to make the sentence true.
The smallest cell in the human body is the nerve cell.

Nerve cell is the longest cell.

Explain that the sizes of cell vary from cell to cell.
