Which is the largest cell in the human body: sperm or ovum?

Write functions of cell membrane.

Why does a red blood cell not reproduce?

Mention the size of an ostrich egg. Is it a single cell or a group of cells?

Draw a labelled diagram to show the general structure of an eukaryotic cell.

Plant and animal specimens are usually stained with dyes before observing them. Give reasons and name one dye used for this purpose.

In the organisation of multicellular organisms, what are the lower levels of organisation?

Write the differences between plant cell and animal cell.