Cell Shape and Size

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?

Amoeba is a multicellular organism.

An example of a unicellular organism is

The bacterial cell is the _____ cell which measures about $0.2\mu$ to $0.5\mu$. (largest/ smallest)

What is micron?

Fill in the blanks using the words given below.

(Mycoplasma, microscope, nucleus, ostrich egg, cytoplasm, lysosome, mitochondria, Robert Hooke, plant, cell membrane)

The instrument used to see tiny objects is called a _____.

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.

Name the following:

Shape of white blood cells. 

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

What instrument do we need to see a unicellular organism?

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

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

Differentiate between temporary and permanent slides.

A thin section of a specimen is taken for viewing it through a microscope because

Nerve cell is the longest cell.