Year 7 Cells

An organ is:

• another name for a living thing.

• a large part of an animal or plant that does a very important job.

• the part of the body that makes sounds.

• another name for a body.

Organs contain:

• hearts.

• glass.

• tissues.

• newspaper.

In the picture, what is part ‘Z’?

• stomach

• kidney

• hand

• lung

What are the kidneys used for?

• To get rid of waste from the body.

• To help us to breathe.

• To help us digest food.

• To make blood.

Microscopes magnify things. This means that they:

• make things look bigger.

• make things look smaller.

• make things look sharp and clear.

• D make things look blurred and fuzzy.

On the drawing of a microscope, what is the name of the part labelled ‘X’?

• stage

• focusing wheel

• objective lens

• base

Look at the diagram of a slide being made. The object you want to look at (Y) is called the:

• focus

• stage

• thingy

• specimen

A certain microscope has two lenses – one is ×5 and one is ×10. What is the total magnification of the microscope?

• ×5

• ×15

• ×10

• ×50

On this drawing of an animal cell, what is part labelled W?

• cell surface membrane

• chloroplast

• nucleus

• heart

Which part do plant cells have but animal cells do not?

• cell wall

• cytoplasm

• blood

• cell surface membrane