gcse Biology

Bangor University revision guide

biology year 10

Here is a link to Biology past papers on the WJEC website.

Check cells stained with Methylene blue

Onion cells stained with Iodine


Cheek cells are typical animal cells, they have a cell membrane, cytoplasm and a nucleus.


Onion cells are plant cells, they have a cell wall, cell membrane, cytoplasm, nucleus and vacuole.

Plant cell

animal cell