Cells and Microscopes Practise Test

Year 8 Science Cells and Microscopes


Name:
___________________________________________



Section A—Multiple choice (10 40
marks)
1 Which of the following is not a principle of cell theory?
A. They are the basic unit of life
B. They come from pre-existing cells
C. They make up all living things
D. They are only found in animals
2 The images below depict a stained cheek cell and stained onion cell
at x400.
Use the images to assist you in answering questions 2 and 3.




The main difference between the onion and cheek cell is:
A. The cheek cells are bigger than the onion cell
B. The onion cell has a cell membrane and the cheek cell has a
cell wall
C. The cheek cell has a cell membrane, but the onion cell does
not
D. The onion cell has both a cell membrane and cell wall,
whereas the cheek cell only has a cell membrane
3 There is evidence in both diagrams that:
A. Cheek and onion cells are prokaryotic

, B. Cheek and onion cells are plant cells
C. Cheek and onion cells are eukaryotic
D. Cheek and onion cells are treated with the same stain
4




The photomicrograph above was likely taken using which type of
microscope?
A. An electron microscope
B. A compound light microscope
C. A magnifying glass
D. A dissecting light microscope
5 The main function of the smooth endoplasmic reticulum is:
A. To create lipids (fats)
B. To store water
C. To provide structure to the cell
D. To carry out photosynthesis
6 The organelle that attaches to the rough endoplasmic reticulum is
the:
A. lysosome
B. ribosome
C. vacuole
D. mitochondria
7 Which of the following defines a prokaryote?
A. A single celled organism that has no membrane bound
organelles
B. A multicellular organism that has no membrane bound
organelles
C. An organism that has a nucleus and a chloroplast