Grade 5 · Science · Unit 3 of 9
Cells: The Basic Unit of Life
Cell parts, needs and jobs
What your child practises
Cells as the basic unit of life, what living cells need, why cells divide, specialized cells in multicellular organisms, and how organ systems work together.
Nunavut Curriculum approved guide: NWT Science and Technology K–6 (2004), Life science · cells, their needs and division, specialized cells, and organ systems
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
What does the nucleus do?
- controls the cell's activities
- makes sunlight
- stores water for the whole body
controls the cell's activities
Hint: It is the cell's control centre.
Question 2
Which part gives a plant cell its stiff shape?
- nucleus
- cell wall
- cytoplasm
cell wall
Hint: Plant cells have a rigid wall.
Question 3
Muscle cells help the body…
- move
- see light
- carry oxygen
move
Hint: They shorten and relax.
Question 4
The basic unit of life is the…
- atom
- organ
- cell
cell
Hint: All living things are made of cells.
Question 5
What does the cell membrane do?
- makes food from light
- controls what enters and leaves the cell
- keeps the cell perfectly still
controls what enters and leaves the cell
Hint: It is like a gate.
Question 6
The heart, blood vessels and blood form the…
- digestive system
- circulatory system
- skeletal system
circulatory system
Hint: They work together to move blood.