P5 Science · Chapter 1brightbit.net/worksheets
Cells
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What is the basic unit of all living things?
(a) Tissue(b) Organ(c) Cell(d) Organism
- 2.
Which part of the cell controls all cell activities?
(a) Cell wall(b) Vacuole(c) Nucleus(d) Cell membrane
- 3.
Which structure is found in plant cells but NOT in animal cells?
(a) Nucleus(b) Cell membrane(c) Cell wall(d) Cytoplasm
- 4.
What is the function of the cell membrane?
(a) Produces energy for the cell(b) Controls what enters and leaves the cell(c) Stores water and nutrients(d) Makes food for the cell
- 5.
Which organelle is responsible for photosynthesis in plant cells?
(a) Vacuole(b) Chloroplast(c) Mitochondria(d) Nucleus
- 6.
What is cytoplasm?
(a) The fluid that fills the nucleus(b) A jelly-like substance that fills the cell(c) The outer layer of the cell(d) Structures that produce energy
- 7.
A student observes two cells under a microscope. Cell A has a large central vacuole and a cell wall. Cell B has no cell wall. Which type of cells are these?
(a) Both are plant cells(b) A is a plant cell; B is an animal cell(c) A is an animal cell; B is a plant cell(d) Both are animal cells
- 8.
State ONE similarity between plant cells and animal cells.
- 9.
Red blood cells do not have a nucleus. Suggest why this is an advantage.
- 10.
Which of the following correctly describes the relationship: cells → tissues → organs → organ systems → organism?
(a) Cells are the largest; organisms are the smallest(b) This shows increasing levels of organisation in living things(c) Organs are made directly from organisms(d) Tissues are simpler than cells
Answer key — P5 Science: Cells
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- 1.(c) Cell
- 2.(c) Nucleus
- 3.(c) Cell wall
- 4.(b) Controls what enters and leaves the cell
- 5.(b) Chloroplast
- 6.(b) A jelly-like substance that fills the cell
- 7.(b) A is a plant cell; B is an animal cell
- 8.Both have a cell membrane, nucleus, and cytoplasm
- 9.More space to carry oxygen / haemoglobin
- 10.(b) This shows increasing levels of organisation in living things
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