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Plant and Animal Cell Differences — Free MYP2 Sciences Practice Questions
1QuestionComparing Diagrams of Plant vs Animal CellsConcept Practice
2 marks~3 minCriterion A
The diagram shows a plant cell and an animal cell.
a
Identify which cell has a cell wall. [1]
b
Describe one function of the cell wall in that cell. [1]
Solutions
2QuestionImportance of Differences for Life ProcessesAssessment Practice
2 marks~3 minCriterion D
Plant cells contain chloroplasts — structures that capture sunlight to make food through photosynthesis. Animal cells have no chloroplasts.
Describe one real-world application that arises from this difference between plant and animal cells. [2]
Describe one real-world application that arises from this difference between plant and animal cells. [2]
Solutions
3QuestionComparing Diagrams of Plant vs Animal CellsAssessment Practice
6 marks~9 minCriterion C
Three cell samples (X, Y, Z) were examined. The table shows which structures are present (✓) or absent (✗).
Vacuole size (scale 0–10): X = 9, Y = 5, Z = 0
| Sample | Cell wall | Chloroplasts | Vacuole | Nucleus | Mitochondria |
|---|---|---|---|---|---|
| X | ✓ | ✓ | ✓ | ✓ | ✓ |
| Y | ✗ | ✗ | ✓ | ✓ | ✓ |
| Z | ✗ | ✗ | ✗ | ✓ | ✓ |
Vacuole size (scale 0–10): X = 9, Y = 5, Z = 0
a
Identify which sample is most likely a plant cell and which is most likely an animal cell. Give one reason for each choice. [2]
b
Explain why the vacuole in sample X is much larger than the vacuole in sample Y. [2]
c
A student claims sample Z is a prokaryotic cell (a cell type that has no nucleus). Compare the data for sample Z with the features of a prokaryotic cell, and state whether you agree or disagree with the student's claim. Justify your answer. [2]
Solutions
4QuestionFunctions Related to Structure in Both CellsAssessment Practice
4 marks~6 minCriterion B
The table below shows the number of mitochondria (the organelles that produce energy for cells) and average energy use in different cell types.
| Cell type | Mitochondria count | Average energy use (units) |
|---|---|---|
| Muscle cell (mouse) | 1200 | 80 |
| Muscle cell (sheep) | 1500 | 100 |
| Leaf cell (plant X) | 350 | 20 |
a
Identify the relationship between mitochondria count and average energy use. Use two values from the table to support your answer. [2]
b
A bird's flight muscle cell has an average energy use of 150 units. Estimate the number of mitochondria in this cell and explain your reasoning using the relationship between cell structure and function. [2]
Solutions
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