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Structure and Function of Cells — Free MYP2 Sciences Practice Questions
1QuestionBasic Structure of Plant and Animal CellsConcept Practice
2 marks~3 minCriterion A
The diagram shows a plant cell and an animal cell side by side. Structure is found only in the plant cell.
a
Identify structure . [1]
b
Explain one function of structure in the plant cell. [1]
Solutions
2QuestionBasic Structure of Plant and Animal CellsAssessment Practice
5 marks~8 minCriterion C
Three students looked at the same onion cell slide under a microscope.
Student A: "I see a nucleus, a cell wall, and a large vacuole."
Student B: "I see a cell membrane, chloroplasts, and a nucleus."
Student C: "I see a large vacuole and a cell wall, but no nucleus."
Student A: "I see a nucleus, a cell wall, and a large vacuole."
Student B: "I see a cell membrane, chloroplasts, and a nucleus."
Student C: "I see a large vacuole and a cell wall, but no nucleus."
a
Identify two structures that are always present in a typical onion cell. [2]
b
Explain why Student B's observation is not valid. [2]
c
Compare the observations of Student A and Student C, and state which is more valid. [1]
Solutions
3QuestionBasic Structure of Plant and Animal CellsConcept Practice
2 marks~3 minCriterion B
A student places a plant cell on a microscope slide and adds drops of salt water. The student changes the amount of salt water added each time and observes how the cell looks under the microscope.
a
Identify the independent variable in this investigation. [1]
b
Identify the dependent variable in this investigation. [1]
Solutions
4QuestionBasic Structure of Plant and Animal CellsAssessment Practice
5 marks~8 minCriterion D
A company is designing biodegradable food containers from plant-based materials. Plant cells have a cell wall — a tough outer layer made of cellulose — that animal cells do not have.
a
Identify one structural feature found in plant cells but not in animal cells. [1]
b
Explain how this structural feature makes plant cells suitable for rigid food containers. [2]
c
Compare the suitability of plant cell material and animal cell material for making a flexible sandwich wrapper. [2]
Solutions
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