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Reproductive Systems Introductory — Free MYP1 Sciences Practice Questions
1QuestionFertilization and Development SimplifiedConcept Practice
2 marks~3 minCriterion A
The images below show three stages of fertilization in the wrong order.
Image A: a sperm cell is close to an egg cell.
Image B: a fertilized egg is starting to divide.
Image C: a sperm cell is fusing with an egg cell.
Image A: a sperm cell is close to an egg cell.
Image B: a fertilized egg is starting to divide.
Image C: a sperm cell is fusing with an egg cell.
a
Identify the correct order of Images A, B, and C. [1]
b
Describe what is happening in Image C using the words sperm, egg, and fuse. [1]
Solutions
2QuestionBasic Stages of Human ReproductionAssessment Practice
5 marks~8 minCriterion C
A scientist placed fertilised eggs into two groups of rabbits. Group A had a healthy uterine lining. Group B had a damaged uterine lining.
Group A: 8 out of 10 eggs attached to the uterine lining.
Group B: 2 out of 10 eggs attached to the uterine lining.
Group A: 8 out of 10 eggs attached to the uterine lining.
Group B: 2 out of 10 eggs attached to the uterine lining.
a
Identify which group had more eggs successfully attach to the uterine lining. [1]
b
Describe what the data show about how the condition of the uterine lining affects attachment of the egg. [2]
c
Describe one way the results from this experiment with rabbits may not apply to humans, and one reason why using only 10 eggs per group may be a problem. [2]
Solutions
3QuestionFertilization and Development SimplifiedConcept Practice
2 marks~3 minCriterion A
The diagram shows a simplified egg cell (ovum) with three parts labelled A, B, and C.
a
Identify which label, A, B, or C, points to the nucleus. [1]
b
Describe one job the nucleus does inside the egg cell. [1]
Solutions
4QuestionBasic Stages of Human ReproductionConcept Practice
2 marks~3 minCriterion B
A scientist wants to find out how much water pregnant mice need each day. She gives three groups of mice either 10 mL, 20 mL, or 30 mL of water daily. All mice eat the same food and live in the same type of cage.
a
Identify the independent variable and the dependent variable in this investigation. [1]
b
Describe why it is important to keep the food the same for all groups of mice. [1]
Solutions
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