CIE iGCSE Co-Ordinated Science B15.4 Sexual reproduction in humans Exam Style Questions Paper 1
Question
The diagram shows the human male reproductive system.
What are the functions of X and Y?
▶️Answer/Explanation
Answer: A
Explanation: X is the urethra, which carries both urine and semen out of the body. Y is the vas deferens, which transfers sperm to the urethra.
Question
The diagram shows the female reproductive system. Where does fertilisation usually occur?
A. A
B. B
C. C
D. D
▶️Answer/Explanation
Answer: A
Explanation: Fertilisation typically occurs in the fallopian tube (oviduct), which is labeled as A in the diagram.
Question
The diagram shows the female reproductive system.
Which labelled part is the cervix?
- A. A
- B. B
- C. C
- D. D
▶️Answer/Explanation
Answer: B. B
Explanation: The cervix is the lower part of the uterus that connects to the vagina. In the diagram, part B represents the cervix.
Question
During the menstrual cycle, an egg is released at ovulation.
The egg passes out of the body if it is not fertilised.
What is the correct order of structures through which the egg passes?
A cervix oviduct uterus vagina
B oviduct uterus cervix vagina
C oviduct vagina cervix uterus
D uterus oviduct vagina cervix
▶️Answer/Explanation
Ans :B
Question
Which row correctly matches a structure with its function in the human reproductive system?
▶️Answer/Explanation
Ans : D
Question
There are different conditions which may prevent a successful pregnancy.
1 failure of ovulation
2 failure of embryo to implant into uterus lining
3 blockage of oviducts preventing fertilisation
The diagram shows the human female reproductive system.
Which locations are involved in each condition?
▶️Answer/Explanation
Ans: C
Question
Which part of the male reproductive system is correctly matched to its function?
▶️Answer/Explanation
Ans : B
Question
The diagram shows the human female reproductive system.
Where is the embryo normally implanted to enable it to develop into a healthy fetus?
▶️Answer/Explanation
Ans: D
Question
The diagram shows the male reproductive system. Which label is pointing to the structure where sperm are produced?
▶️Answer/Explanation
Answer: D. D
Explanation: Sperm are produced in the testes, which are labeled as D in the diagram. The testes are the male reproductive organs responsible for producing sperm and testosterone.
Question
Which row is correct about human gametes?
| site of female gamete production | site of male gamete production | |
|---|---|---|
| A | ovaries | sperm ducts |
| B | ovaries | testes |
| C | oviduct | sperm ducts |
| D | oviduct | testes |
▶️Answer/Explanation
Answer: B. ovaries and testes
Explanation: Female gametes (eggs) are produced in the ovaries, while male gametes (sperm) are produced in the testes. The sperm ducts are involved in transporting sperm, not producing them.