KS3 reproduction

1. During puberty, which of the following changes occur in both males and females?

• a) Voice deepening
• b) Breast development
• c) Testicle enlargement
• d) Menstruation

2. Which of the following is a function of the ovaries in the human reproductive system?

• a) Production of sperm
• b) Transport of sperm
• c) Production of ovum
• d) Removal of waste

3. In animals, fertilisation occurs when:

• a) The sperm and egg fuse together
• b) The sperm and egg meet
• c) The sperm penetrates the ovary
• d) The egg is released from the uterus

4. Which of the following describes the process of pregnancy in humans?

• a) A fertilised egg implants in the uterus and develops into a foetus over 9 months
• b) A fertilised egg is released from the uterus and develops into a foetus over 9 months
• c) A fertilised egg implants in the ovary and develops into a foetus over 9 months
• d) A fertilised egg is released from the ovary and develops into a foetus over 9 months

5. Which of the following substances can negatively impact the growth of a foetus?

• a) Caffeine
• b) Vitamin C
• c) Iron
• d) Calcium

6. Which of the following is a stage of the menstrual cycle in humans?

• a) Ejaculation
• b) Implantation
• c) Ovulation
• d) All of the above

7. Infertility can occur due to which of the following factors?

• a) Hormonal deficiency
• b) Age
• c) Physical abnormality
• d) All of the above

8. Which of the following parts of a flower is responsible for producing seeds?

• a) Stamen
• b) Carpel
• c) Sepal
• d) Anther

9. Which of the following is a method of seed dispersal?

• a) Wind
• b) Water
• c) Animals
• d) All of the above

10. Why are insects important for pollination and food security?

• a) They help to spread sperm between plants
• b) They help to control pests that can damage crops
• c) They help to fertilise animals, leading to increased yields
• d) All of the above