Human reproductionIB MYP Biology: Mind map

Exam questions on Human reproduction

1. A health educator in Nairobi is running a workshop for Year 9 students on how the human reproductive systems work. She uses the terms testes, sperm duct, ovary, oviduct and uterus.
   Outline two ways in which a sperm cell is adapted for its function.2 marks
2. At an antenatal class in Seoul, a midwife explains how a pregnancy develops over about nine months, from fertilisation through to birth. She pays particular attention to the placenta and to what a pregnant woman should avoid.
   Explain why a pregnant woman is advised not to smoke or drink alcohol.2 marks
3. A school nurse in Lagos gives a talk to Year 8 students about puberty and the menstrual cycle. She explains that sex hormones, carried in the blood, cause the changes of puberty, and that a typical menstrual cycle lasts about 28 days, with day 1 being the first day of bleeding.
   State the name of the main sex hormone in boys and describe two changes it causes at puberty.3 marks