Describe the menstrual cycle in terms of changes in the ovaries and in the lining of the uterus
Describe the menstrual cycle in terms of changes in the ovaries and in the lining of the uterus
1 Answer
Questions and Answers For
IGCSE Biology
322 Questions
1 Answer State that some pathogens and toxins can pass across the placenta and affect the fetus
State that some pathogens and toxins can pass across the placenta and affect the fetus
1 Answer Describe the function of the placenta and umbilical cord in relation to the exchange of dissolved nutrients, gases and excretory products between the blood of the mother and the blood of the fetus
Describe the function of the placenta and umbilical cord in relation to the exchange of dissolved nutrients, gases and excretory products between the blood of the mother and the blood of the fetus
1 Answer Identify on diagrams and state the functions of the following in the development of the fetus: umbilical cord, placenta, amniotic sac and amniotic fluid
Identify on diagrams and state the functions of the following in the development of the fetus: umbilical cord, placenta, amniotic sac and amniotic fluid
1 Answer State that in early development, the zygote forms an embryo which is a ball of cells that implants into the lining of the uterus
State that in early development, the zygote forms an embryo which is a ball of cells that implants into the lining of the uterus
1 Answer Compare male and female gametes in terms of: size, structure, motility and numbers
Compare male and female gametes in terms of: size, structure, motility and numbers
1 Answer Explain the adaptive features of egg cells, limited to: energy stores and the jelly coat that changes at fertilisation
Explain the adaptive features of egg cells, limited to: energy stores and the jelly coat that changes at fertilisation
1 Answer Explain the adaptive features of sperm, limited to: flagellum, mitochondria and enzymes in the acrosome
Explain the adaptive features of sperm, limited to: flagellum, mitochondria and enzymes in the acrosome
1 Answer Describe fertilisation as the fusion of the nuclei from a male gamete (sperm) and a female gamete (egg cell)
Describe fertilisation as the fusion of the nuclei from a male gamete (sperm) and a female gamete (egg cell)
1 Answer Identify on diagrams and state the functions of the following parts of the female reproductive system: ovaries, oviducts, uterus, cervix and vagina
Identify on diagrams and state the functions of the following parts of the female reproductive system: ovaries, oviducts, uterus, cervix and vagina
1 Answer
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