WorksheetsHuman growth and development
Total questions: 10
Worksheet time: 5mins
True or False: A zygote has 23 chromosomes in total.
True
False
What does a fertilized egg attach to after it is fertilized?
vagina
cervix
uterus
fallopian tubes
Pregnancy occurs because of the fertilization of the _______.
egg by sperm
sperm by the egg
While other cells have 23 pairs or 46 _________, the egg cell and sperm cell have only 23.
cells
genes
chromosomes
Sexual reproduction is vital to the propagation of the Human race. Which of the following sequences represents the correct order of events in the formation of a human fetus?
Zygote → Blastocyst → Embryo → Fertilization
Fertilization → Zygote → Blastocyst → Embryo
Blastocyst → Embryo → Differentiation → Zygote
Fertilization → Growth → Differentiation → Zygote
In which of the following structures of the female human reproductive system is the blastocyst implanted during normal human development?
Ovary
uterus
vagina
amniotic sac
The diagram below represents some stages of early embryonic development. Which process is represented by the arrows in the diagram?
meiosis
Mitosis
Fertilization
Evolution
How many trimesters are there in a pregnancy?
2
3
5
9
This clear, yellow fluid surrounds the fetus as it develops:
lanugo
vernix
amniotic fluid
plasma
