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Worksheets8.4 Fertilisation
Total questions: 11
Worksheet time: 6mins
Where does fertilization occur?
The uterus
The oviduct
The ovary
The fertilised egg is called
zygote
embryo
foetus
Fertilisation is the (a) of two haploid gametes to form a diploid zygote
Fertilisation takes place in the (a) .
What part of an oocyte gets broken down by hyaluronidase?
cytoplasm
zona pellucida
membrane
corona radiata
Choose the correct sequence of events that lead to fertilisation.
Capacitation → membrane fusion → acrosomal reaction → cortical reaction
Cortical reaction → acrosomal reaction → membrane fusion → capacitation
Capacitation → acrosomal reaction → membrane fusion → cortical reaction
Acrosomal reaction → cortical reaction → membrane fusion → capacitation
Meiosis II in the oocyte completes after acrosomal reaction
True
False
Which of these ions is primarily involved in oocyte membrane polarisation?
Na+
K+
Ca2+
Cl-
The hardening of zona pellucida ensures that only one sperm can fertilise an egg at one time.
True
False
Choose TWO enzymes can be found in the sperm's acrosome
Nuclease
Hyaluronidase
Acrosin
Acrosomase
Choose the correct order of events in foetal development.
Blastocyst → Foetus → Zygote → Morula
Zygote → Morula → Blastocyst → Foetus
Morula → Foetus → Blastocyst → Zygote
Zygote → Blastocyst → Morula → Foetus
