Reproductive system

How many individuals are involved in sexual reproduction?

• 0

• 1

• 2

• 3

Tags

NGSS.HS-LS3-2

Which of the following is the male animal gamete?

• Sperm

• Egg

• Pollen

• Teste

Which of the following is the female animal gamete?

• Sperm

• Egg

• Pollen

• Teste

Which gamete is larger in size?

• Egg

• Sperm

Which gamete is produced in larger numbers?

• Egg

• Sperm

What is produced following fertilisation?

• Embryo

• Foetus

• Zygote

• Baby

How many chromosomes are inside the nucleus of a sperm?

• 46

• 23

Human eggs are usually fertilized in the

• Uterus

• Ovary

• Oviduct

• Cervix

A fertilized egg develops in the

• the cervix

• the uterus

• an ovary

• the vagina

Which of the following is NOT true about the placenta?

• The placenta protects baby from drugs the mother uses.

• The mother's blood does not mix with the baby's blood in the placenta.

• Waste is passed from the embryo through the placenta into the mother's blood.

• The placenta prevents some diseases from spreading from the mother to the embryo.

Tags

NGSS.MS-LS1-3