Fertilization in human beings Practice exercise 1

Study the diagram of the male and female gametes below. Name the male gamete that moves to fertilise the female egg.  (1 mark)

Study the diagram of the male and female gametes below. Name the male gamete that moves to fertilise the female egg.  (1 mark)

Study the diagram of the male and female gametes below. Name the male gamete that moves to fertilise the female egg.  (1 mark)

Study the diagram of the male and female gametes below. Name the male gamete that moves to fertilise the female egg.  (1 mark)

What is fertilisation?   (2 marks)

What is fertilisation?   (2 marks)

What is fertilisation?   (1 mark)

The image below shows the movement of sperm towards an egg. What is the term used for the process where the sperm and egg unite?  (1 mark)

The image below shows the movement of sperm towards an egg. What is the term used for the process where the sperm and egg unite?  (1 mark)

The image below shows the movement of sperm towards an egg. What is the term used for the process where the sperm and egg unite?  (1 mark)

Which structure in the female reproductive system releases the egg that is fertilised by the sperm?  (1 mark)

Which structure in the female reproductive system releases the egg that is fertilised by the sperm?  (1 mark)

Which structure in the female reproductive system releases the egg that is fertilised by the sperm?  (1 mark)

State the name of the first cell that forms immediately after fertilisation in human beings.   (1 mark)

State the name of the first cell that forms immediately after fertilisation in human beings.   (1 mark)

State the name of the first cell that forms immediately after fertilisation in human beings.   (1 mark)

State the name of the first cell that forms immediately after fertilisation in human beings.   (1 mark)

A farmer in Eldoret heard from a doctor that healthy sperm is necessary for fertilisation. Explain two conditions that make sperm healthy enough to achieve fertilisation.  (2 marks)

A farmer in Eldoret heard from a doctor that healthy sperm is necessary for fertilisation. Explain two conditions that make sperm healthy enough to achieve fertilisation.  (2 marks)

The image below shows the structure of a sperm cell. Explain how the parts of the sperm cell help it to reach and fertilise the ovum.  (4 marks)

The image below shows the structure of a sperm cell. Explain how the parts of the sperm cell help it to reach and fertilise the ovum.  (4 marks)

A couple in Nakuru has been trying to conceive, but the doctor discovered that the woman’s fallopian tubes are blocked. Explain how this blockage prevents fertilisation.  (2 marks)

A couple in Nakuru has been trying to conceive, but the doctor discovered that the woman’s fallopian tubes are blocked. Explain how this blockage prevents fertilisation.  (2 marks)

A couple in Nakuru has been trying to conceive, but the doctor discovered that the woman’s fallopian tubes are blocked. Explain how this blockage prevents fertilisation.  (2 marks)

During a school science club trip, learners were told that fertilisation does not happen in the uterus. Explain why fertilisation does not normally occur in the uterus.  (2 marks)

During a school science club trip, learners were told that fertilisation does not happen in the uterus. Explain why fertilisation does not normally occur in the uterus.  (2 marks)

Mary and John are newly married and want to have a baby. The doctor told them that fertilization happens in the fallopian tube. Explain two simple ways they can increase the chances of fertilization.  (2 marks)

Mary and John are newly married and want to have a baby. The doctor told them that fertilization happens in the fallopian tube. Explain two simple ways they can increase the chances of fertilization.  (2 marks)