Draw neat and labelled diagrams of a sperm and ovum. Answer the following questions:
(a) Is a sperm and an ovum unicellular or multicellular ?
(b) Name the organ of the human body where these gametes are produced.
(c) Name the process of the fusion of these gametes.
(d) Name the organ where the fusion of these gametes take place.
(e) What is formed by the fusion of the sperm and ovum ?
Labelled diagrams of a sperm and ovum are shown below:
Sperm
Ovum
(a) A sperm and an ovum are unicellular.
(b) In males, the testes produce male gametes (sperms), and in females, the ovaries produce female gametes (eggs).
(c) Fertilisation.
(d) The fusion of male and female gametes in humans takes place in the fallopian tube.
(e) Zygote is formed by the fusion of the sperm and ovum.