Describe three manners in which fertilisation of human ovum by a sperm

1.	Describe three manners in which fertilisation of human ovum by a sperm can be prevented.
Answer» Fertilisation of human ovum by a sperm can be prevented by the following methods: (a) Condoms act as barriers made of thin rubber or latex sheath. These are used to cover the penis in the male or vagina and cervix in females. (b) Diaphragm, cervical caps and vaults are the barriers made of rubber that are introduced in the female reproductive tract to cover cervix. (c) Spermicidal creams, jellies and foams are introduced in vagina to kill the sperms.

Describe three manners in which fertilisation of human ovum by a sperm can be prevented.

Answer»

Fertilisation of human ovum by a sperm can be prevented by the following methods:

(a) Condoms act as barriers made of thin rubber or latex sheath. These are used to cover the penis in the male or vagina and cervix in females.

(b) Diaphragm, cervical caps and vaults are the barriers made of rubber that are introduced in the female reproductive tract to cover cervix.

(c) Spermicidal creams, jellies and foams are introduced in vagina to kill the sperms.