CBSE Class 12-science Answered
Describe three ways in which
fertilisation of the human ovum by a sperm can be prevented.
Asked by Topperlearning User | 16 Jun, 2014, 10:52: AM
Expert Answer
Fertilisation of the human ovum by a sperm can be prevented by the following methods:
(a) Condoms made of thin rubber or latex sheath act as barriers. These are used to cover the penis in males or vagina and cervix in females.
(b) Diaphragm, cervical caps and vaults are barriers made of rubber which are introduced in the female reproductive tract to cover the cervix.
(c) Spermicidal creams, jellies and foams are introduced in the vagina to kill sperms.
Answered by | 16 Jun, 2014, 12:52: PM
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