Assertion : Sponge and Delfin are chemical methods of contraception.

Reason: Diaphragms and cervical caps are disposable barrier method of contraception.

Dear student,
Please find below the answer:

Assertion is false but reason is true.
Mechanical barriers of birth control do not allow ovum and sperms to meet. Thus, they prevent fertilization. These methods are available for both males and females. Some examples of mechanical barriers are condoms, diaphragms, cervical caps, vaults, sponge, delfin etc.

Chemical method of contraception involves IUCD (Intra-uterine contraceptive device ).

Hope this information clears your doubt.
Regards.
 

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