3.Reproductive Health
medium

Give differences : Physical barrier method and Chemical barrier method

Option A
Option B
Option C
Option D

Solution

 Physical barrier method Chemical barrier method
$(1)$ These are used to cover the penis in the male or vagina or cervix in the female just before coitus so ejaculation does not occur in vagina. $(1)$ After coitus chemical comes out in the form of cream attache with sperm and foamy substance is formed.
$(2)$ Due to nirodh/barrier sperms are not forwarded further in vagina and fertilization does not take place. $(2)$ $\mathrm{O}_{2}$ capacity of sperms is obstructed so they die and no fertilization takes place.
Standard 12
Biology

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