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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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