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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
Similar Questions
Given below are four methods $(A-D)$ and theirmodes of action $(i-iv)$ in achieving contraception. Select their correct matching fromthe four options that follow
| Method | Mode of Action |
| $(A)$ The pill | $(i)$ Prevents spermsreaching cervix |
| $(B)$ Condom | $(ii)$ Prevents implantation |
| $(C)$ Vasectomy | $(iii)$ Prevents ovulation |
| $(D)$ Copper $T$ | $(iv)$ Semen contains no sperms |
