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STD 12 - 3. reproductive health — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 3. reproductive health1 Mark
MCQ
What is the use of condoms?
  • A
    Decreases sperm motility
  • B
    Increases sperm motility
  • C
    Barrier to prevent fusion of sperm and ova
  • D
    Increases phagocytosis
✓

Answer

c
Barrier MethodsThese methods prevent the contact of sperm and ovum with the help of barriers. Such methods are $(i)$ Condoms are the barriers made of thin rubber/latex sheath used to cover the penis in the male or vagina and cervix in female. It prevents the deposition of the ejaculated semen into the vagina of the female. $(ii)$ Diaphragms, cervical cap and vaults are the barriers made of rubber that are inserted into the female reproductive tract to cover the cervix during coitus. $(iii)$ Spermicidal creams, jellies and foams are used along with these barriers to increase their contraceptive efficiency

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