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Reproductive Health — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYReproductive Health1 Mark
MCQ
Which one is correct regarding sexually transmitted diseases (STD)?
  • A
    Haemophilia is one of the STD.
  • B
    Genital herpes and sickle cell anaemia are both STD.
  • C
    Chances of a five years old boy contracting a STD are very little.
  • D
    A person may contract syphilis by sharing milk with one already suffering from disease.
✓

Answer

  1. Chances of a five years old boy contracting a STD are very little.

Explanation:

Sexually transmitted infections are more common in 15 - 24 years age group.

Gonorrhoea, syphilis, genital herpes, chlamydiasis, genital warts, trichomoniasis, hepatitis-B and AIDS are some of the common STDs.

Haemophilia is sex-linked recessive disease, which show its transmission from unaffected carrier female to some of male progeny.

Sickle cell anaemia is an autoimmune linked recessive trait in which both the partners are carrier for the gene.

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