12th Class Biology Sample Paper Biology Olympiad Sample Paper-1

  • question_answer
    Which of the following statements regarding birth control are not true?
    Saheli, a new oral contraceptive for females was developed by scientists at Central Drug Research Institute (CDRI), Delhi.
    Lactational amenorrhoea method is based on the fact that ovulation and therefore the menstrual cycle do not occur during the period of intense lactation following parturition. Therefore, as long as the mother breast feeds the child fully, chances of conception are almost nil.
    Diaphragms, cervical caps and vaults are intrauterine devices.
    Vasectomy and tubectomy are surgical removal of ovaries and testes respectively. Both these methods are reversible.

    A)  [a] and [b]          

    B)    [c] and [d]

    C)  [a], [c] and [d]

    D)  All of these

    Correct Answer: C


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