Ejaculation of human male contains about $200 -300$ million sperms, of which for normal fertility ____ $\%$ sperms must have normal shape and size and at least ____$\%$ must show energetic motility.

  • [AIIMS 2016]
  • A

    $40, \,60$

  • B

    $50, \,50$

  • C

    $60, \,40$

  • D

    $30, \,70$

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