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

    $30, \,70$

Similar Questions

Assertion : Head of sperm consists of acrosome and mitochondria.

Reason : Acrosome contains spiral row of mitochondria.

  • [AIIMS 2014]

$A$ -Spermatids formed from secondary spermatocytes.

$R$ -The spermatids are transformed into spermatozoa by the process called spermiogenesis.

Insemination is

Movement of sperm is done by

Draw a labeled diagram of a section through ovary.