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.
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.
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.
$A$ -Spermatids formed from secondary spermatocytes.
$R$ -The spermatids are transformed into spermatozoa by the process called spermiogenesis.
Insemination is
Insemination is
Movement of sperm is done by
Movement of sperm is done by
Draw a labeled diagram of a section through ovary.
Draw a labeled diagram of a section through ovary.