The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for
Escaping any possible compression by the visceral organs
Providing more space for the growth of epididymis
Providing a secondary sexual feature for exhibiting the male sex
Maintaining the scrotal temperature lower than the internal body temperature
In a human foetus the limbs and digits develop by the end of
The amniotic fluid is taken out with the help of surgical needle and separation of the embryo cells present in this fluid is done by
Assertion : Mammalian ova produces hyaluronidase.
Reason : The eggs of mammal are microlecithal and telolecithal.
In determinate cleavage, the spindle is
The breakage of the membrane surrounding the acrosome in a mammalian sperm is