When embryonic development is completed in mother but the embryo not accept nutritent from mother, which is known as
ovoviparous
viviparous
oviparous
All of these
A.
ovoviparous
Ovoviviparous animals produce young ones by means of eggs which are hatched within the body of the parent without the formation of placenta.
Viviparous animals produce the young ones inside the body of the parent alongwith the formation of placenta.
Oviparous animals produce young ones by means of eggs which are hatched after they have been laid by the parent.
Corpus luteum in mammals occurs in
brain and connects two cerebral hemispheres
ovaries and produces progesterone
heart and initiate contraction
skin and acts as a pain receptor
Which of the following embryonic membranes structure is excretory in function?
Amnion
Allantois
Yolk sac
Vitelline chorion
Bartholin's glands are situated
on either side of vagina in humans
on either side ofvas deferens in humans
on the sides of the head of some amphibians
at the reduced tail end of birds
Process of maturation and development of sperms is called
oogenesis
spermatogenesis
spermiogenesis
None of these
