The basic principles of embryonic development were first given by
Weismann
Haeckel
Von Baer
Malthus
C.
Von Baer
Von Baer was the first to give the basic principles of embryonic development. He was the founder of comparative embryology. He gave the Von Baer's law which states during development, an animal departs more and more from the form of other animals.
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
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
Process of maturation and development of sperms is called
oogenesis
spermatogenesis
spermiogenesis
None of these
Which of the following embryonic membranes structure is excretory in function?
Amnion
Allantois
Yolk sac
Vitelline chorion
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
