The structure which differentiate gastrula from blastula
3 germ layers
Micromeres
Blastocoel
None of these
In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?
Vaginal orifice, urethral orifice and clitoris are protected by
Given below are two statements:
Statement $I$: The presence or absence of hymen is not a reliable indicator of virginity.
Statement $II$: The hymen is torn during the first coitus only.
In the light of the above statements, choose the correct answer from the options given below :
Write a note on structure of mammary glands.
Explain external and internal structure of uterus.