Assertion : During fertilization only head of spermatozoa enters egg.
Reason : If several spermatozoa hit the egg at same time, all can enter the egg.
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
If the Assertion is correct but Reason is incorrect.
If both the Assertion and Reason are incorrect.
Which of the following hormones is not a secretory product of human placenta?
During pregnancy the level of which hormones are increased ?
The persistence of corpus luteum during pregnancy is due to a hormone known as
From where the parturition signals arise-mother or foetus ? Mention the main hormone involved in parturition.
All of the following statements concerning pregnancy are accurate $EXCEPT$