Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Biology Human body
In the menstrual cycle, lowering of which hormone causes menstruation?
1
Progesterone
2
Thyroxine
3
Estrogen
4
More than one of the above
5
None of the above