state gov APPSC Forest/Assistant Beat Officer (ఫారెస్ట్/అసిస్టెంట్ బీట్ ఆఫీసర్) (Pre + Mains) Mock Test 2025 General Science Biology Human body
What happens during menstruation?
1
There is failure of fertilisation of the ovum
2
The uterine lining is shed.
3
The wall of the uterus becomes vascular
4
A mature egg is released from an ovary