Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Biology Human body
Identify the incorrect statement.
1
Menarche is the start of menstruation.
2
It usually occurs after 28 to 30 days.
3
Once started, it keeps happening through out the lifetime.
4
More than one of the above
5
None of the above