Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Biology Human body
Cu++ released from copper releasing intra uterine devices,
1
Makes uterus unsuitable for implantation
2
Increases phagocytosis of sperms
3
Suppresses sperm mobility
4
More than one of the above
5
None of the above