Biology · Human Reproduction and Reproductive Health
Match the contraceptive devices in Column I with their correct modes of action in Column II: Column I P. Lippes loop Q. Multiload 375 R. Subcutaneous Norplant S. Saheli Column II i. Inhibition of ovulation ii. Phagocytosis of sperms in uterus iii. Thickening of cervical mucus iv. Release of copper ions inhibiting sperm motility
- 1P - iv, Q - iii, R - ii, S - i
- 2P - iii, Q - i, R - iv, S - ii
- 3P - i, Q - ii, R - iii, S - iv
- 4P - ii, Q - iv, R - iii, S - i✓
Correct answer
P - ii, Q - iv, R - iii, S - i
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