(8) Column 1
Column II
(1) Mechanical means (a) Saheli
(2) Physiological device (b) Jellies
(3) Chemical device (c) Vasectomy
(4) Permanent method (d) Diaphragm
Answers
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Answer:
1-B
2-D
3-A
4-C
Explanation:
All these are given in NCERT just read thoroughly
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