Question
| Column I | Column II |
| (1) Mechanical means | (a) Saheli |
| (2) Physiological device | (b) Jellies |
| (3) Chemical device | (c) Vasectomy |
| (4) Permanent method | (d) Diaphragm |
| Column I | Column II |
| (1) Mechanical means | (a) Saheli |
| (2) Physiological device | (b) Jellies |
| (3) Chemical device | (c) Vasectomy |
| (4) Permanent method | (d) Diaphragm |
| Column I | Column II |
| (1) Mechanical means | (d) Diaphragm |
| (2) Physiological device | (a) Saheli |
| (3) Chemical device | (b) Jellies |
| (4) Permanent method | (c) Vasectomy |
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| Column A | Column B |
| (1) Frederick Griffith | (a) Test tube assay |
| (2) Avery, McCarty and MacLeod | (b) Streptococcus pneumoniae |
| (3) Alfred Hershey and Martha Chase | (c) E. coli |
| (4) Meselson and Stahl | (d) Bacteriophages |
| Column I (Biofortified crop) | Column II (Nutrient Enrichment) |
| (1) Maize | (a) Five times more iron |
| (2) Rice | (b) Twice the amount of lysine and tryptophan |
| (3) Wheat Atlas-66 | (c) Enriched in vitamin A and minerals |
| (4) Carrots, spinach | (d) High protein content |