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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| (1) Column A (Asexual) | Column B (Examples) |
| (1) Spore formation | (a) Spirogyra |
| (2) Conidia formation | (b) Yeast |
| (3) Fragmentation | (c) Chlamydomonas |
| (4) Budding | (d) Penicillium |
| Column A | Column B (Examples) |
| (1) Particulate pollutant | ————— |
| (2) Gaseous pollutant | ————— |
| (3) Biomagnification | ————— |
| (4) Heavy metals | ————– |