| Carcinogen | Organ affected |
| N-nitrosodimethlene | ————– |
| Aflatoxin | ———- |
| ————– | Vagina |
| ————– | Urinary bladder |
| ————– | Prostate |
| ————– | Skin and lungs |
| Carcinogen | Organ affected |
| N-nitrosodimethlene | Lungs |
| Aflatoxin | Liver |
| Diethylstilboestrol | Vagina |
| 2-naphthylamine and 4-aminobiphenyl | Urinary bladder |
| Cadmium oxide | Prostate |
| Soot, coal tar (2-4 benzopyrene) | Skin and lungs |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column A | Column B |
| (1) Symbiont in root nodule | ————- |
| (2) Conversion of nitrite to nitrate | ———— |
| (3) Denitrification process | ————- |
| (4) Conversion of ammonia to nitrite | ————- |
| Column A | Column B (Organisms) |
| 1. Symbiotic nitrogen fixation | a. Nitrobacter |
| 2. Denitrification | b. Cyanobacteria |
| 3. Free living nitrogen fixers | c. Rhizobium |
| 4. Nitrification | d. Paracoccus |
(a) What is polymerase chain reaction (PCR)?
(b) Describe three steps involved in mechanism of PCR.