Practicing Success
Practicing Success
CUET Preparation Today
| Which of the following are carcinogens? |
Tobacco smoke . UV radiations. Gamma rays. All of these. |
| All of these. |
| Transformation of normal cells into cancerous neoplastic cells may be induced by physical, chemical or biological agents. These agents are called carcinogens. Ionising radiations like X-rays and gamma rays and non-ionizing radiations like UV cause DNA damage leading to neoplastic transformation. The chemical carcinogens present in tobacco smoke have been identified as a major cause of lung cancer. |
