Prepare a list of animals being endangered by poaching. Which environmental factors have the potentialities to increase the chance of developing cancer? [3 + 2]
WBBSE
Class X
Life Science
05 (b) Environmental Pollution
05 (d) Biodiversity and Its Conservation
05 Mark
2025
Animals endangered due to poaching
Poaching for skin, fur, horns, tusks, bones, or meat has pushed many animals towards extinction. Important examples include:
| Animal | Reason for Poaching |
|---|---|
| Tiger | poached for skin, bones, and body parts used in illegal trade |
| One-horned rhinoceros | killed for its horn |
| Elephant | hunted for ivory tusks |
| Leopard | poached for skin and fur |
| Musk deer | hunted for musk glands |
Environmental cancer risk factors:​
| Factor | Effect |
|---|---|
| Chemical pollutants | Damage DNA; act as carcinogens (pesticides, tobacco smoke, industrial chemicals) |
| Radiation | UV rays, X-rays, and ionizing radiation increase mutation risk |
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