Q1. Explain the terms Ecotoxicology and Environmental toxicology. Describe some important sources of toxicants that are detrimental to human health.

Q2. Describe the various exposure routes of toxicants in the human body. Explain the distribution and storage of toxins in the human body.

Q3. What are chemical toxicants? Describe in detail the exposure classes with reference to air, water and soil pollutants.

Q4. Describe the various types of mutagens and their effects on the human body.

Q5. Write short notes on:

• a)) Detoxification (300 words)
• b)) Toxicity Remediation. (300 words)

Q6. Explain the various sources of teratogens and their effects. Describe the process of teratogenesis and the mechanism of action.

Q7. Explain the use of biomarkers and biosensors in cytotoxicity and genotoxicity prevention.