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IGNOU MEV-04 (January 2025 – July 2025) Assignment Questions
Attempt any five questions. All questions carry equal marks.
1. Explain the terms Ecotoxicology and Environmental toxicology. Describe some important sources of toxicants that are detrimental to human health.
2. Describe the various exposure routes of toxicants in the human body. Discuss the mode of action of toxic substances.
3. What are biological toxicants? Describe with some examples.
4. Write short notes on:
a) Physical carcinogens.
b) Food intoxication.
5. Explain the various sources of teratogens and their effects. Describe the process of teratogenesis and the mechanism of action.
6. Explain some methods for toxicity assessment.
7. Write short notes on:
a) Estimating health risks.
b) Risk assessment planning.
IGNOU MEV-04 (January 2024 – July 2025) Assignment Questions
Attempt any five questions. All questions carry equal marks.
1. Explain the terms Ecotoxicology and Environmental toxicology. Describe some important sources of toxicants that are detrimental to human health.
2. Describe the various exposure routes of toxicants in the human body. Explain the distribution and storage of toxins in the human body.
3. What are biological toxicants? Describe with some examples.
4. Describe the steps involved in biotransformation.
5. Write short notes on:
a) Chemical toxicants
b) Food intoxication.
6. Explain the various sources of teratogens and their effects. Describe the process of teratogenesis and the mechanism of action.
7. Explain some methods for toxicity assessment.
