Q1. Explain the interactions between environment and human health. Explain the importance of a healthy environment and lifestyle.

Q2. Explain the concept of ecotoxicology. Write briefly the differences between biodegradable and non-biodegradable substances. Describe the influence of environmental factors on toxicity.

Q3. Explain the factors affecting concentration of toxicants in environment. Explain the biochemical aspect of toxicants.

Q4. Explain the pathways, dispersion and transportation of the toxic substances. Explain the concept of bio-accumulation and bio-magnification.

Q5. Describe the concept of well-being. Explain the dimensions and determinants of health.

Q6. Explain the importance of public health surveillance and environmental health. Discuss the Government initiatives to promote environmental sanitation.

Q7. Explain various food borne diseases, their classification, pathogenesis, prevention and control.

Q8. Write short notes on the following:

• a) Environmental monitoring (200 words)
• b) Absorption of Toxicants (200 words)
• c) Dose Response Relationship (200 words)
• d) Mechanism of Carcinogenicity and teratogens (200 words)