problem 1: Describe how you will find out acute toxicity level in animals.

problem 2: Give an account on the features of heavy metals of animals.

problem 3: Categorize the radioactive substances. Add a note on their features in the Ecosystem.

problem 4: Describe the term circadian rhythm with appropriate exs.

problem 5: Describe the mode of absorption and distribution of Toxicants.

problem 6: describe how toxicants are metabolized.

problem 7: Describe the term biomagnifications with illustrations.

problem 8: Describe the mode of action of Xenobiotics.