STB 322 Theory Questions: Toxicant Classification, Heavy Metal/Gas Toxicity, and Pesticide Biochemical Effects

300 Level Department of Science Laboratory Technology exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.

Questions:

a. Classify toxicants based on their mechanism of action

b. Discuss briefly the toxicity of the following:
i. Lead
ii. Carbon monoxide

c. In clear terms, explain the biochemical effect of pesticide residues on:
i. Soil
ii. Plants

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