12 Questions
What is the primary mechanism by which glyphosate promotes the emergence of glyphosate-resistant weeds?
By selecting for weeds with genetic mutations that confer glyphosate resistance
What is the primary factor that delays leaching and promotes soil degradation in the fate and transformation of glyphosate in soil?
Mineralization
Which of the following health effects is NOT associated with glyphosate exposure?
Cardiovascular disease
What is the approximate half-life of glyphosate in soil?
45-60 days
What is the primary mechanism by which glyphosate affects microbial populations in soil?
By inhibiting microbial activity
What is the primary factor that affects the dissipation of glyphosate in soil?
Erosivity of rain and erodibility of the soil
Which of the following herbicides is a possible human carcinogen and increases the chance of liver tumors?
Metolachlor
What is the primary method of dissipation for Metolachlor and Acetochlor?
Microbial degradation
Which of the following emerging contaminants are formed through the interaction of residual disinfectants and organic matter in drinking water treatment plants?
Nitrosamines
What is the primary characteristic of Per-Fluoroalkyl Substances (PFAS) that makes them 'forever chemicals'?
They are highly persistent in the environment
Which of the following is an example of a Perfluoroalkyl sulfonamide (FASA) that may degrade to PFSAs and PFCAs?
Perfluoroalkyl sulfonamide ETHANOLS (FASA)
What is the primary purpose of Flame Retardants?
To prevent or slow the growth of fire
Learn about the degradation of persistent organic pollutants (POPs) in soil, including the effects of pesticide residue on microbial populations and the environment. Understand the role of glyphosate, a widely used pesticide, and its impact on herbicide action and resistant weeds.
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