Podcast
Questions and Answers
How does sorption in soil affect the mobility of Organochlorine Pesticides (OCPs)?
How does sorption in soil affect the mobility of Organochlorine Pesticides (OCPs)?
- Increases mobility
- Reduces mobility (correct)
- Has no effect on mobility
- Causes immediate degradation
Which of the following is NOT a degradation pathway for OCPs?
Which of the following is NOT a degradation pathway for OCPs?
- Redox reactions
- Photolysis
- Hydrolysis
- Fermentation (correct)
Which environmental condition favors the reduction reaction in the degradation of OCP residues?
Which environmental condition favors the reduction reaction in the degradation of OCP residues?
- Low iron content
- Low oxygen levels (correct)
- High pH
- Neutral pH
What type of compounds are hydrolyzed through the hydrolysis pathway?
What type of compounds are hydrolyzed through the hydrolysis pathway?
How does photolysis contribute to the degradation of OCP residues?
How does photolysis contribute to the degradation of OCP residues?
What role does microbial population play in the biotic degradation of OCP residues?
What role does microbial population play in the biotic degradation of OCP residues?
What is the role of water in photochemical reactions?
What is the role of water in photochemical reactions?
Which compound can organisms convert OCPs into as part of detoxification or metabolic processes?
Which compound can organisms convert OCPs into as part of detoxification or metabolic processes?
In what form can Methylosinus trichosporium OB3b produce methane monooxygenase to convert trichloroethylene?
In what form can Methylosinus trichosporium OB3b produce methane monooxygenase to convert trichloroethylene?
What do hydroxyl radicals participate in within photochemical reactions?
What do hydroxyl radicals participate in within photochemical reactions?
Which process is NOT involved in the photochemical reactions mentioned in the text?
Which process is NOT involved in the photochemical reactions mentioned in the text?
What can soil extracts with halogenating potential contribute to the formation of from organic acids like humic acid?
What can soil extracts with halogenating potential contribute to the formation of from organic acids like humic acid?
Which process influences the degradation of OCPs due to their association with micro-organic compounds?
Which process influences the degradation of OCPs due to their association with micro-organic compounds?
What is a significant property of OCPs that contributes to their high stability against degradation in the environment?
What is a significant property of OCPs that contributes to their high stability against degradation in the environment?
Which organisms tend to accumulate OCPs and are an important part of the food chain?
Which organisms tend to accumulate OCPs and are an important part of the food chain?
What is one important factor influencing the residue levels of OCPs in sediment?
What is one important factor influencing the residue levels of OCPs in sediment?
Which process could contribute to the degradation of OCP residues through exposure to light?
Which process could contribute to the degradation of OCP residues through exposure to light?
What is a key role of microorganisms in the degradation of OCP residues?
What is a key role of microorganisms in the degradation of OCP residues?