Which of the following is not an effective action in preventing food poisoning?

Wooden chopping blocks are not considered an effective action in preventing food poisoning primarily because they can harbor bacteria and pathogens within their surface. While wooden cutting boards are sometimes used in kitchens, they can develop grooves and scratches over time where harmful bacteria can hide. In contrast, plastic cutting boards are generally easier to clean and sanitize effectively, which helps reduce the risk of cross-contamination.

Cooking food at adequately high temperatures is known to kill harmful bacteria and pathogens, ensuring that the food is safe to consume. Washing cloths, towels, and utensils frequently is crucial for maintaining hygiene in the kitchen and preventing bacterial spread. Additionally, carefully handling high-risk foods, such as poultry and eggs, minimizes the risk of contamination since these foods are often associated with foodborne illnesses.

Therefore, the correct answer highlights the inefficacy of using wooden chopping blocks in preventing food poisoning compared to the other actions that actively contribute to food safety.