Which of the following is NOT a biological hazard?

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Multiple Choice

Which of the following is NOT a biological hazard?

Explanation:
Biological hazards are risks posed by living agents or their materials that can cause disease or harm to health. Infectious agents and oncogenic viruses are clear examples since they are living or biologically active materials that can spread disease or contribute to cancer. Recombinant DNA is also treated as a biosafety concern because it involves genetic material that could alter organisms or traits, requiring careful containment. Ultraviolet radiation, on the other hand, is a physical hazard—energy that can damage tissues or DNA but is not itself a living organism or biological material. In lab safety, this distinction matters for choosing the right controls and training: biological hazards require biosafety measures for agents, while UV is managed as a radiation/physical safety issue.

Biological hazards are risks posed by living agents or their materials that can cause disease or harm to health. Infectious agents and oncogenic viruses are clear examples since they are living or biologically active materials that can spread disease or contribute to cancer. Recombinant DNA is also treated as a biosafety concern because it involves genetic material that could alter organisms or traits, requiring careful containment. Ultraviolet radiation, on the other hand, is a physical hazard—energy that can damage tissues or DNA but is not itself a living organism or biological material. In lab safety, this distinction matters for choosing the right controls and training: biological hazards require biosafety measures for agents, while UV is managed as a radiation/physical safety issue.

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