Question detail
Which of the following best describes the role of bacteria as pathogens?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Communicable diseases
Question
- A. They reproduce slowly and do not cause illness.
- B. They produce toxins that can damage tissues.
- C. They only exist outside the human body.
- D. They are always beneficial to health.
Answer
The correct option is They produce toxins that can damage tissues. because it matches the approved biology in Communicable (infectious) diseases within Communicable diseases.
Explanation
The correct option is They produce toxins that can damage tissues. because it stays accurate for Communicable (infectious) diseases in Communicable diseases. It matches the approved learning objective about define pathogens as microorganisms that cause infectious disease and avoids the oversimplified distractors.
Common mistake
Misunderstanding Pathogens
Students often confuse pathogens with diseases, thinking that pathogens are the diseases themselves rather than the microorganisms that cause them.
Remember that pathogens are the microorganisms (like bacteria, viruses, fungi, or protists) that lead to infectious diseases. Focus on the definition of pathogens as the cause, not the effect.
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