Worksheet: Antibiotics

In this worksheet, we will practice explaining how antibiotics can be used to treat bacterial infections.


What type of pathogen are antibiotics most commonly used to target?

  • ABacteria
  • BProtists
  • CFungi
  • DViruses


Fill in the blanks: Antibiotics destroy pathogens, whereas painkillers help prevent the person feeling the .

  • Abacterial, pain
  • Bharmful, discomfort
  • Cfungal, inflammatory pain
  • Dviral, chronic pain


Which scientist discovered penicillin after allowing mold to grow on his agar plates of bacteria?

  • ANewton
  • BFleming
  • CFranklin
  • DDarwin
  • EWatson


Which of the following statements about antibiotics is incorrect?

  • AAntibiotics are used to treat infections caused by a range of pathogens.
  • BAntibiotics can only be used to treat bacterial infections.
  • CAntibiotics are safe to use on humans because human cells do not have cell walls.
  • DAntibiotics target bacteria by breaking down cell walls or interrupting essential processes.


Which of the following drugs is an example of an antibiotic?

  • AAnalgesics
  • BPenicillin
  • CCodeine
  • DArtemisinin
  • EBeta blockers


A student is suffering from the flu. They visit the doctor and ask for antibiotics to treat it. Why will the doctor not give them antibiotics?

  • ANot having antibiotics will help the body develop immunity to the flu.
  • BAntibiotics only treat the symptoms and do not target the cause of the illness.
  • CThe flu is caused by a virus, so antibiotics will not work.
  • DThe flu is caused by a fungus, so antibiotics will not work.


What term is given to bacteria that can no longer be killed using common antibiotics?

  • AAntibiotic specific
  • BAntibiotic immune
  • CAntibiotic fighting
  • DAntibiotic repellent
  • EAntibiotic resistant


The diagram provided shows a simplified outline of a bacterial cell before and after exposure to penicillin. Which part of the bacterial cell is most affected by penicillin?

  • AThe chromosomal loop
  • BThe plasmid
  • CThe cell membrane
  • DThe cell wall
  • EThe nucleus

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