UPSC Previous Year Question | Prelims GS | 2022

Consider the following statements: 1. Biofilms can form on medical implants within human tissues. 2. Biofilms can form on food and food processing surfaces. 3. Biofilms can exhibit antibiotic resistance. Which of the statements given above are correct?

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

Correct Answer

1, 2 and 3

Explanation

All three statements are correct: biofilms readily form on medical implants and on food/food-processing surfaces, and bacteria within biofilms show markedly increased antibiotic and disinfectant resistance.

Topics: antibiotic resistance, biofilms, microbiology, science and technology