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UPSC PYQPrelims 2022

Civil Services Examination · Question 37

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
Show answer & explanation

Answer: (D) 1, 2 and 3

Explanation

Biofilms (microbial communities in a matrix) form on implants and food surfaces and are notably resistant to antibiotics.