UPSC Prelims GS - 2022

Question 37
DIFFICULTCorrect: +2Incorrect: -2

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?

    a
    1 and 2 only
    b
    2 and 3 only
    c
    1 and 3 only
    d
    1, 2 and 3