Multiple choice

Which of the following statements is TRUE?

  1. DDT is an antiseptic.

  2. Deodorants are disinfectants.

  3. Antibiotics can be produced synthetically.

  4. Sulphonamides are the most commonly used antibiotics.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Antibiotics can be produced synthetically.  DDT is a disinfectant. Sulphonamides are rarely used now.