Question Detail
Question
Which of the following does not leave taste or smell but disables the DNA of microorganisms in the water when used in water sterilization?
Correct Answer
Option B is the correct answer.
Detailed Explanation
UV light disinfection does not add chemicals to water, so it leaves no taste or smell. It works by damaging microbial DNA. Chlorine and organic chemicals leave taste/smell.
Hint
Physical method of disinfection without chemical residue.