Home › Bihar Board Class 12 (Science) › Biology › Human Health and Disease › Which of these DNA-damaging radiations is non-io…
Which of these DNA-damaging radiations is non-ionising?
ACosmic rays
BUltraviolet rays
CGamma rays
DMedical X-rays
Answer & Solution
Correct answer: B. Ultraviolet rays
UV is non-ionising yet still damages DNA, while X-rays and gamma rays are ionising.
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