Question

Rate of mutation is affected by _______________.

• A. Temperature
• B. X-rays
• C. Gamma rays
• D. All of these

Answer 1

Answer: (D)

All of these

Any extracellular physical or chemical factor which can cause mutations or increase the frequency of mutations in organisms is called mutagen. They include temperature and high energy radiations such as X-rays, ultra-violet rays and gamma rays. Therefore, all of the given options affect the rate of mutation.