Verified Solutions 2025
1. Which of the following is the branch of science concerned with the methods of interaction and the
effects of ionizing radiation on living systems?
a. radiobiology c. physics
b. biology d. epidemiology - ✔✔ANS: A
2. Which of the following is credited with the discovery of x-rays in 1895?
a. Antoine Henri Becquerel c. Wilhelm Conrad Roentgen
b. Pierre and Marie Curie d. Thomas Edison - ✔✔ANS: C
3. Which of the following is credited with the observance of rays being given off by a uranium-containing
substance in 1896?
a. Antoine Henri Becquerel c. Pierre and Marie Curie
b. Wilhelm Conrad Roentgen d. Clarence Dally - ✔✔ANS: A
4. Which of the following is credited with the discovery of radium in 1898?
a. Antoine Henri Becquerel c. Pierre and Marie Curie
b. Wilhelm Conrad Roentgen d. Clarence Dally - ✔✔ANS: C
5. Which of the following, an assistant to Thomas Edison, died of complications from exposure to
radiation?
a. Clarence Dally c. Mihram Kassabian
b. William Rollins d.Marie Curie - ✔✔ANS: A
6. Which of the following, in 1906, observed the effects of radiation by exposing rodent testicles to x-
rays?
a. Bergonie & Tribondeau c. Regaud
b. Ancel & Vitemberger d. Muller - ✔✔ANS: A