This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Nuclear Energy – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Energy Quiz 12 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A hospital buys a compound that contains an isotope of barium. Several months later, most of the barium has changed to the element lanthanum. Which of the following is responsible for this change? A) Exposure to air. B) Reactions with the container wall. C) Radioactive decay. D) Absorption of moisture from the air. Show Answer Correct Answer: C) Radioactive decay. 2. Which words in the "No" response convey the author's attitude toward nuclear energy? A) Sabotage, catastrophic, disaster. B) Delayed, targets, repository. C) Widespread, nuclear, uranium. D) Power, potential, operational. Show Answer Correct Answer: A) Sabotage, catastrophic, disaster. 3. The moderator in a nuclear reactor ..... A) Enriches the uranium. B) Slows neutrons down. C) Speeds neutrons up. D) Captures neutrons. Show Answer Correct Answer: B) Slows neutrons down. 4. A radioactive isotope has a half life of 20 years. At year 0, there are 100 radioactive atoms. How many daughter atoms exist after 40 years of decay? Sketch out a table if you need to. A) 25. B) 75. C) 100. D) 50. Show Answer Correct Answer: B) 75. 5. Which of the following statements BEST describes nuclear fusion? A) Nuclear fusion is a common source of energy. B) Nuclear fusion usually requires freezing temperatures. C) Nuclear fusion usually requires a high-temperature environment. D) Nuclear fusion releases a small amount of energy compared to mostchemical reactions. Show Answer Correct Answer: C) Nuclear fusion usually requires a high-temperature environment. 6. The amount of time it take for 1/2 of any sample to decay is know as its what? A) Half life. B) Half reaction. C) U-235. D) Chain reaction. Show Answer Correct Answer: A) Half life. 7. What is the name of the structure in a nuclear power plant that cools steam back into liquid water? A) Condenser. B) Turbine. C) Pumping station. D) Pressurizer. Show Answer Correct Answer: A) Condenser. 8. Which of the following is NOT a positive use of nuclear energy? A) Cell phone communication. B) Cancer treatment. C) Smoke detectors. D) PET scans. Show Answer Correct Answer: A) Cell phone communication. 9. Which isotope is used to treat nuclear reactions? A) Urnaium-235. B) Uranium-238. C) Carbon-14. D) Carbon-13. E) Cobalt-60. Show Answer Correct Answer: B) Uranium-238. 10. What is the half life of Uranium? A) 4.6 billion years. B) 4.6 trillion years. C) 4.6 million years. D) 4, 600 years. Show Answer Correct Answer: A) 4.6 billion years. 11. About how much of Canada's Energy Comes from nuclear sources? A) 1%. B) 15%. C) 20%. D) 80%. Show Answer Correct Answer: B) 15%. 12. Nuclear energy is made from: A) Coal. B) Carbon. C) Uranium or plutonium. D) Hydrogen. Show Answer Correct Answer: C) Uranium or plutonium. 13. What nuclear process occurs in the sun? A) Fission. B) Fusion. C) Atomic bomb. D) Endothermic. Show Answer Correct Answer: B) Fusion. 14. What benefit does nuclear energy have over fossil fuels? A) It's extremely cheap to create. B) It's extremely cheap to create. C) It won't run out as quickly as fossil fuels. D) It doesn't cause any form of pollution. Show Answer Correct Answer: C) It won't run out as quickly as fossil fuels. 15. When uranium is processed to make it a concentrated form of the most unstable atoms, it is called ..... A) Milled uranium. B) Plutonium. C) Uranium ore. D) Enriched uranium. Show Answer Correct Answer: D) Enriched uranium. 16. What process occurs when two atoms merge to form one singe, larger atom? A) Fission. B) Endothermic. C) Fusion. D) Exothermic. Show Answer Correct Answer: C) Fusion. 17. What is the half-life of a radioisotope if 50.0 grams of an original 200.-gram sample? (after 15.60 years total) A) 7.80 years. B) 15.60 years. C) 23.40 years. D) 3.90 years. Show Answer Correct Answer: A) 7.80 years. 18. In the isotope name, Uranium-253, what does the 253 represent? A) Atomic number. B) Number of electrons. C) Charge. D) Mass. Show Answer Correct Answer: D) Mass. 19. Which nuclear process occurs because there is a lot of HEAT and PRESSURE pushing down on nuclei? A) Fission. B) Fusion. C) Atomic bomb. D) None of above. Show Answer Correct Answer: B) Fusion. 20. In the isotope name, Hydrogen-3, what does the 3 represent? A) Mass. B) Atomic number. C) Charge. D) Number of electrons. Show Answer Correct Answer: A) Mass. 21. All of the following are advantages of using nuclear power EXCEPT- A) They do not contribute to the process of global warming. B) They produce more energy per gram of fuel. C) They produce no air pollution. D) They are less expensive to build and operate than coal-burning power plants. Show Answer Correct Answer: D) They are less expensive to build and operate than coal-burning power plants. 22. Fusion produces nuclei that are ..... the original nuclei A) The same-size as. B) Smaller than. C) Larger than. D) More reactive than. Show Answer Correct Answer: C) Larger than. 23. Which produces more energy ..... nuclear fission or nuclear fusion? A) It depends on the elements used. B) Fission. C) They produce the same amount. D) Fusion. Show Answer Correct Answer: D) Fusion. 24. We use the energy stored in the nucleus of an atom by converting it to ....., which can then be used to generate electricity. A) Potential energy. B) Thermal energy. C) Mechanical energy. D) None of above. Show Answer Correct Answer: B) Thermal energy. 25. Where did major nuclear catastrophes happen? A) Chernobyl, Sellafield, Warsaw. B) Chernobyl, Fukuoka, Sellafield. C) Chernobyl, Fukushima, Moscow. D) Chernobyl, Pennsylvania, Fukushima. Show Answer Correct Answer: D) Chernobyl, Pennsylvania, Fukushima. 26. What type of radiation is most penetrating? A) Tooth. B) Beta. C) Alpha. D) Gamma. Show Answer Correct Answer: D) Gamma. 27. What is a fusion reaction? A) The process of splitting the nucleus of an atom. B) The process of changing the physical arrangement ofparticles. C) The process of combining atoms together into a molecule. D) The process of combining nuclei to form a larger nucleus. Show Answer Correct Answer: D) The process of combining nuclei to form a larger nucleus. 28. What is the current way people are disposing of radioactive waste? A) Sending it to space. B) Burying it underground. C) Shipping it out into the ocean. D) Storing it in a shed. Show Answer Correct Answer: B) Burying it underground. 29. Solve this decay question:$^{14}$C$_{6}$-$\rightarrow$ ..... + $^{0}$$\beta$$_{-1}$ A) $^{14}$N$_{7}$. B) $^{14}$C$_{7}$. C) $^{13}$C$_{6}$. D) $^{15}$N$_{7}$. Show Answer Correct Answer: A) $^{14}$N$_{7}$. 30. What step in the fuel cycle involves dissolving used fuel rods in acid, collecting the still useful fuel and sending it back to make new pellets, then disposing of the high-level wastes in long-term storage? A) Reactor. B) Interim storage. C) Conversion. D) Spent fuel reprocessing. Show Answer Correct Answer: D) Spent fuel reprocessing. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesNuclear Energy Quiz 1Nuclear Energy Quiz 2Nuclear Energy Quiz 3Nuclear Energy Quiz 4Nuclear Energy Quiz 5Nuclear Energy Quiz 6Nuclear Energy Quiz 7Nuclear Energy Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books