Radiation MCQs
Radiation MCQs
These Radiation multiple-choice questions and their answers will help you strengthen your grip on the subject of Radiation. You can prepare for an upcoming exam or job interview with these Radiation MCQs.
So scroll down and start answering.
1: All of the following events can trigger an adaptive radiation except _____.
A. The colonization of a new habitat
B. The evolution of a new morphological feature
C. Gene duplication events
D. The extinction of competitors
E. A vicariance event splitting the habitat
2: The instrument that is commonly used to measure the intensity of radioactivity is called a _____.
A. Photographic plate
B. Magnet Wilson
C. Cloud chamber
D. Geiger counter
3: What is radiation?
A. The emission of light from a source
B. The transfer of heat through conduction
C. The emission and transmission of energy in the form of electromagnetic waves or particles
D. The release of gases from a chemical reaction
4: Which of the following types of radiation has the highest energy?
A. Radio waves
B. Microwaves
C. X-rays
D. Infrared radiation
5: What is the unit used to measure radiation exposure?
A. Radians
B. Sieverts
C. Coulombs
D. Grays
6: What is the main source of ionizing radiation?
A. Cell phones
B. Microwave ovens
C. Ultraviolet light
D. Radioactive materials
7: Which of the following is a common application of ionizing radiation in medicine?
A. MRI scans
B. Ultrasound imaging
C. X-ray imaging
D. Thermography
8: What is the half-life of a radioactive substance?
A. The time it takes for a substance to decay completely
B. The time it takes for half of the radioactive atoms in a substance to decay
C. The time it takes for a substance to reach its maximum activity
D. The time it takes for a substance to become non-radioactive
9: What is the primary danger associated with exposure to ionizing radiation?
A. Skin burns
B. Respiratory problems
C. DNA damage and increased risk of cancer
D. Allergic reactions
10: Which type of radiation is used in cancer treatment to destroy cancer cells?
A. Alpha particles
B. Beta particles
C. Gamma rays
D. Neutrons
11: Which of the following materials can be used to shield against radiation?
A. Glass
B. Lead
C. Aluminum
D. Plastic
12: What is the main source of background radiation?
A. Nuclear power plants
B. Medical imaging devices
C. Cosmic rays, rocks, and soil
D. Cell phone towers
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