1.
What is the International Day against Nuclear Tests observed to promote?
Correct Answer
B. Peace and security
Explanation
The International Day against Nuclear Tests aims to promote awareness about the effects of nuclear weapon test explosions and the need to halt them. It emphasizes the importance of peace and security worldwide, encouraging nations to work together to prevent further nuclear testing and to move towards a safer world.
2.
When is the International Day against Nuclear Tests observed annually?
Correct Answer
A. August 29
Explanation
The United Nations General Assembly declared August 29 as the International Day against Nuclear Tests in 2009. This date commemorates the closure of the Semipalatinsk Nuclear Test site in Kazakhstan in 1991. The day aims to raise awareness about the devastating effects of nuclear tests on human health and the environment, advocating for a worldwide ban on such activities.
3.
Which organization declared the International Day against Nuclear Tests?
Correct Answer
B. United Nations
Explanation
The United Nations General Assembly declared the International Day against Nuclear Tests in December 2009. This initiative highlights the catastrophic impact of nuclear tests and calls for increased efforts to achieve a nuclear-weapon-free world. The UN encourages global collaboration to ensure the end of nuclear tests and promote peaceful uses of nuclear energy.
4.
What is the primary goal of the Comprehensive Nuclear-Test-Ban Treaty (CTBT)?
Correct Answer
B. End nuclear tests
Explanation
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) aims to prohibit all nuclear explosions, both for military and civilian purposes. It seeks to prevent the development of new nuclear weapons and the further proliferation of existing ones. By banning nuclear tests, the CTBT contributes to global disarmament and non-proliferation efforts, fostering international security and stability.
5.
Which country has conducted the most nuclear tests?
Correct Answer
B. United States
Explanation
The United States has conducted the most nuclear tests in history, with over 1,000 tests between 1945 and 1992. These tests have had significant environmental and health impacts on the test sites and surrounding communities. The extensive testing program was driven by the desire to develop and perfect nuclear weapons during the Cold War era.
6.
How many countries have signed the Comprehensive Nuclear-Test-Ban Treaty (CTBT)?
Correct Answer
A. 183
Explanation
As of now, 183 countries have signed the Comprehensive Nuclear-Test-Ban Treaty (CTBT), demonstrating their commitment to ending nuclear tests and promoting global disarmament. However, the treaty has not yet entered into force, as it requires ratification by 44 specific states with nuclear capabilities. Efforts continue to achieve universal ratification and implementation of the CTBT.
7.
Which international agency oversees the implementation of the Comprehensive Nuclear-Test-Ban Treaty (CTBT)?
Correct Answer
C. CTBTO
Explanation
The Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) is responsible for overseeing the implementation of the CTBT. The CTBTO ensures that the treaty's provisions are followed and that the International Monitoring System (IMS) is operational. The organization also provides technical assistance to member states and promotes the treaty's universal ratification.
8.
How many nuclear tests have been conducted worldwide?
Correct Answer
D. 2,000
Explanation
Approximately 2,000 nuclear tests have been conducted worldwide since the first test in 1945. These tests have had significant environmental, health, and political impacts. The extensive testing program was driven by the desire to develop and perfect nuclear weapons during the Cold War era. The International Day against Nuclear Tests aims to raise awareness about the dangers of nuclear testing and promote global disarmament.
9.
What was the largest nuclear test ever conducted?
Correct Answer
B. Tsar Bomba
Explanation
The largest nuclear test ever conducted was the Soviet Union's "Tsar Bomba." It took place on October 30, 1961, and had a yield of 50 megatons of TNT, making it the most powerful nuclear explosion in history. The test caused widespread destruction and had significant environmental and health impacts. The Tsar Bomba test demonstrated the devastating power of nuclear weapons and the need for global disarmament.
10.
What is the main health effect of exposure to nuclear radiation?
Correct Answer
B. Cancer
Explanation
Exposure to nuclear radiation can cause severe health problems, with cancer being one of the most significant. Radiation can damage the DNA in cells, leading to mutations and the development of cancer. Other health effects include genetic mutations, birth defects, and cardiovascular diseases. The long-term health impacts of nuclear radiation make it crucial to prevent further nuclear tests and promote global disarmament.