Current Affairs Quiz 06 June 2024
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Current Affairs Quiz 06 June 2024 for UPSC Prelims
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- Question 1 of 5
1. Question
With reference to World Environment Day (WED), consider the following statements:
1. World Environment Day was established by the United Nations Assembly in 1972 and is celebrated annually with a specific theme focusing on major environmental issues.
2. The theme for World Environment Day 2024 is “Land Restoration, Desertification, and Drought Resilience,” and it will be hosted by India.
Which of the statements given above is/are correct?CorrectAnswer and Explanation:
Answer: (a) 1 only
Explanation:
• Statement 1 is correct. World Environment Day was established by the United Nations Assembly in 1972, and it is celebrated annually with a specific theme and slogan focusing on major environmental issues.
• Statement 2 is incorrect. The theme for World Environment Day 2024 is “Land Restoration, Desertification, and Drought Resilience,” but it will be hosted by Saudi Arabia, not India.
Therefore, only statement 1 is correct.IncorrectAnswer and Explanation:
Answer: (a) 1 only
Explanation:
• Statement 1 is correct. World Environment Day was established by the United Nations Assembly in 1972, and it is celebrated annually with a specific theme and slogan focusing on major environmental issues.
• Statement 2 is incorrect. The theme for World Environment Day 2024 is “Land Restoration, Desertification, and Drought Resilience,” but it will be hosted by Saudi Arabia, not India.
Therefore, only statement 1 is correct. - Question 2 of 5
2. Question
Which of following countries does not boarder Mediterranean sea?
CorrectAnswer: D
IncorrectAnswer: D
- Question 3 of 5
3. Question
With reference to Pampa Lake and the Tungabhadra River, consider the following statements:
1. Pampa Lake is situated in the Koppal district near Hampi in Karnataka and is located to the south of the Tungabhadra River.
2. The Tungabhadra River is formed by the union of two rivers, Tunga and Bhadra, and is a major tributary of the Godavari River.
Which of the statements given above is/are correct?CorrectAnswer and Explanation:
Answer: (a) 1 only
Explanation:
• Statement 1 is correct. Pampa Lake is situated in the Koppal district near Hampi in Karnataka and is located to the south of the Tungabhadra River.
• Statement 2 is incorrect. The Tungabhadra River is formed by the union of two rivers, Tunga and Bhadra, but it is a major tributary of the Krishna River, not the Godavari River.
Therefore, only statement 1 is correctIncorrectAnswer and Explanation:
Answer: (a) 1 only
Explanation:
• Statement 1 is correct. Pampa Lake is situated in the Koppal district near Hampi in Karnataka and is located to the south of the Tungabhadra River.
• Statement 2 is incorrect. The Tungabhadra River is formed by the union of two rivers, Tunga and Bhadra, but it is a major tributary of the Krishna River, not the Godavari River.
Therefore, only statement 1 is correct - Question 4 of 5
4. Question
The function of heavy water in a nuclear reactor is to related to which of the following ?
CorrectAns;- a) Slow down the speed of neutrons
Explanation;-
• The function of heavy water in a nuclear reactor is to slowing down the speed of neutrons.
• Heavy water is used in certain types of nuclear reactors, where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with the fissile uranium-235 than with uranium-238, which captures neutrons without fissioning.
• Water cooled nuclear reactors slow neutrons down to “thermal” speed to increase the probability of their interactions with other nuclei.About Heavy Water
• Water containing significantly more than the natural proportions (one in 6,500) of heavy hydrogen (deuterium, D) atoms to ordinary hydrogen atoms.
• Heavy water is used as a moderator in some reactors because it slows down neutrons effectively and also has a low probability of absorption of neutrons.
• Heavy water is one of the two moderators that can be used which allow a nuclear reactor to operate using natural uranium. The other moderator is graphite.
• The heavy water is kept under pressure which increases its boiling point so that it can operate at high temperatures without boiling.
• In the laboratory heavy water is employed as an isotopic tracer in studies of chemical and biochemical processes.
• The heavy water is not manufactured, but rather it is extracted from the quantity that is found naturally in lake water. The water is separated through a series of towers, using hydrogen sulphide as an agent. Owing to AECLs CANDU programme, Canada is the world’s supplier of heavy water.IncorrectAns;- a) Slow down the speed of neutrons
Explanation;-
• The function of heavy water in a nuclear reactor is to slowing down the speed of neutrons.
• Heavy water is used in certain types of nuclear reactors, where it acts as a neutron moderator to slow down neutrons so that they are more likely to react with the fissile uranium-235 than with uranium-238, which captures neutrons without fissioning.
• Water cooled nuclear reactors slow neutrons down to “thermal” speed to increase the probability of their interactions with other nuclei.About Heavy Water
• Water containing significantly more than the natural proportions (one in 6,500) of heavy hydrogen (deuterium, D) atoms to ordinary hydrogen atoms.
• Heavy water is used as a moderator in some reactors because it slows down neutrons effectively and also has a low probability of absorption of neutrons.
• Heavy water is one of the two moderators that can be used which allow a nuclear reactor to operate using natural uranium. The other moderator is graphite.
• The heavy water is kept under pressure which increases its boiling point so that it can operate at high temperatures without boiling.
• In the laboratory heavy water is employed as an isotopic tracer in studies of chemical and biochemical processes.
• The heavy water is not manufactured, but rather it is extracted from the quantity that is found naturally in lake water. The water is separated through a series of towers, using hydrogen sulphide as an agent. Owing to AECLs CANDU programme, Canada is the world’s supplier of heavy water. - Question 5 of 5
5. Question
With reference to the Chang’e 6 mission, consider the following statements:
1. Chang’e 6 is designed to retrieve samples from the lunar south pole.
2. The mission involves international collaboration, incorporating payloads from the European Space Agency (ESA) and the French space agency CNES.
Which of the statements given above is/are correct?CorrectAnswer and Explanation:
Answer: (c) Both 1 and 2
Explanation:
• Statement 1 is correct. Chang’e 6 is meticulously crafted to retrieve samples from the lunar south pole, contributing pivotal data for understanding the Moon’s geological intricacies.
• Statement 2 is correct. The mission involves international collaboration, incorporating payloads from the European Space Agency (ESA) and the French space agency CNES, including instruments for ion testing, radon gas measurement, and radar calibration.
Therefore, both statements are correct.IncorrectAnswer and Explanation:
Answer: (c) Both 1 and 2
Explanation:
• Statement 1 is correct. Chang’e 6 is meticulously crafted to retrieve samples from the lunar south pole, contributing pivotal data for understanding the Moon’s geological intricacies.
• Statement 2 is correct. The mission involves international collaboration, incorporating payloads from the European Space Agency (ESA) and the French space agency CNES, including instruments for ion testing, radon gas measurement, and radar calibration.
Therefore, both statements are correct.
