Daily UPSC Prelims Current Affairs – February 21, 2023 [Mock Test]
March 6, 2023 March 6, 2023
1. Atmospheric water generators are used for which of the following?
[A] To produce artificial rain in rain-deficit regions
[B] To produce potable water from surrounding air
[C] For drip irrigation for sustainable agriculture
[D] For cleaning the polluted rivers
Show Answer
Correct Answer: B [To produce potable water from surrounding air]
Notes:- Atmospheric Water Generator is being manufactured by BEL in collaboration with CSIR-IICT and MAITHRI, a start-up company based in Hyderabad.
- It employs a novel technology to extract water from the humidity present in the atmosphere and purify it.
- It uses heat exchange for condensing the atmospheric moisture to produce pure, safe and clean potable water.
- It uses technology to produce potable water from surrounding air. This provides the potential to expand water availability during shortages, contamination events, and other issues that can interrupt drinking water services.
2. Consider the following statements:
- Guyots and seamounts are volcanic in origin.
- Shoal is a detached elevation with shallow depths.
- A reef is predominantly organic deposit made by living or dead organisms.
Which of the statements given above is/are correct?
[A] Only 3
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: D [1, 2 & 3]
Notes:- The flat-topped mountains (seamounts) are known as guyots.
- It is a mountain with pointed summits, rising from the seafloor that does not reach the surfaceof the ocean. Seamounts are volcanic in origin. These can be 3,000-4,500 m tall.
- A shoal is a detached elevation with shallow depths. Since they project out of water with moderate heights, they are dangerous for navigation.
- A reef is a predominantly organic deposit made by living or dead organisms that forms a mound or rocky elevation like a ridge.
3. Consider the following statements:
- Vanuatu is a Y-shaped archipelago and is south-west of Australia.
- Vanuatu is part of the Australasia Eco zone.
- Vanuatu’s closest neighbors are Fiji, New Caledonia, Solomon Islands and Australia.
Which of the statements given above is/are correct?
[A] Only 2
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: C [Only 2 & 3]
Notes:- Vanuatu, officially the Republic of Vanuatu, is a Melanesian island nation located in the South Pacific Ocean. The capital of the Republic of Vanuatu is Port Vila.
- Vanuatu is a Y-shaped archipelago of 83 islands and is north-east of Australia.
- Vanuatu is part of the Australasia Eco zone.
- It contributes less than 0.0018% of global greenhouse gas emissions and is a carbon-negative country.
- Vanuatu’s closest neighbors are Fiji, New Caledonia, Solomon Islands and Australia.
