Daily Quiz

Solution (b)
Explanation:
• Technologies related to space exploration include tools like rovers (used on Mars) or space telescopes (like the James Webb Space Telescope).
• Both Storm Shadow and ATACMS are advanced weaponry systems used in modern warfare –
o Storm Shadow: It is a long-range, air-launched cruise missile developed by France and the UK. It is designed to target high-value, hardened assets like command centers and bunkers. It has been used in conflicts such as the Libya conflict.
o ATACMS: The Army Tactical Missile System (ATACMS) is an American surface-to-surface missile system. It is capable of delivering precision strikes at long ranges, up to 300 km, and has been used in various military operations by the United States Army. (Option (b) is correct)
• Climate change terminology usually involves terms such as carbon footprint, global warming, or greenhouse gases.
• Financial markets have their own terminologies, such as bonds, derivatives, and mutual funds.

Source: https://www.thehindu.com/opinion/editorial/%E2%80%8Bmad-doctrine-on-russias-revision-of-its-nuclear-doctrine/article68698072.ece

Solution (c)

Explanation:

• The World Economic Forum (WEF) Annual Meeting focuses on discussions about global economic trends, trade, and policies for inclusive growth. WEF deals with forward-looking global issues such as technology, economy, and sustainability. (Option (a) is incorrect)
• The G20 Summit primarily deals with the world’s major economies and focuses on international financial stability, global economic cooperation, and policy coordination. (Option (b) is incorrect)
• The Declaration on Future Generations is a central part of the UN’s Summit of the Future, which aims to address global challenges by focusing on sustainability, peace, security, and safeguarding the interests of future generations. The Summit resulted in a Global Digital Impact initiative and a Declaration on Future Generations, an inspirational call for national action. (Option (c) is correct)
• The COP26 (26th UN Climate Change Conference of the Parties) deals specifically with climate change, focusing on carbon reduction, renewable energy, and other environmental strategies. (Option (d) is incorrect)

Source: httpce

Solution (c)

Explanation:

• Quantum computing is the field of computing focused on the development of computers that use the principles of quantum mechanics to perform calculations. Projects in this field, such as IBM’s Q System One or Google’s Sycamore, are known for their work on quantum supremacy.
• Gravitational wave research is focused on detecting ripples in spacetime caused by the acceleration of massive celestial objects, such as merging black holes or neutron stars. The LIGO and VIRGO observatories are famous for their work in this field.
• LUX-ZEPLIN, XENON-nT, and PandaX-4T are all large-scale experimental projects focused on detecting dark matter. These projects are underground experiments using liquid xenon detectors to search for Weakly Interacting Massive Particles (WIMPs), a leading candidate for dark matter. The experiments are highly sensitive and aim to detect the rare interactions between dark matter particles and ordinary matter.
  • LUX-ZEPLIN: Located in the United States, this project aims to directly detect dark matter particles using a xenon detector.
  • XENON-nT: A dark matter detection experiment based at the Gran Sasso National Laboratory in Italy.
  • PandaX-4T: This project is based in China and is one of the largest liquid xenon detectors in the world, focused on searching for dark matter particles. (Option (c) is correct)
• Astrobiology is the study of the origin, evolution, and potential life in the universe, including projects like NASA’s Mars Perseverance rover or the James Webb Space Telescope for studying exoplanets.
• Dark Matter: Makes up approximately 27% of the universe’s mass-energy content but does not emit or interact with electromagnetic radiation, making it invisible and detectable only through its gravitational effects.
• WIMPs (Weakly Interacting Massive Particles): A primary candidate for dark matter, WIMPs are hypothesized particles that interact through gravity and possibly the weak force but are difficult to detect. These projects aim to provide direct evidence of WIMPs through highly sensitive detectors.

Source: https://www.thehindu.com/sci-tech/science/lux-zeplin-data-dark-matter-quests-dire-neutrino-fog/article68697527.ece

Solution (c)

Explanation:

• Each pollen grain typically contains two types of cells: the generative cell, which divides to form the sperm cells (reproductive cells), and the vegetative cell (non-reproductive), which is responsible for forming the pollen tube that aids in fertilization. The vegetative cell ensures the transport of sperm cells to the ovule. This division between reproductive and non-reproductive functions is typical of pollen in flowering plants. (Statement 1 is correct)
• Sporopollenin is one of the most chemically inert biological polymers. It forms the outer wall of pollen grains (called the exine) and protects the pollen from environmental stresses like desiccation, UV radiation, and microbial attack. This feature makes pollen grains highly durable and fossilizable, enabling scientists to study ancient ecosystems. (Statement 2 is correct)
• Palynology is the scientific study of pollen, spores, and other microscopic plant structures. It has broad applications in various fields such as botany, paleontology, and even forensic science. In paleoclimatology, palynologists study pollen trapped in sediments to reconstruct past climates and vegetation patterns. (Statement 3 is correct)

Source: https://epaper.thehindu.com/ccidist-ws/th/th_delhi/issues/101553/OPS/GI9DD679V.1.png?cropFromPage=true

Solution (a)

Explanation:

• Small Modular Reactors (SMRs) typically offer a power output of 30-300 megawatts electric (MWe) per unit. This is much smaller than conventional nuclear reactors, which typically produce power in the range of 1,000 MWe or more. The smaller size and modularity of SMRs make them suitable for locations that may not require or cannot support large nuclear plants. These reactors are considered ideal for remote areas, industrial applications, and places where the electrical grid may not be robust enough to support large-scale reactors. (Statement 1 is correct)
• One of the key advantages of SMRs is extensive prefabrication. SMRs are designed to be factory-fabricated and then transported to the site for installation. This modular approach allows for shorter construction times, reduced costs, and improved quality control. The majority of an SMR’s components can be manufactured off-site, allowing for better scalability and more efficient assembly compared to traditional large reactors. (Statement 2 is incorrect)
• SMRs are designed to be simpler and more efficient than traditional large nuclear reactors. They incorporate passive safety features, meaning they rely on natural physical processes like convection and gravity for cooling, rather than complex mechanical systems that require external power. The reduced complexity in their design and safety mechanisms makes SMRs more attractive for deployment, as they are expected to require fewer operational personnel and less maintenance. (Statement 3 is incorrect)

Source: https://www.iaea.org/newscenter/news/what-are-small-modular-reactors-smrs & https://epaper.indianexpress.com/c/75949672