Daily Current Affairs MCQs: 20th April 2025 - Bank Exams MCQ

K2-18b is suggested to support habitability primarily due to its hydrogen-rich atmosphere, which may allow for the presence of liquid water beneath its surface. This characteristic is essential for creating conditions that could potentially support life, making K2-18b an intriguing candidate for further exploration in the search for extraterrestrial life.

Dimethyl sulfide (DMS) is a compound primarily produced by marine phytoplankton on Earth. Its detection in the atmosphere of K2-18b is significant because if found in excess, it could suggest potential biological activity, hinting at the presence of life. This makes the search for DMS an important focus in astrobiology.

The initiative known as "Catch and Revoke" utilizes AI to monitor the political views of visa holders, particularly through social media. This has raised concerns among Indian officials regarding its impact on students, particularly as a significant portion of visa revocation notices have been issued to Indian nationals. The initiative reflects broader issues of surveillance and individual rights in immigration policy.

The ride-hailing market in India is projected to grow at a compound annual growth rate (CAGR) exceeding 18% from 2023-24 to 2031-32. This growth is driven by innovations in service models and increasing demand for convenient transportation options, highlighting the sector's potential for expansion in the coming years.

The Chief Justice of India criticized the Uttar Pradesh government for the increasing trend of converting civil disputes into criminal cases. This practice is seen as a misuse of the legal system, where parties may leverage criminal charges to exert pressure on their opponents in civil matters, undermining the integrity of legal proceedings.

Aryabhata was India's first satellite, launched on April 19, 1975. It was named after the famous ancient Indian mathematician and astronomer Aryabhata, reflecting India's rich cultural heritage and aspirations in space technology. The satellite was intended for experiments in solar physics and X-ray astronomy.

INS Sunayna serves as an offshore patrol ship within the Indian Navy, designed for various roles including fleet support, coastal and offshore patrolling, and ocean surveillance. Its capabilities underscore India's commitment to maritime security and operational readiness in the Indian Ocean Region.

The Davis Strait proto-microcontinent is characterized as a submerged landmass with thick continental crust, measuring between 19 to 24 kilometers in thickness. This discovery enhances our understanding of tectonic evolution in the region and the geological history of the Earth’s crust.

The clinical trial for Parkinson's disease at Kyoto University employs induced pluripotent stem cells (iPSCs), which are reprogrammed from adult somatic cells to an embryonic-like state. This innovative approach aims to provide a potential avenue for restoring lost neurons, addressing the root cause of the disease rather than merely alleviating symptoms.

The IOS SAGAR initiative aims to unite navies and maritime agencies of the Southwest Indian Ocean Region on an Indian Naval platform. Focused on cooperation and training, it underscores India's role as a key security partner in the region, promoting collective maritime security and collaboration among nations.