Daily Current Affairs MCQs: 22nd June 2025 - Humanities/Arts MCQ

Quantum Key Distribution (QKD) serves to establish secure communication channels by ensuring that any attempt to intercept the key used for encryption is immediately detected. This process relies on the principles of quantum entanglement, making it a robust method for maintaining privacy in communications.

Indian Railways increased its share of passenger vehicle dispatches to over 20% of total car production by 2024-25, a significant rise from just 1.7% in 2014-15. This shift reflects strategic reforms aimed at enhancing efficiency and supporting sustainability in logistics.

The B-2 Spirit stealth bomber is known for its low observability, designed to evade sophisticated air defenses. Its radar cross-section is comparable to that of a small bird, which is a key feature of its stealth capabilities, enabling it to carry out precision strikes undetected.

The integration aims to improve the accessibility of rare blood types, particularly for patients requiring complex treatments, such as those with thalassemia and sickle cell anemia. This connection allows hospitals to quickly identify compatible rare blood matches, enhancing patient care and safety.

The fossil fuel financing by the 65 largest banks increased by 22.8% in 2024, totaling $869 billion, up from $707 billion in the previous year. This trend raises concerns about the commitment of banks to climate goals, especially in the face of rising global temperatures and environmental crises.

The "Rail Coefficient" refers to the percentage of cars transported by rail. This metric has increased significantly in recent years, reflecting the Railways' efforts to enhance efficiency and sustainability in the logistics of transporting passenger vehicles.

e-Rakt Kosh is designed to provide real-time information on blood stock availability, which significantly improves the management of blood resources and facilitates quicker responses to patient needs. This feature is critical in ensuring that hospitals can meet the demand for blood transfusions efficiently.

"Prepare-and-measure QKD" involves one party preparing photons in specific quantum states, which are then sent to another party for measurement. This method is fundamental in establishing secure communication channels, as it ensures that any eavesdropping attempts can be detected.

Finland's decision to withdraw from the Ottawa Convention stems from increasing military threats from Russia. This highlights the ongoing tension between maintaining military readiness and adhering to humanitarian commitments, as the convention aims to eliminate the dangers posed by anti-personnel mines.

The National Quantum Mission is pivotal in supporting research and infrastructure development in quantum technologies in India. Established with significant funding, it aims to enhance national security and civilian applications, positioning India as a leader in the global quantum technology arena. This initiative underscores the government's commitment to advancing technological capabilities.