Daily Current Affairs Quiz: December 31, 2025

Notes:
An under-construction ropeway to improve access to historic Rohtasgarh Fort in Rohtas district of Bihar collapsed during a trial run recently. Rohtasgarh Fort, also called Rohtas Fort, is located on the banks of the Sone River in Bihar. It is one of the largest forts in India and the world, spread over about 26 miles. The fort is situated on a hill around 1500 metres high with massive defensive walls. The complex has gates, palaces, temples and reservoirs showing Indo-Afghan architecture. It was built by Raja Harishchandra of the Solar dynasty and named after his son Rohitashva

Notes:
China released rare footage of the YJ-20 hypersonic anti-ship missile fired from a Type 055 guided missile destroyer warship. YJ-20, also called Eagle Strike-20, is a hypersonic anti-ship missile developed by China. It was first publicly displayed during China’s Victory Day military parade on 3 September 2025. The missile is designed to attack high-value naval assets like aircraft carriers at long ranges. It has a biconic aerodynamic shape that allows controlled glide after rocket boost. This shape creates shockwaves that protect control surfaces from extreme heat.

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Abu Dhabi, United Arab Emirates (UAE),’s Sheikh Khalifa Medical City became the first hospital worldwide to administer ITVISMA gene therapy. ITVISMA is a one-time gene therapy for spinal muscular atrophy (SMA), given on 28 December 2025. It replaces the defective Survival Motor Neuron 1 (SMN1) gene. This enables production of survival motor neuron protein, targeting the root genetic cause. It is approved for patients aged two years and above, including adults. Spinal Muscular Atrophy (SMA) is a rare, progressive neuromuscular disorder causing muscle weakness and life-threatening complications. The therapy may improve motor function and reduce long-term treatment dependence.

Notes:
Defence Research and Development Organisation (DRDO) conducted the maiden flight test of Pinaka Long Range Guided Rocket (LRGR-120). The test was carried out at Integrated Test Range (ITR), Chandipur, Odisha. It is an extended-range, precision-guided rocket for the Pinaka Multiple Launch Rocket System (MLRS) of the Indian Army. It was developed by Armament Research and Development Establishment (ARDE) with Research Centre Imarat (RCI), Hyderabad, and Defence Research and Development Laboratory (DRDL). The rocket has a maximum strike range of about 120 kilometres.

Notes:
A Legionnaires’ disease outbreak triggered a health alert in Sydney’s central business district, urging people to watch for symptoms. Legionnaires’ disease is a severe lung infection (pneumonia) caused by the bacterium Legionella. The disease was named after a 1976 outbreak at an American Legion convention in the United States. Legionella occurs naturally in freshwater sources like lakes, rivers and soil. Infection mainly happens by inhaling contaminated water droplets or soil particles. It does not spread from person to person and is not contagious. Older adults, smokers and immunocompromised people are at higher risk