Science & Technology Current Affairs MCQs

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Scientists in the USA have discovered a bacteria named Ca. Electrothrix yaqonensis that can conduct electricity. It is named after the Yaqona people, indigenous to the Yaquina Bay region in the USA. This bacterium is notable for its ability to conduct electricity, a rare trait among bacteria. The conductivity helps optimize metabolic functions in sediment environments. Ca. Electrothrix yaqonensis holds potential for developing bioelectronic devices in medicine, industry, and food safety. These bacteria can transfer electrons to clean up pollutants, making them useful for removing harmful substances from sediments.

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The Indian National Space Promotion and Authorization Centre (IN-SPACe) has invited applications for a new initiative called Satellite Bus as a Service (SBaaS). The Indian National Space Promotion and Authorization Centre (IN-SPACe has launched the ‘Satellite Bus as a Service’ (SBaaS) initiative. This initiative aims to help Indian private space companies design and develop small satellite bus platforms for hosted payload applications. A satellite bus is the main body and structural component of a satellite where scientific instruments and other payloads are housed. The SBaaS initiative will help democratize access to space technology in India and reduce the country’s reliance on imported satellite platforms.

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The Hubble Space Telescope recently completed 35 years of space exploration since its launch on April 24, 1990. It is the first dedicated space-based telescope system and is named after astronomer Edwin Hubble. The idea of such a telescope was first proposed in the 1940s by US astronomer Lyman Spitzer. It was launched as a joint mission between the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA). ESA contributed 15% of the mission’s cost in return for 15% of observation time. Its launch was delayed from 1986 to 1990 due to technical issues and the Space Shuttle Challenger disaster. Hubble orbits Earth at around 569 km in Low Earth Orbit and observes ultraviolet, visible, and infrared light. It was designed to be repaired and upgraded in space, making it a renewable telescope. This historic telescope continues to help scientists understand galaxies, stars, and the vast universe beyond Earth.

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On April 2, 2025, the National Aeronautics and Space Administration (NASA) reported that asteroid 2024 YR4 has a 3.8% chance of hitting the Moon on December 22, 2032. YR4 is a Near-Earth Asteroid (NEA) discovered in December 2024 using the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Chile. It is classified as a Near-Earth Object (NEO) because its orbit brings it close to Earth—within 1.3 times the Earth-Sun distance. In February 2025, YR4 triggered NASA’s highest-ever asteroid impact alert. Infrared data from the James Webb Space Telescope estimates its size at around 65 metres, similar to a 10-storey building. Since it is below 140 metres in size, it is not labeled a “Potentially Hazardous Asteroid.” Earlier, it had a 1% chance of hitting Earth, but updated analysis now shows almost no threat to our planet.

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In November 2022 and July 2023, the National Aeronautics and Space Administration (NASA) observed Titan, Saturn’s largest moon, using the James Webb Space Telescope (JWST) and the Keck Observatory. Titan is the second-largest moon in the solar system and the only one with a thick atmosphere and surface lakes of methane and ethane. It has Earth-like weather patterns, including clouds, rainfall, and changing seasons. Scientists detected clouds in Titan’s mid- and high northern latitudes that rose over time, showing convection-driven weather. This is the first confirmed evidence of such cloud activity near Titan’s northern seas like Kraken Mare and Ligeia Mare. The findings deepen our understanding of Titan’s methane cycle, which works like Earth’s water cycle, and offer clues about prebiotic chemistry on icy moons.

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At the I/O Developers Conference 2025, Google launched its AI-first restructuring strategy called AI Matryoshka. AI Matryoshka is a multi-layered artificial intelligence ecosystem where Google’s core AI acts like the central brain, similar to a Matryoshka doll. It is built around Gemini 2.5 models and aims to change how users, developers, and enterprises interact with technology. This system powers everything from Application Programming Interfaces (APIs) to user-facing apps. The goal is to deeply embed AI across all Google platforms and create smart, autonomous systems that respond in real time.

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Union Minister of State (Independent Charge) for Science & Technology, Dr. Jitendra Singh launched Bharat Gen Multimodal Large Language Model (LLM) at the BharatGen Summit. BharatGen is India’s first government-funded, indigenously built Artificial Intelligence (AI) based Multimodal Large Language Model. It is developed under the National Mission on Interdisciplinary Cyber-Physical Systems (NM-ICPS) and implemented by the TIH Foundation for Internet of Things (IoT) and Internet of Everything (IoE) at the Indian Institute of Technology (IIT) Bombay.

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Tourette Syndrome is a neurological disorder that causes sudden, involuntary movements or vocal sounds called tics. It usually starts between the ages of 2 and 15, with the average age of onset around six. It affects around 0.3% to 1% of the global population, as highlighted in recent reports. The condition is more common in boys than in girls. Tics can be mild or severe and may include blinking, jerking, or making sounds. In severe cases, it can impact speech, daily activities, and overall quality of life.

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The NASA-ISRO Synthetic Aperture Radar (NISAR) satellite has recently reached the Indian Space Research Organisation’s (ISRO) spaceport at Sriharikota. It is a joint mission between the National Aeronautics and Space Administration (NASA) and ISRO to study Earth’s changes. NISAR uses Synthetic Aperture Radar (SAR) technology to send energy pulses and measure how much is reflected back from Earth. This helps in capturing sharp images of the Earth even during darkness or cloudy weather. It detects changes in land, forests, and ice, and is useful for monitoring natural disasters and soil conditions.

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The Centre for Development of Telematics (C-DOT) recently launched the ‘Samarth’ Incubation Program to support startups in the Telecom and Information and Communication Technology (ICT) sector. C-DOT is an autonomous telecom research and development institution under the Department of Telecommunications (DoT), Government of India. The program offers financial grants, advanced technical resources, and expert guidance to help startups grow from idea stage to commercial success. It focuses on building sustainable and scalable business models.