Science & Technology Current Affairs MCQs

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Iran successfully launched its Nahid-2 telecommunications and research satellite on 27 July 2025. The launch was done aboard a Russian Soyuz rocket as part of a multi-payload mission. Other payloads included Russia’s Unisphere-M3 and M4 and 18 satellites from various countries. The Soyuz rocket had earlier launched Iranian satellites like Khayyam, Pars-1, Kosar, and Hodhod. Nahid-2 is designed to stay in orbit for five years. It has an indigenous propulsion system that can adjust its altitude by up to 50 kilometers. This propulsion is key for maintaining orbital position and operational stability.

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Recently, Bengaluru-based space company Protoplanet launched the Human Outer Planetary Exploration (HOPE) station in Ladakh’s Tso Kar region. HOPE is a moon and Mars simulation research station mimicking off-Earth terrain and environment. It is located in the high-altitude cold desert of Tso Kar basin, Ladakh. The project is developed by Protoplanet with technical and financial support from Indian Space Research Organisation (ISRO). It aims to study human psychological, physiological, and epigenetic responses in extreme isolation. It supports India’s long-term space goals including a crewed lunar mission by 2040 and a space station by 2035.

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Seeds of seabuckthorn and Himalayan tartary buckwheat grown in Ladakh’s cold desert are part of NASA’s Crew-11 experiment on the International Space Station (ISS). The seeds were sourced by Indian space start-up Protoplanet based in Bengaluru. The mission launched on August 1, 2025, from Florida and docked at ISS on August 2, 2025. The experiment aims to test how seeds react to space stress and microgravity before germination. It focuses on gene activation and metabolic processes vital for space agriculture. Himalayan tartary buckwheat and seabuckthorn are rich in nutrients and suitable for long-duration space missions.

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Pfizer recently launched its 20-valent pneumococcal conjugate vaccine (PCV20) for adults in India. PCV20 protects against 20 serotypes causing most pneumococcal diseases. Pneumococcal disease is caused by the bacterium Streptococcus pneumoniae. It can cause mild infections like ear infections and severe ones like pneumonia, meningitis, and bloodstream infections. Around 90 serotypes exist globally; few cause most diseases. It is a major global health issue, especially affecting young children and the elderly in developing countries.

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Researchers have identified Ideonella sakaiensis, a bacterium that can degrade polyethylene terephthalate (PET) plastic. It belongs to the genus Ideonella and family Comamonadaceae. It uses polyethylene terephthalate (PET) as both a carbon and energy source, breaking it into harmless building blocks. These by-products can be consumed by I. sakaiensis and other organisms. It is discovered by researchers in Japan from PET-contaminated soil. It is Gram-negative, rod-shaped, motile, non-sporing, non-pigment-producing, and monotrichous.

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Indian Oil Corporation Ltd. (Indian Oil) became the first company in India to secure International Sustainability & Carbon Certification (ISCC) CORSIA for Sustainable Aviation Fuel (SAF) at its Panipat Refinery. The certification is mandatory for commercial SAF production and aligns India with global aviation fuel standards. Certificate was handed over by Cotecna to Indian Oil Chairman A.S. Sahney in New Delhi. ISCC CORSIA, developed under Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) of International Civil Aviation Organization (ICAO), ensures sustainability and lifecycle carbon standards.

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Arunachal Pradesh Education Minister Pasang Dorjee Sona inaugurated a state-of-the-art space laboratory at Mechuka in Shi-Yomi district. The lab is named Pasang Wangchuk Sona ISRO Space Laboratory in honour of his late father. It was set up at Mechuka Government Higher Secondary School in collaboration with Indian Space Research Organisation (ISRO) and Muskaan Foundation. The lab will provide students hands-on experience in space science and technology. It aims to foster curiosity, innovation, and scientific thinking among youth.

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Two Indian aquanauts recently conducted deep-sea dives in the Atlantic Ocean under Samudrayaan Project. They collected over 100 kg of cobalt-rich polymetallic nodules from 1,173 meters depth in the Andaman Sea. Deep Ocean Mission was launched by Ministry of Earth Sciences (MoES) on 7 September 2021 with ₹4,077 crore for 5 years. The mission develops technologies for exploring and using deep ocean resources sustainably. It supports India’s Blue Economy with potential to push maritime economy beyond ₹100 billion. It aligns with United Nations Decade of Ocean Science (2021–2030).

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NASA has launched “Surya”, an artificial intelligence (AI) model to improve space weather forecasting. Surya was developed in collaboration with IBM and trained on over nine years of data from NASA’s Solar Dynamics Observatory (SDO). It analyses massive streams of solar activity to detect early signs of solar flares and coronal mass ejections (CMEs). Solar storms can disrupt satellites, communication systems, aviation, GPS navigation, and power grids on Earth. Surya generates visual forecasts up to two hours in advance with higher accuracy than traditional methods. The model is open-source to enable global researchers to improve space weather defense.

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Seaweed farming has emerged as a potential Blue Carbon strategy, but empirical estimates of carbon burial from these farms are still limited. Blue Carbon refers to organic carbon captured and stored by oceans in vegetated coastal ecosystems such as mangrove forests, saltmarshes, and seagrass meadows. The term “Blue” highlights the watery nature of this carbon storage. Most blue carbon is carbon dioxide dissolved directly into the ocean. These ecosystems cover 2% of the ocean surface but account for 50% of the ocean’s carbon absorption. Blue carbon ecosystems are crucial for global climate change mitigation.