Science & Technology Current Affairs Quiz — All time
Daily news by your exam, state and topic — each with a short summary, key facts and MCQs.
The 4-terminal silicon/CdTe-perovskite tandem solar cell developed by IIT Bombay-incubated startup ART-PV India, highlighted in July 2025, has a conversion efficiency of:
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Correct answer: B — 29.8%
PIB (MNRE): ART-PV India has developed a 4-terminal Silicon/CdTe-Perovskite tandem solar cell with a conversion efficiency of 29.8%.
Consider the following statements about the National Centre for Photovoltaic Research and Education (NCPRE): 1. It was launched at IIT Bombay in 2010 with funding from MNRE. 2. MNRE has provided over ₹200 crore to NCPRE over the last 15 years. Which of the statements given above is/are correct?
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Correct answer: C — Both 1 and 2
PIB (MNRE): NCPRE was launched at IIT Bombay in 2010 with MNRE funding, and MNRE has provided over Rs 200 crore funding to NCPRE over the last 15 years. Both are correct.
NITI Aayog's Third Regional Consultative Meeting on 'Ease of Doing Research & Development', held on 14–15 July 2025, took place at:
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Correct answer: B — IIT Jammu
PIB (NITI Aayog): the Third Regional Consultative Meeting on 'Ease of Doing R&D' was held on 14–15 July 2025 at IIT Jammu, Jammu & Kashmir.
Consider the following statements about the Union Health Ministry's clarification of 15 July 2025: 1. The ministry's advisory asks for display of Oil and Sugar Boards at workplaces as a behavioural nudge. 2. The advisory directs vendors to put warning labels on samosa, jalebi and laddoo. Which of the statements given above is/are correct?
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Correct answer: A — 1 only
PIB (MoHFW): the advisory is about displaying Oil and Sugar Boards in workplaces as a behavioural nudge, so 1 is correct; it does not direct warning labels on food products sold by vendors, so 2 is wrong.
ADIDOC, launched on 14 July 2025, is a:
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Correct answer: A — Carbon fibre foot prosthesis
MoD: DRDO and AIIMS Bibinagar unveiled ADIDOC, an indigenously developed optimised carbon foot prosthesis.
Which DRDO laboratory co-developed the ADIDOC foot prosthesis with AIIMS Bibinagar?
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Correct answer: D — DRDL
MoD: ADIDOC was developed by the Defence Research & Development Laboratory (DRDL), DRDO, with AIIMS Bibinagar.
Up to what load has the ADIDOC prosthesis been tested, and what is its stated cost?
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Correct answer: B — Up to 125 kg; under ₹20,000
MoD: ADIDOC has been tested for loads up to 125 kg and costs under ₹20,000; imported equivalents cost about ₹2 lakh.
According to ISRO, at what time (IST) did the Axiom-4 Crew Dragon undock from the ISS on 14 July 2025?
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Correct answer: B — 16:45 IST
ISRO: 'On July 14, 2025 (16:45 hrs IST), Crew Dragon spacecraft ... successfully undocked from International Space Station.'
After undocking on 14 July 2025, where was the Axiom-4 Crew Dragon expected to splash down, according to ISRO?
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Correct answer: C — Near the coast of California, USA
ISRO: the Crew Dragon spacecraft is expected to splash down near the coast of California, USA, on July 15, 2025 at 15:00 hrs (IST).
President Droupadi Murmu attended which convocation of AIIMS Bhubaneswar on 14 July 2025?
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Correct answer: B — Fifth
President's Secretariat: the President graced the 5th convocation ceremony of AIIMS Bhubaneswar on 14 July 2025.
According to ISRO, in which ISS module was the Axiom-4 crew's farewell ceremony on 13 July 2025 marked with commemorative patches and final photographs?
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Correct answer: C — Harmony
ISRO: Expedition 73 crew and mission control teams marked the occasion with commemorative mission patches and final photographs in the Harmony module.
What is the title of the WHO technical brief, highlighted by the Ayush Ministry on 12 July 2025, that featured India's Ayush innovations?
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Correct answer: C — Mapping the Application of Artificial Intelligence in Traditional Medicine
Ministry of Ayush: WHO has released a technical brief titled 'Mapping the Application of Artificial Intelligence in Traditional Medicine'.
According to the WHO brief cited by the Ayush Ministry in July 2025, India was the first country to launch which of the following?
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Correct answer: A — Traditional Knowledge Digital Library (TKDL)
Ministry of Ayush release headline: 'India first country to launch a Traditional Knowledge Digital Library: WHO'.
What size of India's Ayush market does the WHO brief note, as per the Ayush Ministry (July 2025)?
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Correct answer: D — US$43.4 billion
Ministry of Ayush: 'Ayush Sector Fuels Economic Growth: WHO Notes India's US$43.4 Billion Market'.
From which aircraft was the Astra BVRAAM with an indigenous RF seeker flight-tested on 11 July 2025?
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Correct answer: B — Su-30 Mk-I
MoD: DRDO and IAF flight-tested Astra with indigenous RF seeker from the Su-30 Mk-I platform off the coast of Odisha.
What was the key indigenous component validated in the Astra flight-tests of 11 July 2025?
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Correct answer: D — Radio Frequency (RF) seeker
MoD: the tests validated Astra equipped with an indigenous Radio Frequency (RF) Seeker designed and developed by DRDO.
What is the range of the Astra BVRAAM, as stated by the Ministry of Defence in July 2025?
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Correct answer: C — Exceeding 100 km
MoD: Astra BVRAAM has a range exceeding 100 km.
The flight data of the Astra tests on 11 July 2025 was captured by range tracking instruments of which facility?
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Correct answer: A — Integrated Test Range, Chandipur
MoD: the performance was validated through flight data captured by range tracking instruments deployed by the Integrated Test Range (ITR), Chandipur, Odisha.
Under the DoT's Sanchar Mitra Scheme, who serve as 'Sanchar Mitras'?
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Correct answer: C — Student volunteers acting as digital ambassadors
DoT: Sanchar Mitras are student volunteers who act as digital ambassadors to lead digital literacy and telecom awareness.
In the first outreach programme of the Sanchar Mitra Scheme on 11 July 2025, the Assam LSA partnered with how many engineering colleges?
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Correct answer: A — 18
DoT: in the first outreach programme, Assam LSA partnered with 18 prominent engineering colleges across the state.
What is the title of the whitepaper on quantum-safe cybersecurity launched by MeitY on 11 July 2025?
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Correct answer: D — Transitioning to Quantum Cyber Readiness
MeitY: MeitY, CERT-In and SISA jointly launched a whitepaper titled 'Transitioning to Quantum Cyber Readiness'.
Along with MeitY, which two entities jointly launched the 'Transitioning to Quantum Cyber Readiness' whitepaper?
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Correct answer: B — CERT-In and SISA
MeitY: the Ministry, the Indian Computer Emergency Response Team (CERT-In) and cybersecurity firm SISA jointly launched the whitepaper.
When and where is Semicon India 2025 scheduled, as announced by MeitY on 11 July 2025?
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Correct answer: A — 2–4 September 2025, Yashobhoomi (IICC), New Delhi
MeitY: Semicon India 2025 will be held from 2nd to 4th September 2025 at Yashobhoomi (IICC), New Delhi.
What is the title of the NITI Aayog report released on 10 July 2025 on state-level science bodies?
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Correct answer: C — A Roadmap for Strengthening State S&T Councils
NITI Aayog: it released the strategic report titled 'A Roadmap for Strengthening State S&T Councils'.
Who officially launched NITI Aayog's 'A Roadmap for Strengthening State S&T Councils' on 10 July 2025?
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Correct answer: D — Suman Bery
NITI Aayog: the report was officially launched by Shri Suman Bery, Vice Chairman, NITI Aayog, with Dr Jitendra Singh as Chief Guest.
What does the Machine Vision Based Inspection System (MVIS), covered by the Railways–DFCCIL MoU of July 2025, do?
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Correct answer: A — Captures images of the under-gear of moving trains and flags hanging, loose or missing parts
Ministry of Railways: MVIS is an AI/ML-based wayside system that captures high-resolution images of the under-gear of moving trains and automatically detects hanging, loose or missing components.
With which organisation did Indian Railways sign the MoU for installing MVIS in July 2025?
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Correct answer: B — DFCCIL
Ministry of Railways: the MoU was signed with the Dedicated Freight Corridor Corporation of India Limited (DFCCIL).
Under the Railways–DFCCIL MoU of July 2025, how many MVIS units will DFCCIL procure, install and commission?
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Correct answer: C — Four
Ministry of Railways: DFCCIL will be responsible for the procurement, supply, installation, testing and commissioning of four MVIS units.
Scientists of which institute studied Karewa leaf fossils to reconstruct Kashmir's ancient climate (reported July 2025)?
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Correct answer: D — Birbal Sahni Institute of Palaeosciences, Lucknow
DST: researchers from the Birbal Sahni Institute of Palaeosciences (BSIP), Lucknow, carried out the study.
The BSIP study linked the change in Kashmir's climate to the uplift of which mountain range, which blocked the summer monsoon?
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Correct answer: A — Pir Panjal Range
DST: the researchers linked the shift to the tectonic uplift of the Pir Panjal Range, which blocked the Indian summer monsoon from reaching the valley.
Which method did the BSIP scientists use to estimate past temperature and rainfall from the shape, size and margins of fossil leaves?
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Correct answer: B — CLAMP (Climate Leaf Analysis Multivariate Program)
DST: using CLAMP, the scientists examined the shape, size and margins of fossil leaves to determine temperature and rainfall patterns, cross-checked with the coexistence approach.
The VTU-VRIF-TCOE Hub and Spoke Centre of Excellence inaugurated by Jyotiraditya Scindia on 10 July 2025 is located in which city?
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Correct answer: B — Bengaluru
Ministry of Communications: Shri Scindia inaugurated the VTU-VRIF-TCOE Hub and Spoke Centre of Excellence in Bengaluru.
TRAI's Independent Drive Test findings released on 9 July 2025 covered Una and Mandi in which Licensed Service Area?
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Correct answer: B — Himachal Pradesh
TRAI: it released IDT findings for the Himachal Pradesh Licensed Service Area, including Una and Mandi cities.
At which university was the Agritech Innovation Hub inaugurated by Dharmendra Pradhan and Jayant Chaudhary on 8 July 2025?
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Correct answer: A — Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut
Ministry of Education: the Agritech Innovation Hub was inaugurated at the College of Technology, SVPUAT, Meerut.
The Agritech Innovation Hub at SVPUAT, Meerut, inaugurated in July 2025, is powered by which institute?
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Correct answer: C — IIT Ropar
Ministry of Education: the Hub is powered by the Indian Institute of Technology (IIT) Ropar.
According to TRAI's Yearly Performance Indicators 2024-25, how many internet subscribers did India have at the end of March 2025?
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Correct answer: D — 969.10 million
TRAI: total internet subscribers increased from 954.40 million at the end of Mar-24 to 969.10 million at the end of Mar-25.
How many broadband subscribers were there in India at the end of March 2025, as per TRAI's 2024-25 yearly indicators?
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Correct answer: A — 944.12 million
TRAI: out of 969.10 million internet subscribers, 944.12 million were broadband and 24.98 million narrowband at the end of Mar-25.
What was the yearly growth rate of total internet subscribers in 2024-25, as per TRAI?
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Correct answer: B — 1.54%
TRAI: internet subscribers grew at a yearly rate of 1.54%; broadband subscribers grew at 2.17%.
The Dholpur Science Centre inaugurated on 8 July 2025 was developed by which department along with NII and the National Science Centre?
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Correct answer: D — Department of Biotechnology
Ministry of Science & Technology: the Centre was developed by the Department of Biotechnology (DBT) in partnership with the National Institute of Immunology and the National Science Centre.
Which DRDO laboratory designed and developed the Extended Range Anti-Submarine Rocket (ERASR)?
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Correct answer: B — Armament Research & Development Establishment (ARDE), Pune
MoD: DRDO's ARDE, Pune, with HEMRL and NSTL, designed and developed ERASR.
How many ERASRs were test-evaluated during the user trials concluded on 7 July 2025?
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Correct answer: C — 17
MoD: a total of 17 ERASRs were successfully test evaluated at different ranges.
From which Indian Navy ship were the ERASR user trials of June–July 2025 carried out?
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Correct answer: D — INS Kavaratti
MoD: user trials of ERASR were successfully carried out from INS Kavaratti from 23 June to 7 July 2025.
Which companies are the production partners for the ERASR?
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Correct answer: A — Bharat Dynamics Limited, Hyderabad and Solar Defence & Aerospace Limited, Nagpur
MoD: Bharat Dynamics Limited, Hyderabad and Solar Defence & Aerospace Limited, Nagpur are the production partners.
What bioeconomy target for 2030 did Dr Jitendra Singh reiterate on World Bioproduct Day 2025?
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Correct answer: B — $300 billion
Ministry of S&T: the Minister reiterated the government's commitment to realising a $300 billion bioeconomy by 2030.
The nationwide 'World Bioproduct Day – The BioE3 Way' celebration of 7 July 2025 was organised by which department along with BIRAC and iBRIC+?
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Correct answer: D — Department of Biotechnology
Ministry of S&T: the event was organised by the Department of Biotechnology (DBT) and its agencies BIRAC and iBRIC+.
Astronomers of which Indian institute studied tiny loops in the solar corona using IRIS and Goode Solar Telescope data (reported July 2025)?
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Correct answer: A — Indian Institute of Astrophysics
DST: astronomers at the Indian Institute of Astrophysics (IIA) and collaborators carried out the study.
At which institute was the Phenome India 'National Biobank' inaugurated on 6 July 2025?
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Correct answer: A — CSIR-IGIB, New Delhi
Ministry of S&T: Dr Jitendra Singh inaugurated the Phenome India 'National Biobank' at the CSIR-Institute of Genomics and Integrative Biology (IGIB) in the capital.
From how many individuals will the nationwide cohort study backed by the National Biobank collect genomic, lifestyle and clinical data?
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Correct answer: C — 10,000
Ministry of S&T: the Biobank will serve as the backbone of a nationwide cohort study collecting data from 10,000 individuals across India.
How many nursing officers in Delhi were offered appointment, according to the Health Ministry release of 6 July 2025?
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Correct answer: D — 1,388
Health Ministry: appointment offered to 1,388 Nursing Officers and 41 allied healthcare professionals; letters were issued that day to 570 Nursing Officers and 20 refractionists.
Along with distributing appointment letters on 6 July 2025, what did J P Nadda flag off at Vigyan Bhawan?
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Correct answer: B — Ayushman Bharat Registration Vans
Health Ministry: Shri Nadda distributed appointment letters and flagged off Ayushman Bharat Registration Vans.
IPF MEDICON 2025, inaugurated by Om Birla on 5 July 2025, was which edition of the Innovative Physicians Forum's annual international conference?
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Correct answer: C — 7th
Lok Sabha Secretariat: Shri Birla inaugurated the 7th Annual International Conference of the Innovative Physicians Forum – IPF MEDICON 2025 in New Delhi.
How many Aadhaar authentication transactions were carried out in June 2025, according to UIDAI?
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Correct answer: C — 229.33 crore
UIDAI: Aadhaar number holders carried out 229.33 crore authentication transactions in June 2025.
What record did UIDAI's face authentication set in June 2025?
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Correct answer: A — 15.87 crore transactions
UIDAI: in June 2025, a record number of 15.87 crore face authentication transactions were recorded, against 4.61 crore in June 2024.
How much land has the Odisha Government offered for the proposed Science City in Bhubaneswar (July 2025)?
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Correct answer: A — 100 acres
Ministry of Science & Technology: the Odisha Government has offered 100 acres of land for the proposed Science City.
The draft amendments released on 2 July 2025 aim to allow more TV rating agencies besides which existing body?
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Correct answer: C — Broadcast Audience Research Council
I&B Ministry: the draft removes restrictive provisions to allow more players besides the current BARC (Broadcast Audience Research Council).
According to the I&B Ministry (July 2025), about how many people meters are used to capture TV viewership in India?
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Correct answer: D — 58,000
I&B Ministry: only about 58,000 people meters are presently used, representing just 0.025% of the roughly 230 million TV homes.
The Policy Guidelines for Television Rating Agencies, proposed for amendment in July 2025, were originally issued in which year?
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Correct answer: A — 2014
I&B Ministry: the ministry proposed amendments to the Policy Guidelines for Television Rating Agencies, originally issued in 2014.
The ICMR–NCDC studies on sudden unexplained deaths (July 2025) focused on adults of which age group?
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Correct answer: D — 18–45 years
Health Ministry: ICMR and NCDC worked to understand sudden unexplained deaths, especially in young adults between the ages of 18 and 45 years.
Which ICMR institute conducted the multicentric matched case–control study on sudden deaths across 47 hospitals in 19 states/UTs?
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Correct answer: A — National Institute of Epidemiology
Health Ministry: the first study, conducted by ICMR's National Institute of Epidemiology (NIE), was carried out from May to August 2023 across 47 tertiary care hospitals in 19 states and UTs.