Science & Technology Current Affairs Quiz — All time
Daily news by your exam, state and topic — each with a short summary, key facts and MCQs.
Who heads the Lodha Mathematical Sciences Institute (LMSI) launched in Mumbai on 17 August 2025?
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Correct answer: D — V. Kumar Murty
V. Kumar Murty, a former Director of the Fields Institute; Manjul Bhargava is on its scientific advisory panel.
Which Fields Medallist is on the scientific advisory panel of the Lodha Mathematical Sciences Institute launched in Mumbai in August 2025?
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Correct answer: B — Manjul Bhargava
Manjul Bhargava of Princeton University.
Shubhanshu Shukla, who returned to India on 17 August 2025, visited the International Space Station as part of which mission?
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Correct answer: D — Axiom-4
Axiom-4, a private space mission that lifted off from Florida on 25 June 2025.
Which Gaganyaan astronaut, Shubhanshu Shukla's backup for the Axiom-4 mission, also returned to India with him on 17 August 2025?
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Correct answer: C — Prashanth Balakrishnan Nair
Group Captain Prashanth Balakrishnan Nair, the designated backup for the mission.
Consider the following statements about Shubhanshu Shukla's return to India on 17 August 2025: 1. The Axiom-4 mission had lifted off from Florida on 25 June 2025. 2. He was received at Delhi airport by ISRO Chairman S. Somanath. Which of the statements given above is/are correct?
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Correct answer: A — 1 only
Only 1 is correct. ISRO Chairman V. Narayanan received him at the airport, along with Jitendra Singh and Rekha Gupta.
Which body issued the Manual for Rating of Properties for Digital Connectivity on 13 August 2025?
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Correct answer: D — Telecom Regulatory Authority of India
The Telecom Regulatory Authority of India (TRAI) issued the Manual for Rating of Properties for Digital Connectivity, the country's first standardised framework of its kind.
Consider the following statements about TRAI's digital connectivity rating manual of August 2025: 1. It was developed under the Rating of Properties for Digital Connectivity Regulations, 2024. 2. TRAI noted that less than half of mobile data is consumed indoors. Which of the above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct: the manual was developed under the Rating of Properties for Digital Connectivity Regulations, 2024. Statement 2 is incorrect: TRAI noted that more than 80% of mobile data is consumed indoors.
Who was the Chairman of the Telecom Regulatory Authority of India (TRAI) when it issued the Manual for Rating of Properties for Digital Connectivity in August 2025?
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Correct answer: A — Anil Kumar Lahoti
Anil Kumar Lahoti.
The Birbal Sahni Institute of Palaeosciences (BSIP), which signed an MoU with IGNCA on 13 August 2025, is located in which city?
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Correct answer: D — Lucknow
Lucknow; BSIP is an autonomous institute under the Department of Science and Technology.
The IGNCA–BSIP MoU of 13 August 2025 supports which project on climate change in maritime history?
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Correct answer: A — Project Mausam
Project Mausam.
What was the combined outlay of the four semiconductor projects approved by the Union Cabinet on 12 August 2025?
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Correct answer: B — About ₹4,600 crore
The Cabinet approved four semiconductor projects with a cumulative investment of about ₹4,600 crore, expected to create 2,034 skilled jobs.
India's first commercial compound fab for silicon carbide devices, approved in August 2025, will come up in which state?
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Correct answer: C — Odisha
SiCSem will set up India's first commercial compound fab for silicon carbide devices at Info Valley, Bhubaneswar, Odisha.
Consider the following statements about the semiconductor approvals of 12 August 2025: 1. With these approvals, the number of projects approved under the India Semiconductor Mission rose to 10. 2. The CDIL unit approved on this date is located in Andhra Pradesh. Which of the above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct: approved ISM projects reached 10, with cumulative investment of about ₹1.60 lakh crore across six states. Statement 2 is incorrect: the CDIL unit is located in Punjab; the ASIP unit is in Andhra Pradesh.
SiCSem's silicon carbide fab approved in August 2025 is to be set up in collaboration with Clas-SiC Wafer Fab Ltd. of which country?
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Correct answer: A — United Kingdom
SiCSem is setting up the compound semiconductor fab in collaboration with Clas-SiC Wafer Fab Ltd., UK.
The SHRESTH index launched by the Union Health Ministry on 12 August 2025 is meant to benchmark which of the following?
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Correct answer: A — State drug regulatory systems
SHRESTH is a national initiative to benchmark and strengthen state drug regulatory systems through a transparent, data-driven framework.
Which organisation proposed the SHRESTH index launched in August 2025?
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Correct answer: C — Central Drugs Standard Control Organisation
SHRESTH was proposed by the Central Drugs Standard Control Organisation (CDSCO) as a virtual gap-assessment tool for states.
Which company led the consortium selected by IN-SPACe in August 2025 to build India's first PPP-based Earth Observation constellation?
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Correct answer: B — Pixxel
IN-SPACe selected a consortium led by Pixxel, with Piersight Space, SatSure Analytics India and Dhruva Space, under its EO-PPP model.
How many satellites will the Earth Observation constellation awarded under IN-SPACe's EO-PPP model in August 2025 comprise?
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Correct answer: A — 12
The Pixxel-led consortium will deploy a constellation of 12 satellites carrying optical, hyperspectral and SAR sensors, investing over ₹1,200 crore.
Which city hosted the 18th International Olympiad on Astronomy and Astrophysics (IOAA) in August 2025?
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Correct answer: C — Mumbai
The 18th IOAA was held in Mumbai from 11 to 21 August 2025, organised by HBCSE-TIFR; PM Modi addressed it through a video message.
What milestone did UIDAI mark for Aadhaar Face Authentication on 10 August 2025?
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Correct answer: B — 200 crore transactions
UIDAI celebrated 200 crore Aadhaar Face Authentication transactions on 10 August 2025.
Consider the following statements about Aadhaar Face Authentication: 1. It reached 100 crore transactions in January 2025. 2. The rise from 100 crore to 200 crore transactions took more than a year. Which of the above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct: Face Authentication transactions doubled to 100 crore in January 2025. Statement 2 is incorrect: the count doubled from 100 crore to 200 crore in less than six months.
Who was the CEO of the Unique Identification Authority of India (UIDAI) when Aadhaar Face Authentication crossed 200 crore transactions in August 2025?
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Correct answer: D — Bhuvnesh Kumar
Bhuvnesh Kumar.
India's first-of-its-kind Animal Stem Cell BioBank, inaugurated on 9 August 2025, is located at which institute?
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Correct answer: B — NIAB, Hyderabad
The Animal Stem Cell BioBank and Laboratory was inaugurated at the National Institute of Animal Biotechnology (NIAB), Hyderabad.
Consider the following statements about the Animal Stem Cell BioBank at NIAB: 1. It will focus on regenerative medicine and cellular therapies for livestock. 2. Its expansion will be supported by the National Biopharma Mission of DBT–BIRAC. Which of the above is/are correct?
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Correct answer: C — Both 1 and 2
Both statements are correct. The biobank will focus on regenerative medicine and cellular therapies for livestock, and will be expanded with support from the National Biopharma Mission of DBT–BIRAC.
The Sanchar Saathi mobile app, which crossed 50 lakh downloads by August 2025, was launched by which department?
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Correct answer: B — Department of Telecommunications
The Sanchar Saathi app was introduced by the Department of Telecommunications (DoT) on 17 January 2025.
Consider the following statements about the Sanchar Saathi initiative: 1. The Sanchar Saathi portal was launched before the mobile app, in May 2023. 2. Under the Financial Fraud Risk Indicator, mobile numbers are categorised by their association with financial fraud risk. Which of the above is/are correct?
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Correct answer: C — Both 1 and 2
Both statements are correct. The portal was launched on 16 May 2023 and the app on 17 January 2025, and the FRI assesses and categorises mobile numbers by their association with financial fraud risk.
The CATCH Grant Program launched by IndiaAI and the National Cancer Grid in August 2025 supports AI innovations in which area?
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Correct answer: D — Cancer screening, diagnosis and treatment
CATCH (Cancer AI & Technology Challenge) supports AI innovations in cancer screening, diagnosis and treatment.
What was the maximum depth reached by an Indian aquanaut during the Indo-French deep dives in the Atlantic in August 2025?
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Correct answer: B — 5,002 m
Cdr (Retd) Jatinder Pal Singh reached 5,002 m, while Raju Ramesh reached 4,025 m, India's deepest-ever dives.
The Indian aquanauts' record dives of August 2025 were made aboard Nautile, a submersible belonging to which institution?
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Correct answer: D — IFREMER (France)
The dives were a collaborative activity with IFREMER (France), the French marine research institute, aboard its submersible Nautile.
Consider the following statements about India's Samudrayaan mission, as described in August 2025: 1. It aims to send three aquanauts to a depth of 6,000 m in the submersible MATSYA-6000 by 2027. 2. MATSYA-6000 is being developed by the National Institute of Oceanography, Goa. Which of the above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct: Samudrayaan aims to send three aquanauts to 6,000 m in MATSYA-6000 by 2027. Statement 2 is incorrect: MATSYA-6000 is being developed by the National Institute of Ocean Technology (NIOT), Chennai, under the Ministry of Earth Sciences.
Consider the following statements about MATSYA-6000: 1. It is designed for an operational endurance of 12 hours and an emergency endurance of up to 96 hours. 2. It completed wet trials at L&T Shipyard, Kattupalli, in early 2025. Which of the above is/are correct?
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Correct answer: C — Both 1 and 2
Both statements are correct. MATSYA-6000 is designed for 12 hours of operational and up to 96 hours of emergency endurance, and completed wet trials at L&T Shipyard, Kattupalli, Tamil Nadu, in January–February 2025.
A JNCASR study reported in August 2025 identified which microRNA–protein axis as regulating neuroinflammation and ferroptosis in Alzheimer's disease?
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Correct answer: C — miR-7a–Klf4
The researchers found a significant increase in miR-7a, which targets Klf4; the miR-7a–Klf4 axis regulates neuroinflammation and ferroptosis.
The first comprehensive venom profile of the black scorpion Heterometrus bengalensis, reported in August 2025, was prepared by scientists of an institute located in which city?
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Correct answer: D — Guwahati
The study was conducted by the Institute of Advanced Study in Science and Technology (IASST), Guwahati, an autonomous institute of DST.
'Agnishodh', the Indian Army Research Cell inaugurated by the Army Chief on 4 August 2025, is located at which institution?
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Correct answer: D — IIT Madras
Agnishodh, the Indian Army Research Cell, was established on the IIT Madras campus and inaugurated by General Upendra Dwivedi.
The Army's 'Agnishodh' research cell (August 2025) specifically advances which of the Army Chief's Five Pillars of Transformation?
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Correct answer: C — Modernisation and Technology Infusion
Agnishodh specifically advances the pillar of Modernisation and Technology Infusion, integrating academic research with operational applications.
Under the revised ComSec fee structure effective 1 August 2025, what is the security test evaluation fee for Group A telecom equipment?
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Correct answer: A — ₹10,000
Fees for Group A equipment dropped to ₹10,000 from ₹2,00,000 under the revised ComSec structure.
Consider the following statements about the DoT's ComSec changes announced in August 2025: 1. Optical Line Terminals and Optical Networking Terminals are under mandatory security testing. 2. Government R&D institutes such as C-DOT and CDAC are fully exempted from security test evaluation fees for applications until 31 March 2028. Which of the above is/are correct?
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Correct answer: B — 2 only
Statement 1 is incorrect: Optical Line Terminals and Optical Networking Terminals are subject to voluntary security certification. Statement 2 is correct: C-DOT, CDAC and other government R&D institutes are fully exempted for applications until 31 March 2028.
By up to what percentage did the Department of Telecommunications cut security test evaluation fees under the ComSec scheme, as announced on 4 August 2025?
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Correct answer: C — 95%
95%; fees that earlier ranged from ₹2,00,000 to ₹3,50,000 now range from ₹10,000 to ₹50,000.
After the 200 new Aam Aadmi Clinics announced by Punjab on 3 August 2025, the total number of such clinics in the state will be:
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Correct answer: B — 1,081
Punjab will open 200 new Aam Aadmi Clinics, taking the total from 881 to 1,081.
Consider the following statements about Punjab's healthcare announcements of 3 August 2025: 1. A WhatsApp chatbot was launched connecting all 881 existing Aam Aadmi Clinics. 2. The Mukhya Mantri Sehat Yojana provides treatment of up to ₹5 lakh per family. Which of the above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct: all 881 Aam Aadmi Clinics were connected to a WhatsApp chatbot. Statement 2 is incorrect: the Mukhya Mantri Sehat Yojana provides treatment of up to ₹10 lakh per family.
Under the BSNL–Numaligarh Refinery MoU announced in August 2025, India's first 5G Captive Non-Public Network (CNPN) will be deployed in which sector?
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Correct answer: A — Refinery sector
BSNL and NRL will collaborate to deploy India's first 5G CNPN within the refinery sector.
The BSNL–NRL MoU for a 5G captive network was signed during an 'Industry 4.0 Workshop for CPSEs' held in which city?
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Correct answer: D — Guwahati
The MoU was signed during the Industry 4.0 Workshop for CPSEs organised in Guwahati under the aegis of the Ministry of Finance.
According to the Health Ministry at the 15th Indian Organ Donation Day (August 2025), how many organ transplants did India perform in 2024?
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Correct answer: A — Over 18,900
India performed over 18,900 organ transplants in 2024, the highest ever recorded in a single year.
Consider the following statements made at the 15th Indian Organ Donation Day (August 2025): 1. India ranks second globally in the total number of organ transplants. 2. More than 3.30 lakh citizens have pledged their organs since the Aadhaar-based NOTTO online pledge website was launched in 2023. Which of the above is/are correct?
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Correct answer: B — 2 only
Statement 1 is incorrect: India ranks third globally, behind the United States and China. Statement 2 is correct: more than 3.30 lakh citizens have pledged their organs since the Aadhaar-based pledge website was launched in 2023.
Which body organised the 15th Indian Organ Donation Day in New Delhi on 2 August 2025?
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Correct answer: D — National Organ and Tissue Transplant Organization (NOTTO)
National Organ and Tissue Transplant Organization (NOTTO), under the Directorate General of Health Services.
How many medical camps are being conducted across Tamil Nadu under the 'Nalam Kaakkum Stalin' scheme launched in August 2025?
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Correct answer: A — 1,256
The Chief Minister said 1,256 camps are being conducted under the programme across all 38 districts.
Consider the following statements about Tamil Nadu's 'Nalam Kaakkum Stalin' scheme (August 2025): 1. It was launched at Santhome, Chennai, with camps across all 38 districts. 2. Priority is given to urban areas with large private hospitals. Which of the above is/are correct?
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Correct answer: A — 1 only
Statement 1 is correct: the scheme was launched at Santhome, Chennai, with camps inaugurated across all 38 districts. Statement 2 is incorrect: priority is given to rural areas, places with fewer specialised medical facilities and areas with a higher Scheduled Caste population.
The definitive list of Category A 'Ayurveda Aahara' products released by FSSAI in August 2025 follows regulations introduced in which year?
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Correct answer: B — 2022
The list follows the Food Safety and Standards (Ayurveda Aahara) Regulations introduced in 2022.
Which of the following was NOT among the Centres of Excellence recognised under the National Critical Mineral Mission in August 2025?
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Correct answer: D — IIT Madras
IIT Madras is not in the list. The four recognised IITs are those at Bombay, Hyderabad, Roorkee and the ISM campus in Dhanbad, along with CSIR-IMMT, CSIR-NML and NFTDC.
On which model will each Centre of Excellence under the National Critical Mineral Mission operate as a consortium?
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Correct answer: A — Hub & Spoke model
Each CoE will operate as a consortium on a Hub & Spoke model, with the hub institute bringing in industry and R&D or academic partners.
Which institute's study, highlighted in August 2025, found toxic metals in clouds over the Eastern Himalayas and Western Ghats?
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Correct answer: D — Bose Institute
The study was carried out by Bose Institute, an autonomous institute of DST, with observations over Darjeeling and Mahabaleshwar.
What is the price of BSNL's 'Freedom Plan' launched on 1 August 2025, which offers one month of 4G services?
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Correct answer: A — ₹1
The Freedom Plan is a limited-period ₹1 offer giving one month of BSNL 4G services with unlimited calls, 2 GB data per day, 100 SMS per day and a free SIM.
The Bharat National Cybersecurity Exercise 2025 was organised by the National Security Council Secretariat jointly with which institution?
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Correct answer: B — Rashtriya Raksha University
The exercise was organised jointly by the National Security Council Secretariat and Rashtriya Raksha University, with over 600 participants.
President Droupadi Murmu graced the first convocation of AIIMS Deoghar on 31 July 2025. In which State is Deoghar?
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Correct answer: C — Jharkhand
The convocation was held at Deoghar, Jharkhand.
Which rocket launched the NASA-ISRO satellite NISAR on 30 July 2025?
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Correct answer: A — GSLV-F16
NISAR was launched aboard GSLV-F16 from Sriharikota at 17:40 IST.
In the NISAR satellite launched on 30 July 2025, which radar bands were provided by NASA and ISRO respectively?
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Correct answer: C — L-band and S-band
NASA provided the L-band SAR and ISRO the S-band SAR.
Consider the following statements about the GSLV-F16/NISAR mission: 1. It was GSLV's first mission to a Sun-synchronous polar orbit. 2. It was the 12th flight of GSLV with the indigenous cryogenic stage. Which of the statements given above is/are correct?
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Correct answer: D — Both 1 and 2
Both statements are in the ISRO launch brochure; GSLV-F16 was also the 18th GSLV flight.
NISAR, launched on 30 July 2025, will scan the entire globe at what interval?
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Correct answer: B — Every 12 days
ISRO says NISAR will scan the globe and provide data at a 12-day interval.
How many chip-design projects had been sanctioned under the Design Linked Incentive scheme, as stated by MeitY on 30 July 2025?
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Correct answer: D — 23
MeitY said 23 chip-design projects had been sanctioned under DLI.
What is the outlay of the Design Linked Incentive (DLI) scheme under the Semicon India Programme?
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Correct answer: B — ₹1,000 crore
The DLI scheme has an outlay of ₹1,000 crore within the ₹76,000-crore Semicon India Programme.
Consider the following statements about the Design Linked Incentive scheme: 1. It offers a product design incentive of up to 50% of eligible costs, capped at ₹15 crore per application. 2. Chip designs from academic institutions under the scheme have been fabricated at SCL, Mohali. Which of the statements given above is/are correct?
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Correct answer: C — Both 1 and 2
Both are correct: the cap is ₹15 crore per application, and 20 designs from 17 institutions were fabricated at SCL, Mohali.
How many mobile handsets had been recovered through the Sanchar Saathi portal, as stated in the Lok Sabha on 30 July 2025?
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Correct answer: B — Over 5 lakh
The Minister said over 5 lakh mobile handsets had been recovered through Sanchar Saathi.
As per the Communications Minister's statement of 30 July 2025, what is BSNL's subscriber base?
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Correct answer: C — 9.1 crore
The Minister said BSNL's subscriber base had grown to 9.1 crore.