Science & Technology Current Affairs Quiz — All time
Daily news by your exam, state and topic — each with a short summary, key facts and MCQs.
Which element, never before observed in an Extreme Helium star, did IIA astronomers find in high amounts in the star A980 (reported June 2025)?
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Correct answer: D — Germanium
PIB (DST): The star A980, an Extreme Helium star, carries a surprisingly high amount of germanium, a metallic element never before observed in this type of star.
Which telescope did IIA astronomers use, with the Hanle Echelle Spectrograph, to study the star A980?
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Correct answer: A — Himalayan Chandra Telescope, Ladakh
PIB (DST): The answer is Himalayan Chandra Telescope, Ladakh: astronomers from IIA used the Hanle Echelle Spectrograph on this telescope.
Where was the three-day TTDF Symposium 2025, inaugurated on 19 June 2025, held?
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Correct answer: B — IIT Madras Research Park, Chennai
PIB (DoT): Dr. Neeraj Mittal inaugurated the three-day TTDF Symposium-2025 at the IIT Madras Research Park, Chennai.
About how many sanctioned TTDF projects made presentations at the TTDF Symposium 2025?
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Correct answer: C — About 120
PIB (DoT): About 120: presentations were made by almost 120 sanctioned TTDF projects, covering domains such as 6G, quantum communication and non-terrestrial networks.
The readiness of which facility, now open to academia and industry, was showcased at the TTDF Symposium 2025?
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Correct answer: D — Multi-Core Fiber (MCF) Testing Facility
PIB (DoT): The readiness of the Multi-Core Fiber (MCF) Testing Facility, now available for academia and industry, was showcased.
How many poisonous plant species used in traditional treatment did IASST Guwahati researchers identify in the study reported in June 2025?
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Correct answer: D — 70
PIB (DST): The IASST team reviewed existing literature and identified 70 poisonous plant species which are used traditionally to treat a wide array of illnesses.
In which city did BSNL soft-launch its Quantum 5G FWA service on 18 June 2025?
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Correct answer: B — Hyderabad
PIB (DoT): BSNL announced on June 18, 2025, in Hyderabad, the soft launch of BSNL Quantum 5G FWA.
Consider the following statements about BSNL Quantum 5G FWA: 1. It is a SIM-less fixed-wireless-access service. 2. A download speed of 980 Mbps was recorded at the Ameerpet Exchange. Which of the statements given above is/are correct?
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Correct answer: C — Both 1 and 2
PIB (DoT): The service has a SIM-less architecture, and Ameerpet recorded 980 Mbps download speed. Both are correct, so the answer is Both 1 and 2.
Under the Time Dissemination Project discussed on 18 June 2025, Indian Standard Time is to be delivered through how many Regional Reference Standard Laboratories?
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Correct answer: A — Five
PIB (DoCA): The initiative aims to deliver IST through five Regional Reference Standard Laboratories (RRSLs) equipped with atomic clocks; the answer is Five.
The Department of Consumer Affairs is implementing the Time Dissemination Project in collaboration with which institutions?
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Correct answer: D — CSIR-NPL and ISRO
PIB (DoCA): The Time Dissemination Project is implemented by the Department of Consumer Affairs in collaboration with CSIR-NPL and ISRO.
Which state signed an MoU with the Digital India BHASHINI Division on 18 June 2025 to promote multilingual governance in its native language?
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Correct answer: A — Mizoram
PIB (MeitY): The Digital India BHASHINI Division and the Government of Mizoram signed an MoU to empower the Mizo community through language technology.
Consider the following statements about the Mizoram–BHASHINI MoU of 18 June 2025: 1. The MoU was signed at Aizawl. 2. Mizoram Chief Secretary Khilli Ram Meena was present at the signing. Which of the statements given above is/are correct?
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Correct answer: B — 2 only
PIB (MeitY): The MoU was signed at the MeitY Office, CGO Complex, New Delhi, not Aizawl, in the presence of Mizoram Chief Secretary Khilli Ram Meena. So the answer is 2 only.
Fossil leaves found in Assam's Makum Coalfield, reported by DST on 17 June 2025, are the world's oldest known fossil record of which plant genus?
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Correct answer: A — Nothopegia
PIB (DST): The fossilized leaves, about 24–23 million years old, were the world's oldest known fossil record of the plant genus Nothopegia.
The Nothopegia fossil leaves studied by BSIP scientists were found in which coalfield?
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Correct answer: D — Makum Coalfield, Assam
PIB (DST): The fossil leaves were discovered in the Makum Coalfield, Assam.
Which DST institute developed a one-step method to synthesise nano-cup semi-shells for photothermal cancer therapy, as reported on 17 June 2025?
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Correct answer: B — Institute of Nano Science and Technology, Mohali
PIB (DST): Scientists from the Institute of Nano Science and Technology, Mohali (INST), with ACTREC and IIT Bombay, developed the one-step synthesis method.
What is the name of the national-level cyber security exercise that commenced on 16 June 2025?
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Correct answer: C — Cyber Suraksha
PIB (MoD): 'Cyber Suraksha', a comprehensive Cyber Security Exercise, commenced on June 16, 2025.
The 'Cyber Suraksha' exercise of June 2025 was organised by the Defence Cyber Agency under the aegis of:
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Correct answer: B — Headquarters Integrated Defence Staff
PIB (MoD): The exercise was organised by Defence Cyber Agency under the aegis of Headquarters Integrated Defence Staff.
Consider the following statements about the 'Cyber Suraksha' exercise: 1. It runs from 16 June to 27 June 2025. 2. Over 100 participants from national-level agencies and defence stakeholders are taking part. 3. A conclave of Chief Information Security Officers is part of the exercise. Which of the statements given above is/are correct?
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Correct answer: D — 1, 2 and 3
PIB (MoD): The exercise runs from 16 to 27 June 2025 with over 100 participants, and a CISOs conclave is dovetailed into it. All are correct, so the answer is 1, 2 and 3.
Under TRAI's Telecommunication Tariff (71st Amendment) Order, 2025, retail FTTH broadband plans up to 200 Mbps must be offered to PM-WANI Public Data Offices at tariffs not exceeding:
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Correct answer: A — Twice the corresponding consumer broadband price
PIB (DoT): The order mandates FTTH plans up to 200 Mbps be offered to PDOs at tariffs not exceeding twice the corresponding consumer broadband price.
TRAI's tariff order of 16 June 2025 on broadband for Public Data Offices relates to which scheme?
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Correct answer: D — PM-WANI
PIB (DoT): The order concerns broadband connectivity to Public Data Offices (PDOs) under the PM-WANI scheme.
The Telecom Regulatory Authority of India was established with effect from which date?
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Correct answer: B — 20 February 1997
TRAI (trai.gov.in): TRAI was established with effect from 20 February 1997 (20th February 1997) by the Telecom Regulatory Authority of India Act, 1997.
Over what distance did DRDO and IIT Delhi demonstrate entanglement-based free-space quantum secure communication, as announced on 16 June 2025?
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Correct answer: B — More than one km
PIB (MoD): Free-space quantum secure communication using quantum entanglement over a distance of more than one km was achieved.
Where was the free-space optical link for the DRDO–IIT Delhi quantum entanglement demonstration established?
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Correct answer: C — IIT Delhi campus
PIB (MoD): The communication was achieved via a free-space optical link established on the IIT Delhi campus.
Which institute hosted the annual meeting of the NDACC-IRWG, TCCON and COCCON communities from 16 to 20 June 2025?
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Correct answer: C — ARIES, Nainital
PIB (DST): ARIES, Nainital, an autonomous institute under DST, hosted the meeting at its Manora Peak campus from June 16-20, 2025.
Who inaugurated the international meeting on greenhouse gas observations at ARIES, Nainital on 16 June 2025?
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Correct answer: A — A. S. Kiran Kumar
PIB (DST): The meeting was inaugurated by former chairman, ISRO, A. S. Kiran Kumar on June 16, 2025.
Under the research reforms announced on 15 June 2025, the ceiling for direct purchases under GFR was raised to what amount?
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Correct answer: D — ₹2 lakh
PIB (S&T): the ceiling for direct purchases has been doubled from ₹1 lakh to ₹2 lakh.
Under the 15 June 2025 reforms, heads of research institutions can approve Global Tender Enquiries up to what value?
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Correct answer: C — ₹200 crore
PIB (S&T): heads of institutions can now approve Global Tender Enquiries (GTEs) up to ₹200 crore.
Consider the following statements about the 'Ease of Research' reforms of 15 June 2025: 1. Directors of scientific organisations and Vice Chancellors may make non-GeM purchases of specialised research equipment. 2. The limits for limited tender enquiries and advertised tenders were raised from ₹50 lakh to ₹1 crore. 3. The consultations behind the reforms were led by the NITI Aayog. Which of the statements given above is/are correct?
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Correct answer: B — 1 and 2 only
PIB (S&T): statements 1 and 2 are correct. Statement 3 is wrong because the consultations were led by the Principal Scientific Adviser's office, drawing on 13 IITs. So the answer is 1 and 2 only.
Which city was chosen as the national host for the 11th International Day of Yoga in 2025?
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Correct answer: A — Visakhapatnam
PIB (Ayush): Visakhapatnam was chosen as the national host for the 11th edition of IDY.
What reactor configuration is planned at the Gorakhpur Haryana Anu Vidyut Pariyojana reviewed on 14 June 2025?
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Correct answer: A — 4 × 700 MWe PHWRs
PIB (Power): the project involves setting up 4 × 700 MWe PHWRs (Pressurised Heavy Water Reactors).
What share of the electricity from GHAVP will be allocated to Haryana once completed?
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Correct answer: B — 50%
PIB (Power): once completed, 50% of the electricity generated will be allocated to the state of Haryana.
Consider the following statements about GHAVP as reviewed on 14 June 2025: 1. It is being implemented by NPCIL under the Department of Atomic Energy. 2. First criticality of Unit-1 is targeted by June 2030. Which of the statements given above is/are correct?
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Correct answer: C — Both 1 and 2
PIB (Power): the project is implemented by NPCIL under DAE, and Unit-1 first criticality is targeted by June 2030. So both 1 and 2 are correct.
In which city did MoS Kamlesh Paswan inaugurate Garuda Aerospace's Agri-Drone Indigenization Facility on 14 June 2025?
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Correct answer: C — Chennai
PIB (Rural Development): Kamlesh Paswan inaugurated Garuda Aerospace's new Agri-Drone Indigenization Facility in Chennai.
Which body organised 'Yoga Connect 2025' at Vigyan Bhawan on 14 June 2025?
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Correct answer: D — Central Council for Research in Yoga & Naturopathy
PIB (Ayush): the Central Council for Research in Yoga & Naturopathy (CCRYN), Ministry of Ayush, organised 'Yoga Connect' at Vigyan Bhawan.
What total allocation was announced for states under the Special Central Assistance Guidelines at the Agri Stack conference on 13 June 2025?
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Correct answer: A — ₹6,000 crore
PIB (Agriculture): a total allocation of ₹6,000 crore was announced to support States under the SCA Guidelines.
With which group of states were MoUs signed at the National Conference on Agri Stack on 13 June 2025?
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Correct answer: D — Maharashtra, Kerala, Bihar and Odisha
PIB (Agriculture): MoUs were signed with the States of Maharashtra, Kerala, Bihar and Odisha.
Consider the following statements about the Special Central Assistance Guidelines for Agri Stack launched on 13 June 2025: 1. ₹4,000 crore is earmarked for Farmer Registry, including legal heir systems. 2. ₹2,000 crore is earmarked for the Digital Crop Survey. 3. Funds will be distributed to states in proportion to their farmer population. Which of the statements given above is/are correct?
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Correct answer: B — 1 and 2 only
PIB (Agriculture): ₹4,000 crore is for Farmer Registry and ₹2,000 crore for Digital Crop Survey, so 1 and 2 are correct. Statement 3 is wrong because support is on a first-come-first-served basis. So the answer is 1 and 2 only.
Where was the first edition of the Health Ministry's Conclave on 'Best Practices' held on 13 June 2025?
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Correct answer: D — AIIMS Nagpur
PIB (Health): the first edition of the Conclave on 'Best Practices' was organised by the Health Ministry at AIIMS Nagpur.
The Technology Development Board's support to Clearsynth Labs, announced on 12 June 2025, is for a facility to manufacture what?
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Correct answer: B — Deuterated reagents and building blocks
PIB (DST): TDB extended financial support to Clearsynth Labs for commercial-scale production of deuterated reagents and building blocks.
Which organisation organised the third meeting of the ITU-T Focus Group FG-AINN in New Delhi from 11 June 2025?
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Correct answer: C — Telecommunication Engineering Centre (TEC)
PIB (Communications): the ITU event was organised by the Telecommunication Engineering Centre (TEC), the technical arm of the Department of Telecommunications.
Consider the following statements about the FG-AINN Build-a-thon 2025 held with the New Delhi meeting: 1. A total of 23 teams comprising 57 participants registered. 2. Fifteen teams were shortlisted for the final presentation. Which of the statements given above is/are correct?
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Correct answer: A — 1 only
PIB (Communications, 13 June 2025): 23 teams comprising 57 participants registered, so 1 is correct; 10 teams, not fifteen, were shortlisted for the final presentation, so 2 is wrong. So the answer is 1 only.
The Assam cabinet decision of 10 June 2025 raised the fixed monthly honorarium of ASHA workers to what amount from 1 October 2025?
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Correct answer: B — ₹4,000
PTI (ThePrint) and Assam Tribune: ASHA workers will get a fixed monthly honorarium of ₹4,000 instead of ₹3,000 from 1 October.
Consider the following statements about the Assam cabinet decision of 10 June 2025 on ASHA honorarium: 1. The Centre's share in an ASHA worker's honorarium rises to ₹2,500. 2. The revised honorarium takes effect from 1 April 2026. Which of the statements given above is/are correct?
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Correct answer: A — 1 only
PTI (ThePrint) and Assam Tribune: the Centre's share rises from ₹2,000 to ₹2,500; the revision takes effect from 1 October (2025), not 1 April 2026. So 1 only.
Under which mission did the Assam cabinet on 10 June 2025 approve land allotment in favour of 1,011 educational, religious and socio-cultural entities?
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Correct answer: D — Mission Basundhara
PTI (ThePrint) and Assam Tribune: land was allotted under Mission Basundhara to 1,011 entities in Sonitpur, Golaghat, Majuli and Kamrup.
The Global Young Scientists Conference and Annual General Meeting of the Global Young Academy, chaired by Dharmendra Pradhan on 10 June 2025, was held at which institution?
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Correct answer: A — IIT Hyderabad
PIB (Education): the conference and GYA AGM were held at IIT Hyderabad.
How many new members of the Global Young Academy were inducted at the event at IIT Hyderabad on 10 June 2025?
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Correct answer: D — 30
PIB (Education): Pradhan congratulated the 30 new members of GYA who were inducted during the event.
With the launch of NeVA on 9 June 2025, Puducherry became which legislature in the country to adopt the platform?
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Correct answer: C — 19th
PIB (I&B): with this launch, Puducherry becomes the 19th legislature in the country to adopt the NeVA platform.
Who inaugurated the National e-Vidhan Application (NeVA) for the Puducherry Legislative Assembly on 9 June 2025?
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Correct answer: D — L. Murugan
PIB (I&B): Union MoS for I&B and Parliamentary Affairs L. Murugan inaugurated NeVA for the Puducherry Legislative Assembly.
Consider the following statements about the National e-Vidhan Application (NeVA): 1. It is funded through 100% Central Assistance by the Ministry of Parliamentary Affairs. 2. It is funded on a 60:40 Centre–State sharing basis. Which of the statements given above is/are correct?
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Correct answer: A — 1 only
PIB (I&B) (static): NeVA, which enables paperless legislative functioning, is funded through 100% Central Assistance by the Ministry of Parliamentary Affairs, so a 60:40 sharing is wrong. So 1 only.
Under the BHASHINI–CRIS MoU of 9 June 2025, BHASHINI's language technology will be integrated into which CRIS-managed systems, among others?
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Correct answer: D — NTES and RailMadad
PIB (MeitY): BHASHINI's stack will be integrated into CRIS-managed systems such as the National Train Enquiry System (NTES) and RailMadad.
The BHASHINI–CRIS partnership of 9 June 2025 aims to let citizens access critical railway services in how many Indian languages?
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Correct answer: C — 22
PIB (MeitY): the integration will enable citizens to access critical railway services in 22 Indian languages.
What was the theme of World Food Safety Day 2025, observed on 7 June?
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Correct answer: B — Food Safety: Science in Action
This year's World Food Safety Day theme was “Food Safety: Science in Action”, which the Union Health Minister reaffirmed at the FSSAI event.
Where was FSSAI's World Food Safety Day 2025 programme, addressed by Union Health Minister J P Nadda, held?
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Correct answer: C — NIMHANS, Bengaluru
The FSSAI programme themed ‘Stop Obesity by Eating Safe and Healthy’ was held at NIMHANS, Bengaluru, where the Health Minister delivered the keynote.
At FSSAI's World Food Safety Day 2025 event, J P Nadda reiterated the Prime Minister's call to cut oil consumption by how much?
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Correct answer: A — 10%
J P Nadda reiterated the Prime Minister's call to cut oil consumption by 10%.
The DRDO laboratory VRDE, which transferred technologies of nine systems to industry on 7 June 2025, is located at
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Correct answer: D — Ahilyanagar
The Vehicles Research & Development Establishment (VRDE) is a DRDO laboratory located in Ahilyanagar, Maharashtra.
In June 2025, DRDO's VRDE transferred technologies of how many systems to how many industries?
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Correct answer: A — Nine systems to 10 industries
VRDE transferred technologies of nine systems to 10 industries, so the answer is Nine systems to 10 industries.
To which company did DRDO's VRDE transfer the technology of the Vajra Riot Control Vehicle on 7 June 2025?
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Correct answer: B — Tata Advanced Systems
VRDE transferred the Vajra Riot Control Vehicle technology to Tata Advanced Systems.
Odisha's new Government Medical College and Hospital in Kandhamal district, inaugurated on 7 June 2025, is located at
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Correct answer: D — Phulbani
Chief Minister Mohan Charan Majhi inaugurated the 100-seat medical college and 650-bed hospital at Phulbani in Kandhamal district.
According to UIDAI, how many Aadhaar authentication transactions were carried out in May 2025?
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Correct answer: B — Over 211 crore
Aadhaar number holders carried out Over 211 crore authentication transactions in May 2025, taking the cumulative total to more than 15,223 crore.
Which Indian shipyard signed an MoU on 3 June 2025 to build India's first Polar Research Vessel?
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Correct answer: D — Garden Reach Shipbuilders and Engineers
Kolkata-based Garden Reach Shipbuilders and Engineers (GRSE) signed the MoU and will build the Polar Research Vessel in its Kolkata yard.
GRSE's partner for design expertise on India's first Polar Research Vessel, Kongsberg, is from which country?
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Correct answer: B — Norway
Kongsberg is from Norway; the MoU was signed in Oslo in the presence of Union Minister Sarbananda Sonowal.
The Polar Research Vessel to be built by GRSE will take into account the requirements of which institution?
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Correct answer: C — National Centre for Polar and Ocean Research
The vessel will take into account the requirements of the National Centre for Polar and Ocean Research, which will use it for research in the polar and southern ocean realms.