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GK One-Liners

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April 21, 2025

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Crisp, concise facts perfect for quick revision and last-minute exam preparation.

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How to use today’s GK page

A quick routine: skim One-Liners → test with the Mini-Quiz → deepen with Short Notes.

Daily revision (5–7 min) Exam-ready structure Mobile friendly

📌 One-Liners

  1. Scroll the categories (they may change daily).
  2. Read the bold title then the short sub-line for context.
  3. Watch for acronyms—today’s quiz/notes expand them.

🧠 Mini-Quiz

  1. Answer the 3 MCQs without peeking.
  2. Tap Submit to reveal answers and explanations.
  3. Note why an option is correct—this locks facts into memory.

📒 Short Notes

  1. Read the 3 compact explainers—each builds on a different topic.
  2. Use them for a quick recap or add to your personal notes.
  3. Great for mains/PI: definitions, timelines, and “why it matters”.
💡 Pro tip: Use the sticky Jump to menu at the top to hop between sections. If you’re short on time, do One-Liners now and the Mini-Quiz + Short Notes later.

📝 Short Notes • 21 Apr 2025

3 compact, exam-focused notes built from today’s GK365 one-liners. Use for last-minute revision.

WHO Pandemic Agreement Draft Finalised — 194 Member States

International

What: All 194 member states of the World Health Organization (WHO) finalised the draft of a global Pandemic Agreement after three years of negotiations. The draft was developed by the Intergovernmental Negotiating Body (INB), established by the World Health Assembly (WHA) in December 2021 in response to lessons from the COVID-19 pandemic. The agreement is expected to be formally approved at the 78th World Health Assembly in Geneva from May 19–27, 2025. Key provisions include the Pathogen Access and Benefit Sharing (PABS) system, a One Health approach, equitable technology transfer, and a coordinating financial mechanism. Crucially, the agreement reaffirms national sovereignty — the WHO cannot mandate lockdowns, travel bans, or vaccination programmes.

How: The PABS system establishes a framework for countries to share pathogen samples with WHO-linked laboratories while receiving fair benefits — such as access to vaccines and diagnostics developed from those samples — in return. The One Health approach recognises the interconnection between human, animal, and ecosystem health as the foundation for pandemic prevention. The sovereignty clause was a major sticking point during negotiations, with several countries (including India) insisting that no international body could override national public health decisions.

Why: The WHO Pandemic Agreement is a landmark multilateral health governance development for UPSC GS-II (international organisations, global health governance) and GS-III (disaster management, public health). Key MCQ anchors: number of member states (194), negotiating body (INB, est. Dec 2021), approval forum (78th WHA, Geneva, May 19–27, 2025), key provisions (PABS, One Health, tech transfer, coordinating financial mechanism), sovereignty safeguard (WHO cannot mandate lockdowns/travel bans/vaccines). The PABS full form and the ‘sovereignty reaffirmed’ clause are the strongest exam differentiators.

Google ‘Ironwood’ — 7th Generation AI Chip

Frontier Tech

What: Google launched ‘Ironwood’ — its 7th generation AI chip — specifically optimised for inference computing (running trained AI models in real-time applications, as opposed to training them). Ironwood features 192 gigabytes (GB) of High Bandwidth Memory (HBM) per chip and a memory bandwidth of 7.2 terabytes per second (Tbps) — 4.5 times faster than its predecessor, the Trillium chip. At scale, a pod of 9,216 Ironwood chips delivers 42.5 exaflops of computing power — surpassing the current world’s fastest supercomputer, El Capitan (2.79 exaflops, November 2024). Ironwood is based on Google’s proprietary Tensor Processing Units (TPUs) and is available exclusively through Google or Google Cloud.

How: Unlike general-purpose Graphics Processing Units (GPUs), Google’s TPUs are custom-designed Application-Specific Integrated Circuits (ASICs) built specifically for the matrix multiplication operations at the core of neural network computation. Focusing on inference (rather than training) reflects the industry shift: as large language models reach maturity, the bottleneck is now in deploying them efficiently at scale for billions of users. The 42.5 exaflop figure at pod scale is notable because it dwarfs current national supercomputing capabilities — placing commercial AI infrastructure ahead of scientific high-performance computing.

Why: AI hardware milestones — especially ‘first’ or ‘most powerful’ designations — are tested in UPSC Science & Technology sections and Banking/SSC awareness. Key facts: chip name (Ironwood), generation (7th), company (Google, Mountain View), focus (inference computing), HBM capacity (192 GB), memory bandwidth (7.2 Tbps/chip, 4.5× vs Trillium), pod compute (42.5 exaflops at 9,216 chips), comparison benchmark (El Capitan, 2.79 exaflops, world’s fastest supercomputer Nov 2024), chip architecture (TPU), access route (Google / Google Cloud). The El Capitan comparison and the inference-vs-training distinction are the most likely UPSC-level differentiators.

Mirabai Chanu — Chairperson, IWLF Athletes Commission

Sports

What: Saikhom Mirabai Chanu (Manipur) was elected Chairperson of the newly formed International Weightlifting Federation (IWF) — now renamed International Weightlifting and Lifting Federation (IWLF) — Athletes Commission in 2025, serving a 4-year term. Sathish Kumar Sivalingam (2× Commonwealth Games gold medallist) was appointed Vice-Chairperson. Chanu is the second Indian to win an Olympic weightlifting medal — after Karnam Malleswari (Bronze, Sydney 2000). Her own record includes: Olympic Silver at Tokyo 2020 (total lift: 210 kg), Commonwealth Games Gold in 2018 and 2022, and World Championship Gold in 2017 and Silver in 2022.

How: The IWLF Athletes Commission provides active and retired athletes a formal voice in the governance of the sport — influencing decisions on competition formats, anti-doping policy, athlete welfare, and rules changes. Its creation as a newly formed body in 2025 reflects the broader global push for athlete representation in sports governance following reforms encouraged by the International Olympic Committee (IOC). Chanu’s election as Chair gives India significant influence in shaping international weightlifting’s future, particularly as the sport seeks to rebuild its credibility after doping controversies that threatened its Olympic inclusion.

Why: Mirabai Chanu is one of the most frequently tested Indian sports personalities across all competitive exams. Key MCQ anchors: IWLF Athletes Commission Chairperson (Chanu), Vice-Chairperson (Sathish Kumar Sivalingam), term (4 years), commission formation year (2025), Chanu’s ‘second Indian Olympic weightlifting medallist’ status, first Indian (Karnam Malleswari, Sydney 2000 Bronze), Chanu’s Tokyo 2020 Silver (210 kg total), CWG Gold years (2018, 2022), World Gold year (2017). The Karnam Malleswari–Chanu lineage is a standard paired-fact MCQ.

🧠 Mini-Quiz: Test Your Recall

3 questions from today’s one-liners. No peeking!

1

The WHO Pandemic Agreement draft was negotiated by a body established by the World Health Assembly in December 2021. What is the name of this negotiating body, and at which WHA session is the agreement expected to be approved?

Correct Answer: C — The negotiating body is the Intergovernmental Negotiating Body (INB), established by the WHA in December 2021. The draft is scheduled for approval at the 78th WHA, Geneva, May 19–27, 2025. Option A uses a real WHO body — the IHR Review Committee — that handles the International Health Regulations, a related but distinct instrument. Option B substitutes a plausible-sounding ‘Working Group’ title. Option D correctly names the INB but shifts the approval session to the 79th WHA, testing whether candidates know the specific session number.
2

Mirabai Chanu is described as the second Indian to win an Olympic weightlifting medal. Who was the first, and at which Olympic Games did they win?

Correct Answer: C — Karnam Malleswari won the Bronze medal at the Sydney 2000 Olympics — becoming the first Indian woman to win an Olympic medal in weightlifting and the first Indian weightlifter to reach the Olympic podium. Option A uses Sathish Kumar Sivalingam — Chanu’s Vice-Chairperson and a 2× CWG gold medallist — who has never competed at the Olympics. Option B shifts Malleswari’s medal to Atlanta 1996 (where she competed but did not medal). Option D uses Kunjarani Devi — a legendary Indian weightlifter with multiple World and Asian Championship medals — who never won an Olympic medal.
3

MAHAGENCO and ROSATOM signed an MoU for India’s first thorium-based Small Modular Reactor (SMR). Which stage of India’s three-stage nuclear programme does thorium fuel correspond to?

Correct Answer: C — Thorium as the primary fuel belongs to Stage 3 of India’s three-stage nuclear programme, to be deployed in Advanced Heavy Water Reactors (AHWRs). India holds the world’s largest thorium reserves (estimated 30% of global supply), making Stage 3 central to long-term energy security. Option A correctly describes Stage 1 (PHWRs + natural uranium) — a factual alternative, not a trap. Option B correctly describes Stage 2 (Fast Breeder Reactors + Pu MOX), linked to the Kalpakkam PFBR covered in yesterday’s notes. Option D is the most precise distractor: thorium is indeed used as a blanket material in some FBRs (Stage 2) to breed uranium-233, but it is not the primary fuel — that role belongs to Stage 3 exclusively.
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📒 Short Notes: Build Concept Depth (3 Topics)

Each note gives you a quick What–How–Why on a high-yield news item from today’s GK365 one-liners.

Ajay Bhushan Pandey — Vice President, Asian Infrastructure Investment Bank (AIIB)

Economy

What: The Asian Infrastructure Investment Bank (AIIB) appointed Ajay Bhushan Pandey as Vice President, Investment Solutions. He will oversee the Strategy and Transaction Functions (STF), Sovereign Finance Department (SFD), and Portfolio Management Department (PMD). A retired Maharashtra-cadre IAS officer (retired February 2021), Pandey previously served as Finance Secretary and Revenue Secretary in the Ministry of Finance, Chairperson of the National Financial Reporting Authority (NFRA), and Chairman of the Goods and Services Tax Network (GSTN). He is credited with key roles in building India’s Aadhaar, UPI, GSTN, and National Infrastructure Pipeline frameworks. AIIB is headquartered in Beijing, was established in 2016, has 110 member countries, an authorised capital of USD 100 billion, and India is its second largest shareholder.

How: The AIIB was proposed by China in 2013 and formally established in 2016 as a multilateral development bank focused on infrastructure investment in Asia and beyond. India joined as a founding member and is the second largest shareholder after China, giving it significant voting influence and a seat on the Board of Governors. As VP for Investment Solutions, Pandey will be central to approving and managing the bank’s project portfolio — a role that leverages his experience in India’s infrastructure finance architecture.

Why: AIIB appointments, India’s shareholding, and multilateral bank roles are tested in Banking (IBPS, RBI Grade B) and UPSC GS-II (international organisations, multilateral finance). Key facts: AIIB HQ (Beijing), established (2016), members (110), capital (USD 100 bn), India’s position (2nd largest shareholder), new VP (Ajay Bhushan Pandey), his department (Investment Solutions), previous roles (Finance Secretary, Revenue Secretary, NFRA Chair, GSTN Chairman), contributions (Aadhaar, UPI, GSTN, NIP). Pandey’s multi-domain resume — spanning digital public infrastructure and financial regulation — makes him a strong Mains essay/interview anchor.

MAHAGENCO–ROSATOM MoU — India’s First Thorium-Based SMR

Science & Research

What: Maharashtra State Power Generation Company Limited (MAHAGENCO), headquartered in Mumbai (established 2005), signed a Memorandum of Understanding (MoU) with ROSATOM — Russia’s state nuclear energy corporation, headquartered in Moscow — for the development of India’s first thorium-based Small Modular Reactor (SMR) in Maharashtra. The MoU was signed in the presence of Chief Minister Devendra Fadnavis. A joint working group comprising MAHAGENCO, ROSATOM, MITRA, and the Global Technology Alliance has been formed. The project will comply with standards set by the Atomic Energy Regulatory Board (AERB) and the Department of Atomic Energy (DAE).

How: A Small Modular Reactor (SMR) is a nuclear fission reactor with a power output typically below 300 MW — significantly smaller than conventional large nuclear plants (1,000+ MW). SMRs can be factory-manufactured, transported in modules, and assembled on-site, making them faster and cheaper to deploy than traditional reactors. A thorium-based SMR is significant for India because India holds approximately 30% of the world’s thorium reserves (primarily in Kerala’s coastal sand deposits), making it a long-term fuel security asset. This aligns with Stage 3 of India’s three-stage nuclear programme.

Why: SMRs, ROSATOM’s role in India’s nuclear sector, and thorium reserves are increasingly tested in UPSC GS-III (nuclear energy, energy security) and Science & Technology awareness. Key facts: MoU parties (MAHAGENCO + ROSATOM), type (India’s first thorium-based SMR), location (Maharashtra), CM presence (Devendra Fadnavis), MAHAGENCO details (Mumbai, est. 2005), ROSATOM HQ (Moscow), regulatory compliance (AERB + DAE), nuclear programme link (Stage 3 — thorium as primary fuel). This MoU bridges the PFBR news from April 20 (Stage 2) with the Stage 3 thorium goal — a conceptual progression worth noting for UPSC Mains.

Maharashtra — DPS Flamingo Lake Declared Conservation Reserve

Environment

What: The Maharashtra State Board for Wildlife (SBWL), chaired by Chief Minister Devendra Fadnavis, declared the 30-acre DPS Flamingo Lake in Navi Mumbai as a Conservation Reserve. It is the first wetland linked to the Thane Creek Flamingo Sanctuary (TCFS) to receive formal legal protection as a Conservation Reserve. In the same meeting, the SBWL approved the expansion of Bor Wildlife Sanctuary (Wardha district) by incorporating five villages: Garamsur, Yenidodka, Methiraji, Umarvihori, and Maraksur.

How: A Conservation Reserve is a category of protected area under the Wildlife (Protection) Act, 1972 (Section 36A), established on community or private land with the consent of local bodies — making it less restrictive than a Wildlife Sanctuary or National Park. The DPS Flamingo Lake declaration is ecologically significant because it creates a protected buffer connecting to the Thane Creek Flamingo Sanctuary, which hosts one of the largest greater and lesser flamingo aggregations in India (up to 1.5 lakh birds seasonally). The Bor WLS expansion improves habitat connectivity for tigers and leopards in the Vidarbha landscape.

Why: New Conservation Reserve declarations and Wildlife Sanctuary expansions are tested in UPSC GS-III (biodiversity, protected area network, Wildlife Protection Act) and Environment sections of State PSC exams (especially Maharashtra PSC). Key facts: DPS Flamingo Lake (30 acres, Navi Mumbai, Conservation Reserve), link to TCFS (Thane Creek Flamingo Sanctuary), legal category (Conservation Reserve under WPA 1972, Section 36A), Bor WLS expansion (Wardha district, 5 new villages), SBWL chair (CM Devendra Fadnavis), Forest Minister (Ganesh Naik). The Section 36A legal basis for Conservation Reserves — distinct from Sections 18 (Wildlife Sanctuary) and 35 (National Park) — is a UPSC Prelims trap worth memorising.

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Prashant Chadha

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