Preparing current affairs every day is essential for success in UPSC, SSC, Banking, Railway, Defence, State PSC, UGC NET and other competitive examinations. This 50 Important Current Affairs MCQs with Answers & Explanations – 6 October 2026 practice set covers the most important national and international developments from India and around the world.
The questions cover science and technology, defence, economy, international affairs, environment, sports, awards, government initiatives and important days. Each MCQ includes the correct answer along with a concise explanation to help students understand and remember the relevant facts.
Use this daily current affairs quiz as a quick revision resource and regularly practise previous daily sets to strengthen your preparation for upcoming competitive examinations.
50 Important Current Affairs MCQs with Answers & Explanations – 6 October 2026
1. Who were awarded the 2026 Nobel Prize in Physiology or Medicine?
A) Karl Deisseroth, Peter Hegemann and Georg Nagel
B) Geoffrey Hinton, Yann LeCun and Yoshua Bengio
C) Jennifer Doudna, Emmanuelle Charpentier and Feng Zhang
D) Katalin Karikó, Drew Weissman and Victor Ambros
Answer: A) Karl Deisseroth, Peter Hegemann and Georg Nagel
Explanation: The 2026 Nobel Prize in Physiology or Medicine was awarded to Karl Deisseroth, Peter Hegemann and Georg Nagel for discoveries concerning light-gated ion channels and optogenetics. (Reuters)
2. The 2026 Nobel Medicine-winning work is primarily associated with which technique?
A) Gene editing
B) Optogenetics
C) Nuclear fusion
D) mRNA vaccination
Answer: B) Optogenetics
Explanation: Optogenetics uses light-sensitive proteins to control the activity of individual nerve cells, allowing researchers to study brain circuits with high precision. (Reuters)
3. Which Indian organisation collaborated with QNu Labs in demonstrating India’s first 5.56-km free-space QKD link?
A) DRDO
B) BISAG-N
C) ISRO
D) BARC
Answer: B) BISAG-N
Explanation: QNu Labs collaborated with BISAG-N and IIT Gandhinagar for the demonstration of India’s first free-space Quantum Key Distribution link over 5.56 km. (Press Information Bureau)
4. What does QKD stand for?
A) Quantum Knowledge Database
B) Quantum Key Distribution
C) Quantum Kernel Development
D) Quantum Kinetic Device
Answer: B) Quantum Key Distribution
Explanation: QKD is a secure communication technology based on quantum principles for distributing cryptographic keys.
5. What was the distance covered by India’s first demonstrated free-space QKD link?
A) 2.56 km
B) 4.56 km
C) 5.56 km
D) 7.56 km
Answer: C) 5.56 km
Explanation: The September 27–28 field trial established a secure quantum communication channel over 5.56 km between BISAG-N and IIT Gandhinagar. (Press Information Bureau)
6. Which company received ₹130 crore RDI support for Project VeerAI?
A) Tata Electronics
B) BigEndian Semiconductors
C) Bharat Electronics Limited
D) C-DAC
Answer: B) BigEndian Semiconductors
Explanation: The Technology Development Board signed an agreement with Bengaluru-based BigEndian Semiconductors for ₹130 crore in RDI support to develop an indigenous AI Vision SoC. (Press Information Bureau)
7. Project VeerAI aims to develop what?
A) Quantum computer
B) AI Vision System-on-Chip
C) Hydrogen engine
D) Satellite launch vehicle
Answer: B) AI Vision System-on-Chip
Explanation: Project VeerAI focuses on a camera-oriented AI Vision System-on-Chip, initially targeting secure surveillance and CCTV applications. (Press Information Bureau)
8. From which Technology Readiness Level to which level does Project VeerAI aim to advance?
A) TRL-1 to TRL-5
B) TRL-3 to TRL-7
C) TRL-5 to TRL-9
D) TRL-6 to TRL-8
Answer: C) TRL-5 to TRL-9
Explanation: The project aims to take the technology from TRL-5 to TRL-9, moving it toward commercial readiness. (Press Information Bureau)
9. Which portal crossed 30 crore visits in October 2026?
A) DigiLocker
B) UMANG
C) Sanchar Saathi
D) MyGov
Answer: C) Sanchar Saathi
Explanation: The Department of Telecommunications reported that the Sanchar Saathi portal had crossed 30 crore visits since its launch in May 2023. (Press Information Bureau)
10. Which Sanchar Saathi service allows citizens to report suspicious calls and messages?
A) Chakshu
B) Digi Yatra
C) BharatNet
D) Kavach
Answer: A) Chakshu
Explanation: Chakshu enables users to report suspected fraudulent communications such as fake KYC messages, impersonation calls and fraudulent investment offers. (Press Information Bureau)
11. Sanchar Saathi has helped recover more than how many lost or stolen handsets?
A) 1 lakh
B) 5 lakh
C) 10 lakh
D) 14 lakh
Answer: D) 14 lakh
Explanation: According to the Department of Telecommunications, more than 14 lakh lost or stolen handsets have been recovered through the ecosystem. (Press Information Bureau)
12. Which Indian institution is associated with the first-ever National Household Travel Survey?
A) NITI Aayog
B) NSO
C) RBI
D) TRAI
Answer: B) NSO
Explanation: The National Statistics Office under MoSPI conducted India’s first all-India National Household Travel Survey for July 2025–June 2026. (Press Information Bureau)
13. According to the National Household Travel Survey, which mode is used by the largest share of workers commuting to fixed workplaces?
A) Bus
B) Train
C) Two-wheeler
D) Bicycle
Answer: C) Two-wheeler
Explanation: Two-wheelers accounted for 42.6% of workers’ commuting to fixed workplaces. (Press Information Bureau)
14. What percentage of household overnight journeys are accounted for by buses and railways together, according to the NHTS headline findings?
A) 63.5%
B) 73.5%
C) 55.8%
D) 42.6%
Answer: A) 73.5%
Explanation: Buses accounted for 55.8% and railways 17.7% of household overnight journeys, giving a combined figure of 73.5%. (Press Information Bureau)
15. What was the average monthly expenditure on commuting to a fixed workplace per worker?
A) ₹585
B) ₹685
C) ₹785
D) ₹985
Answer: C) ₹785
Explanation: The NHTS reported an average monthly commuting expenditure of ₹785 per worker, with urban workers averaging more than rural workers. (Press Information Bureau)
16. Which joint military exercise between India and the UAE began on 5 October 2026?
A) Desert Warrior
B) Mountain Guardian
C) Desert Cyclone
D) Gulf Shield
Answer: B) Mountain Guardian
Explanation: Exercise MOUNTAIN GUARDIAN 2026 began in Chaubatia, Uttarakhand, on 5 October and focuses on mountain warfare. (Press Information Bureau)
17. Exercise Mountain Guardian 2026 is being conducted between India and which country?
A) Saudi Arabia
B) Oman
C) UAE
D) Qatar
Answer: C) UAE
Explanation: It is a joint India-UAE Army exercise aimed at improving interoperability and cooperation in mountainous terrain. (Press Information Bureau)
18. Where is Exercise Mountain Guardian 2026 being conducted?
A) Leh
B) Chaubatia, Uttarakhand
C) Jaisalmer
D) Visakhapatnam
Answer: B) Chaubatia, Uttarakhand
Explanation: The exercise commenced at the Foreign Training Node at Chaubatia, Uttarakhand. (Press Information Bureau)
19. How many personnel are participating in Exercise Mountain Guardian 2026?
A) 52
B) 72
C) 92
D) 122
Answer: C) 92
Explanation: The exercise involves 92 personnel, with equal representation from the Indian and UAE Armies. (Press Information Bureau)
20. Which Indian defence organisation is set to deliver its 2,000th aero-engine on 6 October 2026?
A) DRDO
B) HAL Koraput
C) BEL Bengaluru
D) BEML
Answer: B) HAL Koraput
Explanation: Hindustan Aeronautics Limited’s Koraput Division is marking the delivery of its 2,000th aero-engine on 6 October 2026. (Press Information Bureau)
21. The second production line for Shakti engines at HAL Koraput involves an investment of approximately:
A) ₹118 crore
B) ₹218 crore
C) ₹318 crore
D) ₹418 crore
Answer: B) ₹218 crore
Explanation: HAL Koraput is establishing a second Shakti-engine production line with an investment of ₹218 crore. (Press Information Bureau)
22. Shakti engines are particularly important for which platforms?
A) Main battle tanks
B) Helicopters
C) Submarines
D) Fighter aircraft only
Answer: B) Helicopters
Explanation: The additional production capacity will support indigenous helicopter platforms including the Dhruv Advanced Light Helicopter and Prachand Light Combat Helicopter. (Press Information Bureau)
23. Which country’s President visited India in October 2026 for a state visit?
A) Switzerland
B) Sweden
C) Austria
D) Norway
Answer: A) Switzerland
Explanation: Swiss Confederation President Guy Parmelin visited India, with bilateral cooperation covering trade, investment, science, technology and innovation. (Press Information Bureau)
24. Under the India-Switzerland Young Professionals agreement, the annual exchange is initially planned for how many persons from each country?
A) 100
B) 200
C) 300
D) 500
Answer: C) 300
Explanation: The Young Professionals Scheme provides for an exchange of 300 persons annually per country, with scope to increase the number to 500. (Press Information Bureau)
25. The India-Switzerland cooperation includes collaboration in which of the following areas?
A) Electric vehicles
B) Ropeways
C) Sustainable transport infrastructure
D) All of the above
Answer: D) All of the above
Explanation: The transport technology cooperation covers areas including electric vehicles, ropeways, tunnels, circular economy and mobility systems. (Press Information Bureau)
26. Which Indian-born animal recently gave birth to five cubs at Kuno National Park?
A) Tiger
B) Asiatic lion
C) Cheetah
D) Leopard
Answer: C) Cheetah
Explanation: An Indian-born female cheetah named KJP21 gave birth to five healthy cubs at Kuno National Park. (Press Information Bureau)
27. What was India’s total cheetah population after the latest births?
A) 50
B) 55
C) 60
D) 65
Answer: C) 60
Explanation: The birth of five cubs raised India’s cheetah population to 60, including 41 Indian-born cheetahs. (Press Information Bureau)
28. Kuno National Park, associated with Project Cheetah, is located in which state?
A) Rajasthan
B) Madhya Pradesh
C) Gujarat
D) Maharashtra
Answer: B) Madhya Pradesh
Explanation: Kuno National Park is in Madhya Pradesh and is the principal site of India’s cheetah reintroduction programme.
29. Which city hosted the 19th International Olympiad on Astronomy and Astrophysics 2026?
A) Tokyo
B) Hanoi
C) Seoul
D) Singapore
Answer: B) Hanoi
Explanation: The 19th IOAA 2026 was held in Hanoi, Vietnam, from September 25 to October 5, 2026. (Press Information Bureau)
30. How many gold medals did India win at IOAA 2026?
A) 2
B) 3
C) 4
D) 5
Answer: C) 4
Explanation: All five Indian participants won medals: four Gold and one Silver. (Press Information Bureau)
31. How many Indian students participated in IOAA 2026?
A) 3
B) 4
C) 5
D) 6
Answer: C) 5
Explanation: India sent five students, and every participant won a medal. (Press Information Bureau)
32. Which country won five Gold medals at IOAA 2026?
A) India
B) Iran
C) Vietnam
D) Japan
Answer: B) Iran
Explanation: Iran and South Korea each won five Gold medals, placing ahead of India in the medal standings. (Press Information Bureau)
33. Which city hosted the India Mobile Congress 2026 venue preparations mentioned on 5 October?
A) Mumbai
B) Bengaluru
C) New Delhi
D) Hyderabad
Answer: C) New Delhi
Explanation: Final preparations were reviewed at Yashobhoomi, Dwarka, New Delhi, ahead of the inauguration of IMC 2026 on October 8. (Press Information Bureau)
34. What is the theme of India Mobile Congress 2026?
A) Digital India for All
B) Scale Without Boundaries
C) Connect the Future
D) India Digital 2047
Answer: B) Scale Without Boundaries
Explanation: IMC 2026 carries the theme “Scale Without Boundaries”, highlighting India’s telecom and digital transformation. (Press Information Bureau)
35. More than how many attendees are expected at IMC 2026?
A) 50,000
B) 1 lakh
C) 1.5 lakh
D) 5 lakh
Answer: C) 1.5 lakh
Explanation: Organisers expect more than 1.5 lakh attendees, along with 500+ exhibitors and 600+ startups. (Press Information Bureau)
36. The first international cargo voyage from Dibrugarh in decades was sent to which country?
A) Nepal
B) Bhutan
C) Bangladesh
D) Myanmar
Answer: C) Bangladesh
Explanation: A barge carrying 540 tonnes of methanol travelled from Bogibeel, Dibrugarh, toward Dhaka, Bangladesh. (Press Information Bureau)
37. Which river is being tested as a freight corridor in this voyage?
A) Ganga
B) Brahmaputra
C) Godavari
D) Mahanadi
Answer: B) Brahmaputra
Explanation: The voyage tests the Brahmaputra/National Waterway-2 as a commercially viable freight corridor linking Northeast India with overseas markets. (Press Information Bureau)
38. What cargo was shipped from Dibrugarh to Bangladesh?
A) Coal
B) Tea
C) Methanol
D) Cement
Answer: C) Methanol
Explanation: The barge carried 540 metric tonnes of methanol produced by Assam Petro-Chemicals Ltd. at Namrup. (Press Information Bureau)
39. What is the approximate total distance of the Dibrugarh-Dhaka cargo voyage?
A) 500 km
B) 800 km
C) 1,000 km
D) 1,300 km
Answer: D) 1,300 km
Explanation: The vessel’s total journey from Bogibeel, Dibrugarh, toward Narayanganj/Dhaka is approximately 1,300 km. (Press Information Bureau)
40. India’s first pilot housing project using 3D concrete printing was launched in which state?
A) Telangana
B) Andhra Pradesh
C) Karnataka
D) Odisha
Answer: B) Andhra Pradesh
Explanation: The foundation was laid at Burripalem in Guntur district for a pilot project involving 177 houses using 3D concrete printing technology. (Press Information Bureau)
41. What is the cost of the 3D concrete-printed housing pilot project in Andhra Pradesh?
A) ₹10 crore
B) ₹14 crore
C) ₹20 crore
D) ₹25 crore
Answer: B) ₹14 crore
Explanation: The pilot project comprises 177 houses and has a reported cost of ₹14 crore. (Press Information Bureau)
42. Under PMAY-Gramin 2.0, how many houses were sanctioned for Andhra Pradesh in the latest announcement?
A) 1 lakh
B) 2 lakh
C) 3 lakh
D) 5 lakh
Answer: C) 3 lakh
Explanation: The Centre sanctioned 3 lakh permanent houses, worth ₹3,600 crore, for Andhra Pradesh under PMAY-Gramin 2.0. (Press Information Bureau)
43. Which organisation released the Indian Telecom Services Yearly Performance Indicators for 2025–26?
A) TRAI
B) RBI
C) SEBI
D) DoT only
Answer: A) TRAI
Explanation: The Telecom Regulatory Authority of India (TRAI) released the Indian Telecom Services Yearly Performance Indicators 2025–26 on October 5, 2026. (Telecom Regulatory Authority of India)
44. World Habitat Day 2026 was observed on which date?
A) October 2
B) October 5
C) October 8
D) October 10
Answer: B) October 5
Explanation: World Habitat Day is observed on the first Monday of October; in 2026, it fell on October 5. (Time and Date)
45. What is the main focus of World Habitat Day?
A) Global wildlife conservation
B) Human settlements and adequate shelter
C) Ocean conservation
D) Food security
Answer: B) Human settlements and adequate shelter
Explanation: World Habitat Day draws attention to the state of human settlements and the right to adequate shelter.
46. According to reports on 5 October 2026, which country moved toward an early general election after a housing plan was rejected by parliament?
A) Portugal
B) Spain
C) Italy
D) Greece
Answer: B) Spain
Explanation: Spanish Prime Minister Pedro Sánchez announced an early election after parliament rejected his housing-crisis plan. (Reuters)
47. Who led the German government during the October 2026 Ukraine-related developments?
A) Olaf Scholz
B) Friedrich Merz
C) Frank-Walter Steinmeier
D) Robert Habeck
Answer: B) Friedrich Merz
Explanation: German Chancellor Friedrich Merz visited Ukraine and pledged additional support amid continuing Russian attacks. (euronews)
48. Which country saw Flávio Bolsonaro lead the first round of its 2026 presidential election?
A) Argentina
B) Brazil
C) Chile
D) Colombia
Answer: B) Brazil
Explanation: Flávio Bolsonaro, son of former Brazilian president Jair Bolsonaro, led the first round, with incumbent Luiz Inácio Lula da Silva also advancing to the second round. (euronews)
49. Which airline announced higher fuel surcharges effective for new bookings from 6 October 2026?
A) Air India
B) Akasa Air
C) IndiGo
D) SpiceJet
Answer: C) IndiGo
Explanation: IndiGo announced revised fuel charges for domestic and international flights from October 6 because of a sharp increase in aviation turbine fuel prices. (Business Standard)
50. What was India’s final medal tally at the 2026 Asian Games according to the reported 4 October results?
A) 75 medals
B) 80 medals
C) 85 medals
D) 90 medals
Answer: C) 85 medals
Explanation: India finished the reported Asian Games campaign with 85 medals — 21 Gold, 27 Silver and 37 Bronze. (Vajiram & Ravi)
Quick Revision — 6 October 2026
| Topic | Key Fact |
| Nobel Medicine 2026 | Deisseroth, Hegemann & Nagel |
| Nobel work | Optogenetics |
| QKD demonstration | 5.56 km |
| QKD partners | QNu Labs, BISAG-N, IIT Gandhinagar |
| Project VeerAI | AI Vision SoC |
| VeerAI support | ₹130 crore |
| Sanchar Saathi | 30 crore+ visits |
| Mountain Guardian | India-UAE |
| Exercise location | Chaubatia, Uttarakhand |
| HAL Koraput | 2,000th aero-engine |
| Shakti engine line | ₹218 crore |
| India-Switzerland | Young Professionals: 300/year/country initially |
| Cheetah population | 60 |
| New cheetah cubs | 5 |
| IOAA 2026 | Hanoi, Vietnam |
| India’s IOAA medals | 4 Gold + 1 Silver |
| IMC 2026 theme | Scale Without Boundaries |
| Dibrugarh cargo | 540 tonnes methanol |
| Waterway | Brahmaputra / NW-2 |
| AP 3D housing | 177 houses |
| AP housing allocation | 3 lakh houses |
| World Habitat Day | 5 October |
| IndiGo surcharge | Effective 6 October |
| Asian Games India tally | 85 medals |
Exam Tip: For competitive exams, pay special attention to names + places + numbers + organisations + dates. Today’s high-value facts include Nobel Medicine 2026, Sanchar Saathi, Project VeerAI, Mountain Guardian, HAL Koraput’s 2,000th engine, India’s 60-cheetah population, IOAA 2026, QKD 5.56 km and the 85-medal Asian Games tally. (Reuters)
