UPSC Current Affairs Quiz — 10 September 2026

1.

Consider the following statements about narcolepsy:

1.It is a lifelong neurological sleep disorder in which the brain struggles to control the boundary between sleep and wakefulness.

2.Type 1 narcolepsy includes cataplexy or very low orexin levels.

3.Type 2 narcolepsy is defined by abnormally high orexin levels.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Lasker Award 2026: Orexin and the Biology of Narcolepsy Open full article →

2.

Consider the following statements about orexin:

1.It is a small signalling peptide produced by specialised neurons in the hypothalamus.

2.It signals through two receptors on other cells.

3.The signalling network helps maintain wakefulness and control muscle tone.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Lasker Award 2026: Orexin and the Biology of Narcolepsy Open full article →

3.

Consider the following statements about the discoveries honoured by the 2026 Lasker Basic Medical Research Award:

1.Masashi Yanagisawa's group found that mice lacking orexin showed fragmented waking and sudden loss of muscle tone.

2.Emmanuel Mignot traced narcolepsy in mice to a mutation in the first orexin receptor.

3.The canine and mouse findings converged in 1999.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Lasker Award 2026: Orexin and the Biology of Narcolepsy Open full article →

4.

Oveporexton, approved in the United States in August 2026 for adults with Type 1 narcolepsy, works by:

Blocking orexin receptors to promote sleep Directly activating an orexin receptor in the brain Replacing lost hypothalamic neurons through cell transplantation Suppressing the immune system to stop neuron loss

From: Lasker Award 2026: Orexin and the Biology of Narcolepsy Open full article →

5.

In most people with Type 1 narcolepsy, the very low orexin level is explained by:

A mutation in the second orexin receptor, as in the dog model Selective loss of orexin-producing neurons, with an immune attack as the leading explanation Over-production of orexin-blocking antibodies in the blood Excess sleep pressure from chronic sleep deprivation

From: Lasker Award 2026: Orexin and the Biology of Narcolepsy Open full article →

6.

Consider the following statements about perylene diimide:

1.It is a family of organic compounds built around a flat aromatic core.

2.These molecules strongly absorb visible light and can transport electrical charge.

3.Their flat cores tend to stack through interactions between electron-rich ring systems.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Perylene Diimide: CeNS Metal-Free Nanosheets for Water Splitting Open full article →

7.

Consider the following statements about the study reported on 9 September 2026:

1.The amino acid aspartic acid was attached to the light-absorbing core.

2.The modified molecules organised themselves into ordered two-dimensional nanosheets in water.

3.The result was an eighteen per cent hydrogen-production efficiency.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Perylene Diimide: CeNS Metal-Free Nanosheets for Water Splitting Open full article →

8.

In materials chemistry, self-assembly refers to:

Molecules organising into a structure through their own chemical interactions Robotic placement of each molecule into position Melting a material and casting it in a mould Coating a metal scaffold with organic molecules

From: Perylene Diimide: CeNS Metal-Free Nanosheets for Water Splitting Open full article →

9.

Consider the following statements about the institution and publication:

1.The Centre for Nano and Soft Matter Sciences is an autonomous institute under the Ministry of Education.

2.The study was published in the Journal of Materials Chemistry A.

3.The paper appeared online on 26 June 2026.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Perylene Diimide: CeNS Metal-Free Nanosheets for Water Splitting Open full article →

10.

Which one of the following statements about hydrogen as a fuel is correct?

Hydrogen is a primary energy source found freely in nature Hydrogen produced by any method is automatically climate-neutral Hydrogen stores energy, and its climate value depends on how production energy is supplied Metal-free photoelectrodes are already cheaper and more durable than metal catalysts at industrial scale

From: Perylene Diimide: CeNS Metal-Free Nanosheets for Water Splitting Open full article →

11.

Consider the following statements about the Navier-Stokes equations:

1.They describe how fluids such as air and water move.

2.They express conservation of momentum together with conservation of mass.

3.They treat a fluid as a continuous material rather than tracking every molecule.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Navier-Stokes: Weighing OpenAI's Finite-Time Singularity Claim Open full article →

12.

Consider the following statements about the Millennium Prize problem on Navier-Stokes:

1.The Clay Mathematics Institute named seven Millennium Prize Problems in 2000.

2.The official formulation permits either a global smoothness proof or a valid breakdown example.

3.The Institute accepts direct submissions from claimants and awards the prize immediately on verification.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Navier-Stokes: Weighing OpenAI's Finite-Time Singularity Claim Open full article →

13.

In this context, a finite-time singularity means that:

A real liquid physically reaches infinite speed The equations stop conserving mass A mathematical quantity in the solution becomes unbounded within finite time Viscosity is removed from the equations

From: Navier-Stokes: Weighing OpenAI's Finite-Time Singularity Claim Open full article →

14.

Jean Leray's 1934 contribution to the Navier-Stokes problem was to:

Prove that every smooth start remains smooth forever Prove the existence of certain weak solutions Construct the first finite-time singularity Formulate the Millennium Prize version of the problem

From: Navier-Stokes: Weighing OpenAI's Finite-Time Singularity Claim Open full article →

15.

Consider the following statements about OpenAI's claim of 8 September 2026:

1.OpenAI released a 166-page paper together with a formal Lean file.

2.The Clay Mathematics Institute has accepted the proof and awarded the prize.

3.A Lean formalisation checks that stated steps follow from encoded definitions, but cannot by itself guarantee that those definitions match the official problem.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Navier-Stokes: Weighing OpenAI's Finite-Time Singularity Claim Open full article →

16.

Consider the following statements about Indian Naval Ship Mysore:

1.It is an indigenously built guided-missile destroyer.

2.It belongs to the Delhi class of large surface combatants.

3.The Delhi class entered Indian service during the late 1990s.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: INS Mysore: Fourth Samudra Laksamana Exercise at Lumut Open full article →

17.

Consider the following statements about Exercise Samudra Laksamana:

1.It is a bilateral exercise between the Indian Navy and the Royal Malaysian Navy.

2.The September 2026 edition at Lumut is the fourth.

3.It is a trilateral exercise that also includes the Republic of Singapore Navy.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: INS Mysore: Fourth Samudra Laksamana Exercise at Lumut Open full article →

18.

Consider the following statements about Lumut:

1.It lies in Sabah on the island of Borneo.

2.It hosts the Royal Malaysian Navy's principal naval base.

3.Waters off its coast connect with the Strait of Malacca.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: INS Mysore: Fourth Samudra Laksamana Exercise at Lumut Open full article →

19.

Consider the following statements about India-Malaysia relations:

1.The two countries maintain a Comprehensive Strategic Partnership.

2.Malaysia is not a founding member of the Association of Southeast Asian Nations.

3.The year 2026 is being observed as the ASEAN-India Year of Maritime Cooperation.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: INS Mysore: Fourth Samudra Laksamana Exercise at Lumut Open full article →

20.

In naval cooperation, interoperability means that:

Both navies must operate identical ships and weapons Different forces can work together safely and effectively through shared procedures and awareness One navy places its ships under the other's permanent command The two navies merge into a single combined fleet

From: INS Mysore: Fourth Samudra Laksamana Exercise at Lumut Open full article →

21.

Consider the following statements about the IAEA Board of Governors resolution of 9 September 2026:

1.Twenty-three of the Board's thirty-five members supported it.

2.China, Russia and Niger voted against it.

3.The resolution was adopted unanimously.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: IAEA Board: Iran Reported to the UN Security Council Open full article →

22.

Consider the following statements about the International Atomic Energy Agency:

1.It began work in 1957.

2.Its Board of Governors has thirty-five members.

3.Its General Conference represents all member states and meets annually.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: IAEA Board: Iran Reported to the UN Security Council Open full article →

23.

Consider the following statements about the geography of Iran:

1.It lies in West Asia between the Caspian Sea and the Persian Gulf.

2.It shares a land border with Saudi Arabia.

3.Armenia, Azerbaijan, Turkmenistan, Afghanistan, Pakistan, Iraq and Turkiye share its land borders.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: IAEA Board: Iran Reported to the UN Security Council Open full article →

24.

Consider the following statements about nuclear safeguards:

1.Iran is recognised as a nuclear-weapon state under the Treaty on the Non-Proliferation of Nuclear Weapons.

2.Safeguards are technical measures used to verify states' nuclear declarations and material.

3.An inability to provide assurance is not identical to proven weapon construction.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: IAEA Board: Iran Reported to the UN Security Council Open full article →

25.

Article XII of the IAEA Statute, relevant to the September 2026 resolution, provides that on reported non-compliance the Board should:

Impose economic sanctions on the state concerned Seek a remedy and report its findings to United Nations organs Authorise military action to secure nuclear sites Expel the state from the Agency automatically

From: IAEA Board: Iran Reported to the UN Security Council Open full article →

26.

Consider the following statements about Ocean Research Vessel Sagar Manthan:

1.It was launched at the Rishi Bankim Shipyard in Kolkata on 9 September 2026.

2.Garden Reach Shipbuilders and Engineers is building it for the National Centre for Polar and Ocean Research.

3.Delivery and commissioning are scheduled for 2028.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: ORV Sagar Manthan: GRSE Launches India's New Research Vessel Open full article →

27.

Consider the following statements about the project's milestones:

1.The contract was signed in July 2024 and the keel was laid on 8 April 2026.

2.The ministry placed the project under the Deep Ocean Mission with an approximate cost of Rs 840 crore.

3.The vessel was commissioned into scientific service at the launch ceremony.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: ORV Sagar Manthan: GRSE Launches India's New Research Vessel Open full article →

28.

Sagar Manthan will gradually replace which existing vessel?

Ocean Research Vessel Sagar Nidhi Ocean Research Vessel Sagar Sampada Ocean Research Vessel Sagar Kanya Ocean Research Vessel Sagar Tara

From: ORV Sagar Manthan: GRSE Launches India's New Research Vessel Open full article →

29.

Consider the following statements about the design of Sagar Manthan:

1.It is an icebreaker intended to break polar sea ice.

2.It is being built to dual classification requirements of the Indian Register of Shipping and the American Bureau of Shipping.

3.Dynamic positioning should hold it near a chosen location during sampling.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: ORV Sagar Manthan: GRSE Launches India's New Research Vessel Open full article →

30.

The difference between a remotely operated vehicle and an autonomous underwater vehicle is that:

A remotely operated vehicle stays linked to its controllers, while an autonomous vehicle follows programmed missions independently Only autonomous vehicles can operate below 100 metres Remotely operated vehicles carry human divers Autonomous vehicles are used only in fresh water

From: ORV Sagar Manthan: GRSE Launches India's New Research Vessel Open full article →

31.

Consider the following statements about endometriosis:

1.It is a chronic disease in which tissue similar to the uterine lining grows outside the uterus.

2.The World Health Organization estimates that about 190 million reproductive-age women and girls live with it globally.

3.There is currently no universal cure.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Endometriosis: First Indian Genome-Wide Study Finds 21 Loci Open full article →

32.

Consider the following statements about the Indian genome-wide study published on 5 September 2026:

1.It analysed 2,523 participants from a nationwide multicentre case-control project.

2.All twenty-one identified loci crossed the strict genome-wide significance threshold.

3.The strongest signal lay on chromosome 13, near regulatory elements upstream of the gene SHISA2.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Endometriosis: First Indian Genome-Wide Study Finds 21 Loci Open full article →

33.

A genome-wide association study identifies:

The single gene that directly causes a disease Statistical associations between common genetic variants and a condition, pointing to nearby biological regions A diagnostic test ready for clinical use The environmental triggers of a disease

From: Endometriosis: First Indian Genome-Wide Study Finds 21 Loci Open full article →

34.

Consider the following statements about the study's wider findings:

1.A meta-analysis with a Japanese study replicated known associations near WNT4 and CDKN2B-AS1.

2.The project included the Endometriosis Clinical and Genetic Research in India consortium.

3.The findings provide a validated genetic diagnostic test for Indian patients.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Endometriosis: First Indian Genome-Wide Study Finds 21 Loci Open full article →

35.

Consider the following statements about the resplendent shrub frog:

1.Its accepted scientific name is Raorchestes resplendens.

2.It belongs to the family Rhacophoridae and was formally described in 2010 from Anamudi summit.

3.Its eggs develop directly into small froglets without a free-swimming tadpole stage.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Resplendent Shrub Frog: 1,938 Encounters Logged in Eravikulam Open full article →

36.

Consider the following statements about the conservation status of the resplendent shrub frog:

1.The current International Union for Conservation of Nature category is Critically Endangered.

2.An earlier assessment listed it as Critically Endangered.

3.The category changed in the 2023 Red List update after improved knowledge.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Resplendent Shrub Frog: 1,938 Encounters Logged in Eravikulam Open full article →

37.

The figure of 1,938 encounters reported from Eravikulam should be understood as:

A census of unique frogs in the park Proof that the population has grown since the last survey The number of observations made, which can include the same animal detected more than once An estimate of the total population across the Anamalai massif

From: Resplendent Shrub Frog: 1,938 Encounters Logged in Eravikulam Open full article →

38.

Consider the following statements about the range of the resplendent shrub frog:

1.Its known range lies in the Munnar-Valparai montane grasslands of the Anamalai massif.

2.Authoritative records place it between about 1,896 and 2,695 metres.

3.It is confined to the summit of Anamudi.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Resplendent Shrub Frog: 1,938 Encounters Logged in Eravikulam Open full article →

39.

Consider the following statements about the September 2026 survey:

1.It ran from 3 to 6 September across the Munnar Wildlife Division.

2.It covered Eravikulam, Anamudi Shola, Pampadum Shola and Mathikettan Shola National Parks and Kurinjimala Sanctuary.

3.It recorded fifty-four amphibian and fifty-two reptile species.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Resplendent Shrub Frog: 1,938 Encounters Logged in Eravikulam Open full article →

40.

Consider the following statements about orangutans:

1.They belong to the genus Pongo and are great apes.

2.Three living species are recognised: Bornean, Sumatran and Tapanuli.

3.All three species are classified as Critically Endangered.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: WCCB: Five Infant Orangutans Recovered in Odisha's Balasore Open full article →

41.

All three orangutan species appear in Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora. This means that:

Commercial international trade in wild specimens is generally prohibited Trade is allowed with an ordinary export permit Only domestic possession is regulated The species are considered extinct in the wild

From: WCCB: Five Infant Orangutans Recovered in Odisha's Balasore Open full article →

42.

Consider the following statements about the Wildlife Crime Control Bureau:

1.It is a statutory body under the Ministry of Home Affairs.

2.Section 38Y of the Wild Life (Protection) Act establishes it and Section 38Z states its powers and functions.

3.It was constituted in 2007 to address organised wildlife crime.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: WCCB: Five Infant Orangutans Recovered in Odisha's Balasore Open full article →

43.

Consider the following statements about the Balasore recovery of 8 September 2026:

1.The animals were recovered around the Bhograi-Udaipur area near Jaleswar.

2.Genetic testing has confirmed them as Sumatran orangutans.

3.They were moved for quarantine and specialised care at Nandankanan.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: WCCB: Five Infant Orangutans Recovered in Odisha's Balasore Open full article →

44.

Indonesia's stated wish for eventual repatriation of the infants is best described as:

A request that depends on confirmed origin, health, evidence, permits and rehabilitation arrangements A completed transfer order already in effect A finding that India was the country of origin A decision to release the infants into the wild immediately

From: WCCB: Five Infant Orangutans Recovered in Odisha's Balasore Open full article →

45.

Consider the following statements about foot-and-mouth disease:

1.It is a highly contagious viral disease of cloven-hoofed animals.

2.The virus belongs to the genus Aphthovirus within the family Picornaviridae.

3.Seven serotypes are recognised: O, A, C, Asia1, SAT1, SAT2 and SAT3.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Foot-and-Mouth Disease: SAT1 Serotype Spreads to New Regions Open full article →

46.

Consider the following statements about serotype SAT1:

1.SAT stands for Southern African Territories.

2.SAT1 is a serotype of the foot-and-mouth disease virus, not a new disease.

3.SAT1 was first discovered in 2025.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Foot-and-Mouth Disease: SAT1 Serotype Spreads to New Regions Open full article →

47.

Which one of the following correctly distinguishes foot-and-mouth disease from hand, foot and mouth disease?

They are the same virus affecting animals and children respectively Foot-and-mouth disease spreads readily from animals to people Foot-and-mouth disease is an animal disease caused by different viruses from the human childhood illness, and is not readily transmissible to people Hand, foot and mouth disease affects only cattle

From: Foot-and-Mouth Disease: SAT1 Serotype Spreads to New Regions Open full article →

48.

Consider the following statements about the recent spread of SAT1:

1.India confirmed its first SAT1 outbreak in 2026.

2.Iraq, Kuwait, Egypt and Azerbaijan reported their first SAT1 occurrences during 2025.

3.Israel, Cyprus, Palestine, China and Mongolia reported their first SAT1 occurrences during 2026.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Foot-and-Mouth Disease: SAT1 Serotype Spreads to New Regions Open full article →

49.

Consider the following statements about India's position:

1.The Indian Council of Agricultural Research has issued emergency guidance for a suspected SAT1 incursion.

2.That guidance sets preparedness procedures rather than announcing a laboratory finding.

3.India already runs mass foot-and-mouth vaccination through the National Animal Disease Control Programme.

Which of the statements given above are correct?

1 and 2 only 2 and 3 only 1 and 3 only 1, 2 and 3

From: Foot-and-Mouth Disease: SAT1 Serotype Spreads to New Regions Open full article →