UPSC Current Affairs Quiz — 4 October 2026

1.

Consider the following statements about three-dimensional (3D) concrete printing:

1.It is an additive process in which a computer-guided nozzle lays material layer by layer.

2.A printed wall can be built without formwork, the temporary moulds used to hold wet concrete.

3.The Andhra Pradesh housing pilot at Burripalem is India's first building made by 3D concrete printing.

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: 3D Concrete Printing: Andhra Pradesh Begins 177-House Pilot Open full article →

2.

Consider the following statements:

Statement-I: A concrete mix for 3D printing that stays very fluid after leaving the nozzle is unsuitable, even if it pumps easily.

Statement-II: Freshly printed lower layers must carry the weight of the layers placed above them before the concrete has hardened.

Which one of the following is correct in respect of the above statements?

Both Statement-I and Statement-II are correct and Statement-II explains Statement-I Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I Statement-I is correct, but Statement-II is not correct Statement-I is not correct, but Statement-II is correct

From: 3D Concrete Printing: Andhra Pradesh Begins 177-House Pilot Open full article →

3.

Consider the following statements:

Statement-I: Concrete structures, including 3D-printed houses, commonly use steel or other reinforcement.

Statement-II: Concrete is weak in compression, so reinforcement is needed to carry the structure's weight.

Statement-III: Concrete is comparatively weak in tension, and reinforcement helps it resist forces that pull it apart.

Which one of the following is correct in respect of the above statements?

Both Statement-II and Statement-III are correct and both of them explain Statement-I Both Statement-II and Statement-III are correct, but only one of them explains Statement-I Only one of Statement-II and Statement-III is correct and that is the explanation of Statement-I Neither Statement-II nor Statement-III is correct

From: 3D Concrete Printing: Andhra Pradesh Begins 177-House Pilot Open full article →

4.

Consider the following statements about concrete:

1.Letting freshly placed concrete dry out quickly speeds up its gain in strength.

2.Concrete hardens mainly through hydration, a chemical reaction between cement and water.

3.In a 3D-printed wall, the bond between successive layers influences how the wall performs under load and weathering.

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: 3D Concrete Printing: Andhra Pradesh Begins 177-House Pilot Open full article →

5.

Consider the following statements about India's rules on single-use plastics:

1.Identified low-utility, high-littering items such as plastic cutlery and straws have been banned since 1 July 2022.

2.The Plastic Waste Management Amendment Rules, 2021 prohibited plastic carry bags of every thickness.

3.The Plastic Waste Management Rules are framed under the Environment (Protection) Act, 1986.

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: Jawahar Dweep: Mumbai Port's Oil Terminal Declared Plastic-Free Open full article →

6.

Consider the following statements about responding to oil spills at sea:

1.The Indian Coast Guard is the Central Coordinating Authority for oil-spill response in Indian waters.

2.Booms contain and concentrate floating oil so that skimmers can recover it.

3.Chemical dispersants remove spilled oil from the sea altogether.

4.In-situ burning removes spilled oil by burning it off the water surface.

Which of the statements given above are correct?

1 and 2 only 2, 3 and 4 only 1, 2, 3 and 4 1, 2 and 4 only

From: Jawahar Dweep: Mumbai Port's Oil Terminal Declared Plastic-Free Open full article →

7.

Consider the following statements about marine plastic pollution:

1.Plastic pieces less than five millimetres long are classed as microplastics.

2.Larger plastic debris breaks down over time into ever smaller pieces, adding to microplastics.

3.Removing visible litter from a shoreline also removes the microplastics already present in the water.

How many of the above statements are correct?

Only one Only two All three None

From: Jawahar Dweep: Mumbai Port's Oil Terminal Declared Plastic-Free Open full article →

8.

With reference to the International Convention for the Prevention of Pollution from Ships (MARPOL), which one of the following statements is correct?

Its annex on garbage bans discharging plastics into the sea, except in narrow cases such as ship safety or accidental loss It deals only with pollution by oil and leaves other ship-generated wastes to national laws It makes visiting ships, rather than governments, responsible for providing garbage reception facilities at ports It was adopted under the United Nations Environment Programme

From: Jawahar Dweep: Mumbai Port's Oil Terminal Declared Plastic-Free Open full article →

9.

Consider the following statements about the governance of ports in India:

1.Ports declared by law to be major ports fall in the Union List of the Seventh Schedule.

2.The Mumbai Port Authority is governed by the Major Port Authorities Act, 2021, which repealed the Major Port Trusts Act, 1963.

3.Ports other than major ports fall in the State List of the Seventh Schedule.

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: Jawahar Dweep: Mumbai Port's Oil Terminal Declared Plastic-Free Open full article →

10.

Consider the following animals found in India:

1.Coppersmith barbet

2.Sri Lanka frogmouth

3.Indian flying fox

4.Mudskipper

How many of the above are birds?

Only one Only two Only three All four

From: Coppersmith Barbet: Rare Cream-Yellow Form Seen Near Hyderabad Open full article →

11.

Consider the following statements about the colours of bird feathers:

1.Melanins, which produce black and brown tones, are synthesised by birds themselves.

2.Carotenoids, which produce many red and yellow tones, cannot be synthesised by birds and must come from their food.

3.A bird that lacks melanin can still show red or yellow patches coloured by carotenoids.

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: Coppersmith Barbet: Rare Cream-Yellow Form Seen Near Hyderabad Open full article →

12.

Consider the following statements:

Statement-I: The cream-yellow coppersmith barbet photographed near Hyderabad is regarded as an unusually coloured individual, not as a new species.

Statement-II: The coppersmith barbet is assessed as Least Concern on the Red List of the International Union for Conservation of Nature (IUCN).

Which one of the following is correct in respect of the above statements?

Both Statement-I and Statement-II are correct and Statement-II explains Statement-I Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I Statement-I is correct, but Statement-II is not correct Statement-I is not correct, but Statement-II is correct

From: Coppersmith Barbet: Rare Cream-Yellow Form Seen Near Hyderabad Open full article →

13.

Consider the following statements:

1.In albinism, melanin is absent from the feathers, skin and eyes, so the eyes appear red.

2.In leucism, the eyes usually keep their normal colour.

3.Barbets belong to the order Piciformes, which also includes woodpeckers and toucans.

4.The coppersmith barbet feeds mainly on insects and takes fruit only occasionally.

Which of the statements given above are correct?

1 and 2 only 2, 3 and 4 only 1, 2 and 3 only 1, 2, 3 and 4

From: Coppersmith Barbet: Rare Cream-Yellow Form Seen Near Hyderabad Open full article →

14.

Consider the following statements about the Rashtriya Vayoshri Yojana (RVY):

1.It provides aids such as walking sticks, hearing aids and spectacles free of cost to eligible senior citizens.

2.It is implemented through the Artificial Limbs Manufacturing Corporation of India (ALIMCO).

3.It is administered by the Ministry of Health and Family Welfare.

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: Rashtriya Vayoshri Yojana: 662 Assistive Devices for 114 Seniors Open full article →

15.

Consider the following statements about the Rashtriya Vayoshri Yojana:

1.Beneficiaries must have an age-related disability or infirmity.

2.Beneficiaries must be in the below-poverty-line (BPL) category and also earn up to Rs 15,000 a month.

3.Devices are prescribed after doctors and technicians assess applicants at camps.

4.Beneficiaries must be Indian citizens aged 60 or above who hold Aadhaar.

Which of the statements given above are correct?

1 and 3 only 2, 3 and 4 only 1, 3 and 4 only 1, 2, 3 and 4

From: Rashtriya Vayoshri Yojana: 662 Assistive Devices for 114 Seniors Open full article →

16.

Consider the following statements:

1.Article 41 of the Constitution directs the State, within the limits of its economic capacity and development, to make effective provision for public assistance in cases of old age, sickness and disablement.

2.The National Social Assistance Programme, which pays old-age pensions to the elderly poor, is run by the Ministry of Rural Development.

Which of the statements given above is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

From: Rashtriya Vayoshri Yojana: 662 Assistive Devices for 114 Seniors Open full article →

17.

Consider the following statements about the Atal Vayo Abhyuday Yojana (AVYAY) for senior citizens:

1.The Rashtriya Vayoshri Yojana falls in its Centrally Sponsored component.

2.It is an umbrella scheme with both a Centrally Sponsored component and a Central Sector component.

3.Elderline, the national helpline for senior citizens, is one of its components.

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: Rashtriya Vayoshri Yojana: 662 Assistive Devices for 114 Seniors Open full article →

18.

Which one of the following best describes the Rashtriya Vayoshri Yojana?

A contributory pension scheme in which workers pay monthly to receive a pension after the age of 60 A health insurance scheme that pays for the hospital treatment of senior citizens A scheme of monthly cash pensions for elderly persons from below-poverty-line households A scheme that provides assistive devices to eligible senior citizens after an assessment of their needs

From: Rashtriya Vayoshri Yojana: 662 Assistive Devices for 114 Seniors Open full article →

19.

Consider the following statements about the Navy-Marine Expeditionary Ship Interdiction System (NMESIS):

1.It is a shore-based anti-ship system that adds to anti-ship weapons on ships and aircraft.

2.Its launcher rides on a remotely operated vehicle based on the Joint Light Tactical Vehicle (JLTV).

3.Its vehicle selects targets and fires on its own, without a human authorising the launch.

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: NMESIS: US Plans Yonaguni Deployment for Keen Sword Exercise Open full article →

20.

The Naval Strike Missile uses an imaging infrared seeker. Which one of the following best describes how such a seeker locates its target?

It transmits radar pulses and homes on the echoes reflected from the target It forms an image of the target from the infrared radiation the target gives off, without emitting signals of its own It follows a laser spot that a designator projects onto the target It flies only to coordinates loaded before launch, using satellite navigation

From: NMESIS: US Plans Yonaguni Deployment for Keen Sword Exercise Open full article →

21.

Consider the following statements:

1.A sea-skimming missile is detected late by ship-borne radar because of the Earth's curvature.

2.The Naval Strike Missile flies at supersonic speed.

3.To engage ships beyond its own radar horizon, a land-based anti-ship launcher needs targeting data from other sensors.

4.Keen Sword is conducted by Japan's Self-Defense Forces and United States forces.

Which of the statements given above are correct?

1 and 3 only 2, 3 and 4 only 1, 2, 3 and 4 1, 3 and 4 only

From: NMESIS: US Plans Yonaguni Deployment for Keen Sword Exercise Open full article →

22.

Consider the following statements about Yonaguni Island:

1.It is the westernmost inhabited island of Japan and belongs to the Yaeyama Islands of Okinawa Prefecture.

2.It lies in the Sea of Japan.

3.It lies closer to Taiwan than to the main island of Okinawa.

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: NMESIS: US Plans Yonaguni Deployment for Keen Sword Exercise Open full article →

23.

Consider the following statements about earthworms:

1.They exchange gases through their moist body surface.

2.An individual earthworm bears both male and female reproductive organs.

3.Like insects, they have an open circulatory system.

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: Drawida incomparabilis: New Earthworm Species From Western Ghats Open full article →

24.

Consider the following statements:

1.In the name Drawida incomparabilis, Drawida is the genus and incomparabilis the species epithet.

2.Drawida incomparabilis was told apart from related species mainly by its large body size.

3.Its diagnosis rests partly on the position of its gizzards.

4.Gizzards, muscular parts of the gut that help process food, also occur in birds.

Which of the statements given above are correct?

1, 3 and 4 only 1 and 3 only 2, 3 and 4 only 1, 2, 3 and 4

From: Drawida incomparabilis: New Earthworm Species From Western Ghats Open full article →

25.

Consider the following statements about earthworms and soil:

1.Their burrows form channels through which water, air and plant roots move.

2.Their casts, the material they leave after digestion, are a source of plant nutrients.

3.Non-native earthworms introduced into some northern forests have depleted the leaf litter on the forest floor.

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: Drawida incomparabilis: New Earthworm Species From Western Ghats Open full article →

26.

Consider the following statements about the southern Western Ghats:

1.The Anaimalai hills lie to the north of the Palghat Gap.

2.Anamalai Tiger Reserve in Tamil Nadu adjoins Parambikulam Tiger Reserve in Keralam (formerly Kerala).

3.Anaimudi, the highest peak of the Peninsular plateau, lies in the Anaimalai hills.

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: Drawida incomparabilis: New Earthworm Species From Western Ghats Open full article →

27.

Consider the following statements:

Statement-I: Girdling a tree, by damaging a complete ring of bark around its trunk, can kill it.

Statement-II: Girdling cuts the phloem, so sugars made in the leaves can no longer reach the roots, which eventually starve.

Statement-III: The xylem carries water and dissolved minerals from the roots up to the leaves.

Which one of the following is correct in respect of the above statements?

Both Statement-II and Statement-III are correct and both of them explain Statement-I Both Statement-II and Statement-III are correct, but only one of them explains Statement-I Only one of Statement-II and Statement-III is correct and that is the explanation of Statement-I Neither Statement-II nor Statement-III is correct

From: Udanti-Sitanadi Tiger Reserve: Over 2,500 Trees Girdled at Karka Open full article →

28.

Consider the following statements about the Forest Rights Act, 2006:

1.It recognises community as well as individual rights.

2.Other traditional forest dwellers must show three generations of forest residence before 13 December 2005.

3.It empowers Gram Sabhas to protect wildlife, forests, catchments and water sources.

4.Its nodal agency is the Ministry of Environment, Forest and Climate Change.

Which of the statements given above are correct?

1 and 3 only 2, 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 only

From: Udanti-Sitanadi Tiger Reserve: Over 2,500 Trees Girdled at Karka Open full article →

29.

Consider the following statements about tiger reserves in India:

1.A tiger reserve is notified by the State Government on the recommendation of the National Tiger Conservation Authority (NTCA).

2.The NTCA is a constitutional body.

3.Udanti-Sitanadi Tiger Reserve draws its two main components from the Udanti and Sitanadi wildlife sanctuaries.

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: Udanti-Sitanadi Tiger Reserve: Over 2,500 Trees Girdled at Karka Open full article →

30.

Consider the following statements about Udanti-Sitanadi Tiger Reserve:

1.It lies in Chhattisgarh, and its forests connect eastwards with forests in Odisha.

2.Its vegetation is dominated by tropical evergreen rainforest.

Which of the statements given above is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

From: Udanti-Sitanadi Tiger Reserve: Over 2,500 Trees Girdled at Karka Open full article →

31.

Under the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006, which one of the following is the authority to initiate the process of determining the nature and extent of forest rights?

The Sub-Divisional Level Committee The District Level Committee The State Level Monitoring Committee The Gram Sabha

From: Udanti-Sitanadi Tiger Reserve: Over 2,500 Trees Girdled at Karka Open full article →

32.

Consider the following statements about the Inter-Parliamentary Union (IPU):

1.Its headquarters is in New York, alongside the United Nations.

2.Its members are national parliaments rather than governments.

3.Both of its principal founders, William Randal Cremer and Frederic Passy, were awarded the Nobel Peace Prize.

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: IPU 153rd Assembly: Harivansh Leads Indian Delegation to Arusha Open full article →

33.

Consider the following statements:

Statement-I: Resolutions adopted by the Assembly of the Inter-Parliamentary Union (IPU) are legally binding on the parliaments of member countries.

Statement-II: In each member country, the national legislature decides through its own constitutional procedures whether to act on an IPU resolution.

Which one of the following is correct in respect of the above statements?

Both Statement-I and Statement-II are correct and Statement-II explains Statement-I Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I Statement-I is correct, but Statement-II is not correct Statement-I is not correct, but Statement-II is correct

From: IPU 153rd Assembly: Harivansh Leads Indian Delegation to Arusha Open full article →

34.

Consider the following statements about the Inter-Parliamentary Union (IPU):

1.The Governing Council is its administrative and policy-making body.

2.The Executive Committee oversees its administration and advises the Governing Council.

3.The Secretary General is its political head.

4.Its standing committees prepare draft resolutions for adoption by the Assembly.

Which of the statements given above are correct?

1 and 2 only 2, 3 and 4 only 1, 2 and 4 only 1, 2, 3 and 4

From: IPU 153rd Assembly: Harivansh Leads Indian Delegation to Arusha Open full article →

35.

Consider the following statements about the Deputy Chairman of the Rajya Sabha:

1.The Deputy Chairman is chosen by the members of the Rajya Sabha from among themselves.

2.While the office of Chairman is vacant, the Deputy Chairman performs the duties of that office.

Which of the statements given above is/are correct?

1 only 2 only Both 1 and 2 Neither 1 nor 2

From: IPU 153rd Assembly: Harivansh Leads Indian Delegation to Arusha Open full article →

36.

Consider the following statements about the Indian Parliamentary Group:

1.It functions as the National Group of the Inter-Parliamentary Union (IPU) in India.

2.The Speaker of the Lok Sabha is its ex officio President.

3.Only members of the Lok Sabha are eligible to become its members.

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: IPU 153rd Assembly: Harivansh Leads Indian Delegation to Arusha Open full article →

37.

Match List I with List II:

List I (Hydroelectric project)

A. Sewa-II

B. Salal

C. Uri-I

D. Nathpa Jhakri

List II (River basin)

1.Chenab

2.Sutlej

3.Ravi

4.Jhelum

Select the correct answer using the code given below:

A-1, B-3, C-4, D-2 A-3, B-4, C-1, D-2 A-1, B-4, C-3, D-2 A-3, B-1, C-4, D-2

From: Sewa-II Hydroelectric Project: Four CISF Personnel Shot Dead Open full article →

38.

Consider the following statements about run-of-river hydroelectric schemes such as Sewa-II:

1.They rely mainly on the river's flow and the drop in elevation, rather than on a large seasonal reservoir.

2.By definition, they have no dam or other structure across the river.

3.Their powerhouse can lie well downstream of the dam, with water carried to it through a tunnel.

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: Sewa-II Hydroelectric Project: Four CISF Personnel Shot Dead Open full article →

39.

Consider the following statements about the Ravi river:

1.It rises from a spring at Verinag at the foot of the Pir Panjal range.

2.Under the terms of the Indus Waters Treaty, 1960, its waters, including those of tributaries such as the Sewa, are available for the unrestricted use of India.

3.Before joining the Chenab in Pakistan, it drains the area between the Pir Panjal and Dhauladhar ranges.

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: Sewa-II Hydroelectric Project: Four CISF Personnel Shot Dead Open full article →

40.

Consider the following statements about the Central Industrial Security Force (CISF):

1.It is a Central Armed Police Force under the Ministry of Home Affairs.

2.It is constituted under an Act of Parliament.

3.Its mandate is confined to industrial units of the public sector and does not extend to airports or seaports.

How many of the above statements are correct?

Only one Only two All three None

From: Sewa-II Hydroelectric Project: Four CISF Personnel Shot Dead Open full article →

41.

Consider the following statements about hydropower:

1.A station's installed capacity, in megawatts, is the energy it generates in a year.

2.The power of falling water depends on both its rate of flow and its head.

3.A steep river reach suits hydropower even with little storage, because it gives a large head.

4.A generator converts the rotation of a turbine into electricity.

Which of the statements given above are correct?

2 and 3 only 1, 2 and 4 only 1, 2, 3 and 4 2, 3 and 4 only

From: Sewa-II Hydroelectric Project: Four CISF Personnel Shot Dead Open full article →

42.

Hair resists digestion in the stomach, so swallowed strands can collect into a mass called a trichobezoar. Hair is made mainly of which one of the following?

Cellulose, a carbohydrate that human digestive enzymes cannot break down Chitin, the material of insect exoskeletons Keratin, a fibrous protein that resists digestive enzymes Melanin, the pigment that gives hair its colour

From: Rapunzel Syndrome: 1 kg Hair Mass Removed From Girl in Kerala Open full article →

43.

Consider the following statements:

Statement-I: Diagnosis of a trichobezoar is often delayed.

Statement-II: Its early symptoms, such as abdominal discomfort, nausea or loss of appetite, are common to many other conditions.

Statement-III: The hair mass can keep growing for a long time, as more hair is swallowed, before it blocks the movement of food.

Which one of the following is correct in respect of the above statements?

Both Statement-II and Statement-III are correct and both of them explain Statement-I Both Statement-II and Statement-III are correct, but only one of them explains Statement-I Only one of Statement-II and Statement-III is correct and that is the explanation of Statement-I Neither Statement-II nor Statement-III is correct

From: Rapunzel Syndrome: 1 kg Hair Mass Removed From Girl in Kerala Open full article →

44.

Consider the following statements:

1.Trichotillomania is the recurrent pulling out of one's own hair.

2.Habit-reversal training, a behavioural therapy, is among the treatments used for hair-pulling behaviour.

3.Rapunzel syndrome is a hair mass that remains confined to the stomach.

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: Rapunzel Syndrome: 1 kg Hair Mass Removed From Girl in Kerala Open full article →

45.

Consider the following statements about human digestion:

1.Pepsin, a protein-digesting enzyme of the stomach, works best in an alkaline medium.

2.Peristalsis, rhythmic contraction of the gut's muscles, pushes food along the gut.

3.Villi in the small intestine increase the surface area for absorbing digested food.

4.Bile salts break fat into smaller globules, aiding its digestion by enzymes.

Which of the statements given above are correct?

1, 3 and 4 only 2 and 4 only 1, 2, 3 and 4 2, 3 and 4 only

From: Rapunzel Syndrome: 1 kg Hair Mass Removed From Girl in Kerala Open full article →