Daily PYQ MCQ – UPSC, BPSC & UPPCS
16 September 2026 | 30 Verified PYQs
UPSC CSE Prelims 2021 – Science & Technology
Q1. Why can water dissolve more substances than most other liquids?
A. It is dipolar in nature
B. It conducts heat well
C. It has high specific heat
D. It is an oxide of hydrogen
Show Answer
Water's polar nature allows it to interact effectively with ions and other polar molecules.
Q2. With reference to sodium street lamps and LED lamps:
1. Sodium lamps radiate light broadly in all directions, unlike directional LEDs.
2. Sodium lamps have a longer lifespan than LEDs.
3. Sodium light is nearly monochromatic, while LEDs offer better colour rendering.
A. 3 only
B. 2 only
C. 1 and 3 only
D. 1, 2 and 3
Show Answer
Statements 1 and 3 are correct. LEDs generally have a longer operational life than sodium lamps.
Q3. The term ACE2 is most commonly discussed in the context of:
A. GM crops
B. Satellite navigation
C. Wildlife radio collars
D. Spread of viral diseases
Show Answer
ACE2 gained attention as a cellular receptor involved in SARS-CoV-2 infection.
Q4. Bisphenol A (BPA) is an important component in the manufacture of:
A. LDPE
B. Polycarbonate
C. PET
D. PVC
Show Answer
BPA has been widely used in producing polycarbonate plastics and epoxy resins.
Q5. Triclosan, exposure to which can be harmful at high levels, is most likely found in:
A. Food preservatives
B. Fruit-ripening agents
C. Reused plastic containers
D. Toiletries
Show Answer
Triclosan has been used as an antimicrobial ingredient in products such as soaps and other toiletries.
Q6. Astronomical distances are measured in light-years mainly because:
A. Distances between stars never change
B. Stellar gravity remains constant
C. Light always travels in a straight line
D. The speed of light provides a convenient constant for enormous distances
Show Answer
A light-year is the distance light travels in one year, making it practical for expressing vast astronomical distances.
Q7. Regarding recombinant vector vaccines:
1. Genetic engineering is used in their development.
2. Bacteria or viruses may be used as vectors.
A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither
Show Answer
Engineered vectors can deliver genetic material coding for an antigen and stimulate an immune response.
Q8. Regarding mitochondrial diseases:
1. Mitochondrial replacement therapy can help prevent transmission of certain mitochondrial diseases.
2. Every mitochondrial disease is inherited entirely from the mother.
A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither
Show Answer
Mitochondrial replacement can prevent some mtDNA disorders, but not every mitochondrial disorder is caused exclusively by maternally inherited mtDNA.
Q9. Bollgard I and Bollgard II technologies are associated with:
A. Clonal crop propagation
B. Genetically modified crops
C. Plant growth hormones
D. Biofertilizers
Show Answer
Bollgard cotton contains Bt genes that provide resistance against important insect pests.
Q10. In a pressure cooker, cooking temperature mainly depends on:
1. Area of the vent/hole
2. Temperature of the flame
3. Weight of the pressure regulator
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Show Answer
The pressure maintained inside depends mainly on the vent arrangement and regulator weight; higher pressure raises water's boiling point.
68th BPSC CCE Prelims 2023 – Economy & Bihar Economy
Q1. Which among the following was treated in the BPSC key as the first programme of community development among the given options?
A. National Extension Service
B. Integrated Rural Development Programme
C. Cooperation Movement
D. More than one
E. None
Show Answer
The BPSC key selects National Extension Service. Historically, the Community Development Programme began in 1952, but it was not among the options.
Q2. Which committee recommended the enactment of the Competition Act, 2002?
A. Rangarajan Committee
B. S. V. S. Raghavan Committee
C. Vijay Kelkar Committee
D. More than one
E. None
Show Answer
The Raghavan Committee recommended a modern competition-law framework that led to the Competition Act, 2002.
Q3. Which organisation traditionally conducted the household surveys used for poverty-line estimation?
A. NSSO
B. NITI Aayog
C. RBI
D. More than one
E. None
Show Answer
NSSO consumption-expenditure surveys supplied the household data used in poverty estimation exercises.
Q4. India's combined merchandise-and-services trade balance for December 2022 (provisional) was:
A. − USD 10.50 billion
B. + USD 11.98 billion
C. − USD 11.98 billion
D. More than one
E. None
Show Answer
The BPSC final key recorded a provisional deficit of USD 11.98 billion.
Q5. Bihar's lowest female workforce participation rate for the referenced 2020–22 period was approximately:
A. Rural 4% and Urban 6.5%
B. Rural 6% and Urban 8.1%
C. Rural 7% and Urban 9.1%
D. More than one
E. None
Show Answer
The keyed figures were roughly 4% in rural areas and 6.5% in urban areas.
Q6. According to Bihar Economic Survey 2021–22, Bihar's GSDP growth rate in 2020–21 was:
A. 3%
B. 2%
C. 2.5%
D. More than one
E. None
Show Answer
The official BPSC final key fixes the figure at 2.5%.
Q7. Which statement regarding Bihar's economy was accepted by BPSC?
A. Growth rate was among India's lowest at 2.5% in the referenced period
B. Bihar mainly produced primary goods
C. Occupational structure showed limited structural change
D. More than one of the above
E. None
Show Answer
The official key accepted more than one of the listed propositions.
Q8. According to the referenced Bihar Economic Survey 2019–20, which district had the lowest per-capita income?
A. Sheohar
B. Araria
C. Sitamarhi
D. More than one
E. None
Show Answer
Sheohar was the lowest among the listed districts in the cited survey.
Q9. Which statements about India's sugar industry were treated as true?
A. It is a weight-losing industry
B. Maharashtra had emerged as a leading sugar producer
C. Uttar Pradesh was the second-largest sugar producer
D. More than one of the above
E. None
Show Answer
Statements A and B were accepted as true; statement C was not. Hence “More than one” is correct.
Q10. Which food-processing industry dominates among Bihar's agro-based industries?
A. Cereal-based industry
B. Pulses industry
C. Sugarcane industry
D. More than one
E. None
Show Answer
Cereal processing is widespread because of Bihar's major rice, wheat and maize production base.
UPPCS Prelims 2021 – Current Affairs & Uttar Pradesh
Q1. Up to June 2021, how many Uttar Pradesh districts were included in NITI Aayog's Aspirational Districts Programme?
A. 4
B. 6
C. 8
D. 10
Show Answer
The official key accepted eight districts of Uttar Pradesh.
Q2. Which was NOT an eligibility condition for Uttar Pradesh Mukhya Mantri Swarojgar Yojana 2021?
A. Age 18–40 years
B. Minimum high-school qualification
C. Not already benefiting from another government self-employment scheme
D. Citizen of any State of India
Show Answer
The applicant was required to be a permanent resident of Uttar Pradesh.
Q3. With which country did India have the highest trade-balance surplus among these in 2019–20?
A. USA
B. China
C. Japan
D. UAE
Show Answer
India had the largest surplus among these options with the United States; trade with China was strongly deficit-oriented.
Q4. Which institute-location pair is incorrectly matched?
A. International Centre for Research on Agroforestry — Nairobi
B. Indian Institute of Forest Management — Bhopal
C. Central Agroforestry Research Institute — Banda
D. TERI — New Delhi
Show Answer
The Central Agroforestry Research Institute is located at Jhansi, not Banda.
Q5. Which Ramsar site among the following is NOT in Uttar Pradesh?
A. Sur Sarovar
B. Samaspur Bird Sanctuary
C. Saman Bird Sanctuary/Sarsai Nawar Jheel
D. Surinsar-Mansar Lakes
Show Answer
Surinsar-Mansar Lakes are in Jammu and Kashmir; the other listed wetlands are in Uttar Pradesh.
Q6. Arrange these States in chronological order of formation:
1. Goa
2. Telangana
3. Jharkhand
4. Haryana
A. 1, 2, 3, 4
B. 4, 1, 3, 2
C. 3, 2, 4, 1
D. 4, 3, 1, 2
Show Answer
Haryana (1966) → Goa (1987) → Jharkhand (2000) → Telangana (2014).
Q7. In which year was the P. C. Hota Committee on Civil Services Reforms constituted?
A. 2003
B. 2004
C. 2005
D. 2006
Show Answer
The committee was constituted in 2004 to examine civil-service reforms.
Q8. Which Tokyo Olympics medal pairing is incorrectly matched?
A. P. V. Sindhu — Bronze
B. Bajrang Punia — Silver
C. Mirabai Chanu — Silver
D. Neeraj Chopra — Gold
Show Answer
Bajrang Punia won bronze, not silver. The other three pairings are correct.
Q9. Which organisation launched the “Great Reset” initiative associated with post-COVID global recovery?
A. World Economic Forum
B. World Bank
C. OECD
D. UNCTAD
Show Answer
The initiative was launched by the World Economic Forum.
Q10. Which schemes were included in the Uttar Pradesh Budget 2021–22 as asked in the paper?
1. Atmanirbhar Krishak Samanvit Vikas Yojana
2. Mukhya Mantri Saksham Suposhan Yojana
3. Mukhya Mantri Pravasi Shramik Udhyamita Vikas Yojana
4. Yuva Udhyamita Vikas Abhiyan
A. 1, 2 and 3
B. 2, 3 and 4
C. 1, 2 and 4
D. 1, 3 and 4
Show Answer
The official key selected schemes 1, 2 and 3.
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