Daily UPSC Prelims Quiz (November 03, 2026): 5 High-Yield MCQs & Explanations

Daily UPSC Prelims Quiz (November 03, 2026): 5 High-Yield MCQs & Explanations

Daily UPSC Prelims Quiz: 5 High-Yield Questions with Detailed Explanations (November 03, 2026)

Test your knowledge with today's UPSC Prelims practice questions derived from today's top newspaper editorials. Attempt each question before reading the explanation and trap alerts.

Question 1: Constitutional Reservation Jurisprudence & Sub-classification

Context / Statement: Consider the following statements regarding reservation jurisprudence and constitutional provisions in India:

  1. The Supreme Court recently upheld the constitutional validity of sub-classification within Scheduled Castes (SCs) to ensure preferential treatment for the most backward among them.
  2. Article 335 of the Constitution stipulates that the claims of members of the Scheduled Castes and Scheduled Tribes shall be considered consistently with the maintenance of efficiency of administration.
  3. The "Creamy Layer" principle was explicitly written into the text of the original Constitution by the framers to exclude affluent individuals from affirmative action benefits.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

ЁЯСЙ Click to Reveal Answer & Detailed Explanation

Correct Answer: (a)

Detailed Explanation: Statement 1 is correct. A seven-judge bench of the Supreme Court held that states have the legislative competence to sub-classify Scheduled Castes to grant preferential quotas to the most marginalized sub-groups. Statement 2 is correct: Article 335 mandates that efficiency of administration must be kept in mind while considering claims of SC/STs in appointments. Statement 3 is incorrect because the "Creamy Layer" concept was not in the original Constitution; it was evolved by the Supreme Court in the landmark Indra Sawhney v. Union of India (1992) judgment for Other Backward Classes (OBCs) and subsequently extended via judicial interpretation, not framers' text.

⚠️ UPSC Prelims Trap Alert: UPSC frequently attributes judicial doctrines (like Creamy Layer or Basic Structure) directly to the original constitutional text drafted by the Constituent Assembly.

Syllabus Match: GS Paper 2 - Indian Constitution—Historical Underpinnings, Evolution, Features, Amendments, Significant Provisions and Basic Structure.

Question 2: Multilateral Groupings & Treaty-Making Powers

Context / Statement: Consider the following statements regarding BRICS and constitutional treaty-making powers in India:

  1. BRICS is a supranational organization whose declarations and summits require mandatory ratification by the national parliaments of all member states before coming into force.
  2. Under Article 253 of the Indian Constitution, Parliament is empowered to make laws implementing international treaties, agreements, or conventions for the whole or any part of the territory of India.
  3. The New Development Bank (NDB), established by BRICS nations, is headquartered in Shanghai, China.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

ЁЯСЙ Click to Reveal Answer & Detailed Explanation

Correct Answer: (b)

Detailed Explanation: Statement 1 is incorrect. BRICS is an informal intergovernmental association and dialogue mechanism, not a supranational bloc like the European Union; its declarations are political consensus documents and do not require parliamentary ratification. Statement 2 is correct: Article 253 gives Parliament sweeping powers to legislate on any subject (even in the State List) to implement international obligations. Statement 3 is correct: The New Development Bank (NDB) is headquartered in Shanghai, China, with regional offices in South Africa, Brazil, and India (GIFT City).

⚠️ UPSC Prelims Trap Alert: Equating flexible multilateral groupings (like BRICS, QUAD, SCO) with tightly integrated supranational unions (like the EU) that possess legislative supremacy.

Syllabus Match: GS Paper 2 - Bilateral, Regional and Global Groupings and Agreements involving India and/or affecting India's interests.

Question 3: Quantum Computing & Environmental Health

Context / Statement: Consider the following statements regarding Quantum Technology and Air Pollution metrics:

  1. Quantum computers utilize qubits that can exist in states of superposition and entanglement, enabling massive parallel processing capabilities.
  2. The National Quantum Mission (NQM) aims to seed, nurture, and scale up scientific and industrial R&D in quantum technology across India.
  3. Particulate Matter ($PM_{2.5}$) refers to microscopic air pollutants with a diameter of 2.5 micrometers or more, which easily bypass nasal filters to reach the bloodstream.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

ЁЯСЙ Click to Reveal Answer & Detailed Explanation

Correct Answer: (a)

Detailed Explanation: Statements 1 and 2 are correct. Quantum computing relies on quantum mechanics (superposition and entanglement) rather than binary bits, and the National Quantum Mission is spearheaded by the Department of Science and Technology (DST). Statement 3 is incorrect because $PM_{2.5}$ refers to particulate matter with a diameter of 2.5 micrometers or *less* (fine particles), not *more*. Particles larger than 2.5 micrometers are classified as $PM_{10}$ or coarser.

⚠️ UPSC Prelims Trap Alert: Watch out for subtle inequalities ("or more" vs "or less") in scientific definitions like particulate matter sizing ($PM_{2.5}$ and $PM_{10}$).

Syllabus Match: GS Paper 3 - Awareness in the fields of IT, Space, Computers, Robotics, Nanotechnology, Biotechnology and issues relating to Intellectual Property Rights; Environmental Pollution.

Question 4: Carbon Credits Trading Scheme & Macroeconomic Indicators

Context / Statement: Consider the following statements regarding India's Carbon Credits Trading Scheme (CCTS) and GDP measurement:

  1. The Carbon Credits Trading Scheme in India is formulated under the framework of the Energy Conservation Act, 2001 (as amended in 2022).
  2. Under the compliance mechanism of CCTS, obligated entities can earn Carbon Credit Certificates (CCCs) if they surpass their mandated emission reduction targets.
  3. Real Gross Domestic Product (GDP) is calculated at current market prices without factoring in inflation or base year adjustments.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

ЁЯСЙ Click to Reveal Answer & Detailed Explanation

Correct Answer: (a)

Detailed Explanation: Statements 1 and 2 are correct. The Energy Conservation (Amendment) Act, 2022 empowered the Central Government to specify a carbon credit trading scheme, implemented alongside the Bureau of Energy Efficiency (BEE). Statement 3 is incorrect because *Real* GDP is calculated using a fixed base year at constant prices to strip out the effects of inflation. GDP at *current* prices is known as Nominal GDP.

⚠️ UPSC Prelims Trap Alert: Confusing Real GDP (constant prices, base year adjusted) with Nominal GDP (current prices unadjusted for inflation).

Syllabus Match: GS Paper 3 - Indian Economy and issues relating to planning, mobilization of resources, growth, development and environment conservation.

Question 5: Climatology (El Ni├▒o) & Art and Culture (Chandela Dynasty)

Context / Statement: Consider the following statements regarding El Ni├▒o phenomena and the Chandela dynasty:

  1. El Ni├▒o is marked by anomalous warming of sea surface temperatures in the central and eastern equatorial Pacific, disrupting the Walker Circulation and generally weakening the Indian summer monsoon.
  2. The Chandela dynasty of Jejakabhukti ruled parts of central India and was prolific patrons of the Nagara style of temple architecture.
  3. The famous Lakshmana Temple at Khajuraho, featuring exquisite sculptures and a Panchayatana layout, was built by the Chandela ruler Vidyadhara.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3

ЁЯСЙ Click to Reveal Answer & Detailed Explanation

Correct Answer: (a)

Detailed Explanation: Statements 1 and 2 are correct. El Ni├▒o warms the eastern Pacific, altering atmospheric pressure cells (Walker Circulation) and typically leading to deficient rainfall in India. The Chandelas of Bundelkhand (Jejakabhukti) built masterworks of Nagara architecture at Khajuraho. Statement 3 is incorrect: The Lakshmana Temple at Khajuraho was commissioned and built by the Chandela king *Yasovarman* (around 954 CE), whereas the magnificent Kandariya Mahadeva temple was built by king *Vidyadhara*.

⚠️ UPSC Prelims Trap Alert: Swapping specific rulers associated with iconic temple constructions within the same dynastic complex (e.g., Khajuraho builders).

Syllabus Match: GS Paper 1 - Indian Heritage and Culture; Important Geophysical Phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc.

Prelims Revision Flashcards

  • Sub-classification of SCs: States possess legislative competence to create sub-quotas within SCs for targeted affirmative action, per recent Supreme Court rulings.
  • Article 253: Empowers Parliament to legislate on State List subjects to execute international treaties and obligations.
  • National Quantum Mission (NQM): Implemented by the DST to drive quantum computing, communication, and sensing capabilities.
  • Carbon Credits Trading Scheme: Backed by the Energy Conservation Act, 2001 and managed in tandem with BEE for compliance carbon markets.
  • Khajuraho Architecture: Nagara style temples built by the Chandela dynasty; Yasovarman built the Lakshmana Temple, while Vidyadhara built the Kandariya Mahadeva.

Conclusion

Consistency is the bedrock of success in the Civil Services Examination. Drop your scores (out of 5) and analytical insights in the comments below!

ЁЯПЫ️ Official Government & Policy Updates (PIB Gazette Connect)

Key national initiatives, Cabinet & Ministry releases aligned with GS-2 and GS-3:

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