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UPSC Prelims Practice Set – Mixed Topics for 2025
UPSC Prelims Practice Set - Mixed Topics offers a comprehensive set of questions covering Polity, Economy, Geography, Environment, History, Science & Tech, and Current Affairs.
This practice set helps aspirants strengthen conceptual clarity, improve accuracy, and understand UPSC's evolving question pattern. Designed for both beginners and advanced aspirants, it includes multiple-choice questions with explanations, difficulty indicators, and tips to tackle tricky elimination techniques.
UPSC: Prelims Practice Set - Mixed Topics
UPSC: Prelims Practice Set - Mixed Topics is essential for aspirants preparing for the Civil Services Examination, especially those seeking to master diverse subjects tested in the General Studies Paper I. This practice set combines conceptual, factual, and analytical questions that reflect the UPSC's shifting trends. The goal is to provide a balanced, well-structured revision tool that helps students identify weak areas, strengthen foundational knowledge, and improve performance through repeated practice.
Why a Mixed-Topic Practice Set Is Important
UPSC Prelims is unpredictable. Questions can come from static subjects, dynamic issues, or the intersection of both. A mixed-topic practice set helps aspirants:
- Develop cross-topic understanding.
- Build retention across multiple domains.
- Train the brain to switch subjects quickly, replicating the real exam experience.
- Improve elimination ability by comparing options from different themes.
- Enhance accuracy through exposure to diverse question patterns.
Structure of the Practice Set
This UPSC Prelims mixed-topic practice set includes:
- 40-50 MCQs covering all major subjects.
- Topic-wise distribution: Polity, Economy, Environment, Geography, History, Art & Culture, Science & Tech, Current Affairs.
- Answer explanations for conceptual clarity.
- Difficulty levels (Easy, Moderate, Tough).
- Exam relevance indicator to highlight high-probability topics.
Topic-Wise Sample Questions
1. Indian Polity (Governance & Constitution)
Q1. Which of the following Constitutional Articles deals with the Ordinance-making power of the President?
- (a) Article 121
- (b) Article 213
- (c) Article 123
- (d) Article 356
Answer: (c)
Explanation: Article 123 empowers the President to issue ordinances when Parliament is not in session, having the same effect as an Act of Parliament.
2. Economy (Fiscal Policy, Banking, Inflation)
Q2. A rise in the Repo Rate generally leads to which of the following outcomes?
1. Decrease in money supply
2. Lower borrowing by commercial banks
3. Higher consumer spending
Select the correct answer:
- (a) 1 and 2 only
- (b) 1 and 3 only
- (c) 2 and 3 only
- (d) 1, 2, and 3
Answer: (a)
Explanation: Higher repo rate discourages borrowing and reduces liquidity. It usually lowers consumer spending, not increases it.
3. Geography (Mapping, Physical Geography)
Q3. The "Ring of Fire" is associated with:
- (a) Tropical cyclones
- (b) Volcanic eruptions and earthquakes
- (c) Desertification
- (d) Coral bleaching
Answer: (b)
Explanation: The Pacific Ring of Fire is a tectonically active zone with frequent earthquakes and volcanic eruptions.
4. Environment & Ecology (Climate, Biodiversity)
Q4. The term "Carbon Sink" refers to:
- (a) Any process that releases CO₂
- (b) Any natural or artificial reservoir that absorbs more CO₂ than it releases
- (c) A fossil fuel reserve
- (d) Industrial emissions
Answer: (b)
Explanation: Forests, oceans, and soil act as carbon sinks by absorbing carbon dioxide.
5. History & Culture (Ancient-Modern India)
Q5. The "Doctrine of Lapse" was associated with the administration of:
- (a) Lord Canning
- (b) Lord Dalhousie
- (c) Warren Hastings
- (d) Lord Ripon
Answer: (b)
Explanation: Lord Dalhousie adopted the Doctrine of Lapse, annexing princely states with no natural heir.
6. Science & Technology (Biotech, Space, IT)
Q6. CRISPR-Cas9 is primarily known for its use in:
- (a) Space communication
- (b) Gene editing
- (c) Biofuel generation
- (d) Artificial intelligence
Answer: (b)
Explanation: CRISPR-Cas9 allows precise editing of DNA sequences.
7. Current Affairs (National + Global Developments)
Q7. The Global South Summit focuses on:
- (a) Climate financing and Global South cooperation
- (b) Nuclear disarmament
- (c) Free trade agreements
- (d) Maritime piracy
Answer: (a)
Explanation: It is a platform for developing nations to discuss shared issues like climate finance, growth, and technology-sharing.
Key Benefits of Solving This Practice Set
- Boosts retention through topic diversity.
- Improves accuracy by strengthening conceptual clarity.
- Increases confidence before the UPSC Prelims exam.
- Enhances exam temperament through simulation of real-paper difficulty.
- Sharpens elimination techniques useful for tricky and unfamiliar options.
Final Tips for Success
Revise NCERTs and standard books before attempting high-difficulty sets.
Focus on factual accuracy and micro-topics.
Practice mock tests regularly and analyse mistakes.
Stay updated with dynamic current affairs from the last 1-2 years.
Maintain a revision notebook for quick review before the exam.
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