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25 questions from UPSC CSE Prelims GS Paper 1 on Defence Technology (Science & Technology). Spanning from 1996 to 2025. Practice with show/hide answers and detailed explanations.
25
Questions
15
Years
10
Easy
15
Moderate
Based on 25 questions across 15 years, UPSC has consistently tested aspirants' understanding of Defence Technology within the broader Science & Technology syllabus. The questions range from factual recall to application-based analysis.
Recent trends show UPSC moving towards statement-based questions that combine multiple aspects of Defence Technology. Aspirants should focus on understanding concepts rather than memorizing isolated facts.
Q: मानव-रहित वायु वाहन (UAV) के संदर्भ में, निम्नलिखित कथनों पर विचार कीजिए : I. सभी प्रकार के UAV ऊर्ध्वाधर अवतरण (लैंडिंग) कर सकते हैं। II. सभी प्रकार के UAV स्वतः मण्डरा सकते हैं। III. सभी प्रकार के UAV सस्ती पूंजी के स्रोत के रूप में केवल बैटरी का प्रयोग कर सकते हैं। उपर्युक्त कथनों में से कितने सही हैं?
Q: कभी-कभी समाचार माध्यमों में CL-20, HMX और LLM-105 के रूप में उल्लिखित नवीनतम उन्नत रासायनिक पदार्थ किससे संबद्ध हैं?
Q: भारत की रक्षा के संदर्भ में, निम्नलिखित युग्मों पर विचार कीजिए : वायुयान प्रकार — विवरण I. डॉर्नियर-228 : समुद्री वायुयान II. IL-76 : सामरिक युद्धक वायुयान III. C-17 ग्लोबमास्टर III : वायु परिवहन वायुयान उपयुक्त युग्मों में से कितने सही सुमेलित हैं?
Q: Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking the migration of animals In how many of the above activities can the radars be used?
Q: Consider the following aircraft: 1. Rafael 2. MiG-29 3. Tejas MK-1 How many of the above are considered fifth generation fighter aircraft?
Q: Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces? Army Airforce Navy 1. Brigadier Air Commodore Commander 2. Major General Air Vice Marshal Vice Admiral 3. Major Squadron Leader Lieutenant Commander 4. Lieutenant Colonel Group Captain Captain Select the correct answer using the code given below:
Q: सैन्य कार्य विभाग के प्रमुख के रूप में चीफ ऑफ डिफेंस स्टाफ (CDS) के कर्तव्य कौन-से हैं ? 1. चीफ ऑफ स्टाफ कमेटी के स्थायी अध्यक्ष 2. तीनों सेवा प्रमुखों (सर्विस चीफ) पर सैन्य कमान का प्रयोग करना 3. सभी तीनों सेवाओं (ट्राई-सेविस) के विषयों पर रक्षा मंत्री के प्रमुख सैन्य सलाहकार नीचे दिए गए कूट का प्रयोग कर सही उत्तर चुनिए :
Q: निम्नलिखित क्रियाओं पर विचार कीजिए : 1. फसल के खेत पर कीटनाशक का छिड़काव करना 2. सक्रिय ज्वालामुखियों के क्रेटर का निरीक्षण करना 3. स्पाउटिंग व्हेल से डीएनए विश्लेषण हेतु श्वास नमूने एकत्र करना वर्तमान में उपर्युक्त में से कितनी क्रियाएँ ड्रोन का उपयोग कर सफलतापूर्वक की जा सकती हैं?
Q: Consider the following statements: 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight. 2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile. Which of the statements given above is/are correct?
Q: निम्नलिखित कथनों में से कौन-सा एक, जनसंचार-माध्यमों में बहुप्रचलित "प्रभामी कक्षीय चमकायी प्रणाली" के आधारभूत विचार को सर्वोत्कृष्ट रूप से प्रतिबिंबित करता है ?
Q: Which one of the following statements best describes the ‘Polar Code’?
Q: Consider the following activities : 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones ?
Q: What is "Terminal High Altitude Area Defense (THAAD)", sometimes seen in the news?
Q: Which one of the following is the best description of 'INS Astradharini', that was in the news recently?
Q: What is 'Greased Lightning-10 (GL-10)', recently in the news?
Q: With reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid propellant only. 3. It can deliver one-tonne nuclear warheads about 7500 km away. Select the correct answer using the code given below.
Q: Consider the following statements: 1. INS Sindhughosh is an aircraft carrier. 2. INS Viraat is a submarine. Which of the statements given above is/are correct?
Q: In the context of Indian defence, consider the following statements : 1. The Shourya missile flies with a speed of more than 8 Mach. 2. The range of Shourya missile is more than 1600 km. Which of the statements given above is/are correct ?
Q: From which one of the following did India buy the Barak anti-missile defence systems?
Q: In the context of the Indian defence, what is ‘Dhruv’?
Q: Consider the following statements: 1. In November 2006, DRDO successfully conducted the interception test using Prithvi-II missile. 2. Prithvi-II is a surface-to-surface missile and can be deployed to guard the metros against air attack. Which of the statements given above is/are correct?
Q: Which one of the following pairs is not correctly matched?
Q: With reference to Indian defence, which one of the following statements is correct?
Q: The range of Agni-II missile is around
Q: Which one of the following is a modern tank?
UPSC has asked 25 questions on Defence Technology in GS Paper 1 Prelims between 1996 and 2025. This sub-topic falls under Science & Technology.
Questions on Defence Technology have appeared in UPSC Prelims in the following years: 2025, 2024, 2023, 2022, 2020, 2018, 2016, 2014, 2009, 2008, 2007, 2005, 2003, 2001, 1996. The topic has appeared in 15 out of 31 years.
Among 25 questions on Defence Technology: 10 are easy, 15 are moderate, and 0 are difficult. Most questions test conceptual understanding of the topic.
