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ANSWER KEY WORKBOOK  \n| 1 | C | 21 | A | 41 | B | 61 | C | 81 | C |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 2 | C | 22 | C | 42 | C | 62 | B | 82 | A |\n| 3 | A | 23 | D | 43 | C | 63 | B | 83 | A |\n| 4 | D | 24 | D | 44 | D | 64 | C | 84 | D |\n| 5 | B | 25 | D | 45 | B | 65 | C | 85 | D |\n| 6 | B | 26 | D | 46 | B | 66 | C | 86 | B |\n| 7 | C | 27 | B | 47 | C | 67 | B | 87 | D |\n| 8 | A | 28 | D | 48 | A | 68 | A | 88 | D |\n| 9 | D | 29 | A | 49 | B | 69 | B | 89 | B |\n| 10 | C | 30 | C | 50 | C | 70 | A | 90 | D |\n| 11 | C | 31 | A | 51 | C | 71 | C | 91 | D |\n| 12 | B | 32 | C | 52 | B | 72 | D | 92 | A |\n| 13 | C | 33 | D | 53 | A | 73 | D | 93 | C |\n| 14 | C | 34 | D | 54 | D | 74 | B | 94 | A |\n| 15 | C | 35 | C | 55 | A | 75 | B | 95 | C |\n| 16 | C | 36 | D | 56 | C | 76 | C | 96 | A |\n| 17 | C | 37 | C | 57 | C | 77 | A | 97 | A |\n| 18 | B | 38 | B | 58 | C | 78 | D | 98 | A |\n| 19 | C | 39 | C | 59 | D | 79 | A | 99 | B |\n| 20 | B | 40 | B | 60 | A | 80 | D | 100 | A |\n\nQE – Question Explanation; QF – Quick Facts  \n\n| Self-evaluate the reasons for your wrong attempts |  | Wrong Attempts |\n| --- | --- | --- |\n| Lack of Content | If you are unfamiliar with a concept asked in the question, you can check the Lack of Content box |  |\n| Lack of conceptual clarity | If you couldn't connect the concept to its proper application, you can check the lack of conceptual clarity box |  |\n| Negligence | If you missed the essential elements/directive in a question or you have marked the wrong answer in a hurry, you can mark this box |  |\n| Lack of revision | If you were not able to recall all the points related to a topic/concept, you can check the Lack of revision box. |  |\n\n1. Answer C  \n\n| QE | Recently, DRDO conducted Mission Divyastra-first successful flight test of indigenously developed Agni-5 missile with Multiple Independently Targetable Re-Entry Vehicle (MIRV) technology. Hence option (C) is the correct answer. |\n| --- | --- |\n| QF | MIRV technology allows a single missile to carry multiple warheads (4-6), each capable of targeting different locations independently. This makes MIRVs more difficult to defend than traditional missiles. |\n| PK Tips | Defence based questions are now gaining more significance in Prelims. Keep a watch on emerging defence technologies. |\n| Source | [https://pib.gov.in/PressReleaseIframePage.aspx?PRID=2013549](https://pib.gov.in/PressReleaseIframePage.aspx?PRID=2013549) |\n\n2. Answer C  \n\n| QE | The second indigenously built nuclear powered submarine ‘INS Arighaat’was commissioned into the Indian Navy on August 29, 2024 at Visakhapatnam, further strengthening India’s nuclear triad. Hence, option (C) is the correct answer. |\n| --- | --- |\n| QF | • INS Khanderi is a Kalvari class diesel-electric attack submarine.\u003Cbr>• INS Vikrant is India's fourth aircraft carrier and the first to be built in the country, commissioned in 2022.\u003Cbr>• INS Vikramaditya is a flagship aircraft carrier of the Indian Navy since 2013. Originally a Russian Kiev-Class ship (not indigenous) before being modified into a full-fledged aircraft carrier after its purchase by India.\u003Cbr>• Nuclear Triad-a three-sided military-force structure consisting of land-launched nuclear missiles, nuclear-missile-armed submarines, and strategic aircraft with nuclear bombs and missiles.\u003Cbr>• Importance of Nuclear Powered Submarine-A nuclear submarine uses a nuclear reactor for propulsion, providing unlimited range and endurance. It is limited only by food supplies, crew fatigue, and maintenance.\u003Cbr>• Project 75 I -India's Project 75I is an ambitious initiative to build six advanced conventional submarines, with a budget of approximately Rs 43,000 crore. |\n| PK Tips | UPSC has asked about Fifth Generation Fighter Aircraft in last year's prelims. Submarines, hence, must be noted as a potential question. |\n| Source | [https://pib.gov.in/PressReleasePage.aspx?PRID=2049870](https://pib.go","cbCaicg5d6H2UNEv","https://ap.wps.com/l/cbCaicg5d6H2UNEv","pdf",1013284,33,"English","# Answer Key (1-100)\n## Explanations (QE) and Quick Facts (QF)\n## Study Tips (PK Tips)\n## Sources","[{\"question\":\"What does the document provide for Self Assessment Test 02?\",\"answer\":\"It provides the answer key for questions 1–100, with correct options labeled and brief explanations (QE) plus quick facts (QF).\"},{\"question\":\"How are the correct answers justified in the workbook?\",\"answer\":\"Each answer includes a “QE” explanation describing the relevant factual basis and why the selected option is correct, followed by “QF” quick facts for context.\"},{\"question\":\"What is “PK Tips” used for in this workbook?\",\"answer\":\"“PK Tips” gives UPSC/Prelims-focused guidance on what to watch next, such as emerging defence technologies or major ISRO initiatives for revision.\"}]","PRELIMS KILLER 6 - 1 SELF ASSESSMENT TEST 02 ANSWER KEY WORKBOOK - Prelims | PDF",1789944195,83]