(1.) The Indian Navy commissioned its third indigenously built nuclear-powered ballistic missile submarine, INS Aridhaman, in which city?

(a.) Kochi

(b.) Visakhapatnam

(c.) Mumbai

(d.) Chennai

(2.) INS Aridhaman belongs to which class of naval submarine technology?

(a.) Conventional Diesel-Electric Submarine (SSK)

(b.) Ship, Submersible, Ballistic, Nuclear (SSBN)

(c.) Attack Nuclear Submarine (SSN)

(d.) Coastal Patrol Submarine

(3.) Who presided over the commissioning ceremony of INS Aridhaman in April 2026?

(a.) Prime Minister Narendra Modi

(b.) Union Defence Minister Rajnath Singh

(c.) Chief of Naval Staff

(d.) National Security Advisor

(4.) What is the name of the high-altitude analogue mission launched by ISRO in Leh for the Gaganyaan programme?

(a.) Mission VYOM

(b.) Mission MITRA

(c.) Mission GAGAN

(d.) Mission LEH-SPACE

(5.) Mission MITRA in Leh is spearheaded by ISRO's Human Space Flight Centre in collaboration with which organization?

(a.) Protoplanet Private Limited

(b.) Bellatrix Aerospace

(c.) Skyroot Aerospace

(d.) Agnikul Cosmos

(6.) Which Indian naval stealth frigate undertook an operational port call to Tanzania in April 2026 under the MAHASAGAR vision?

(a.) INS Shivalik

(b.) INS Trikand

(c.) INS Sahyadri

(d.) INS Teg

(7.) INS Trikand, which visited Tanzania, belongs to which class of guided-missile frigates?

(a.) Nilgiri-class

(b.) Talwar-class

(c.) Shivalik-class

(d.) Rajput-class

(8.) Which public sector steel enterprise supplied specialised DMR-295 high-strength steel for the construction of Project 17A frigates like INS Taragiri?

(a.) Tata Steel

(b.) Rashtriya Ispat Nigam Limited

(c.) Steel Authority of India Limited (SAIL)

(d.) Jindal Steel and Power

(9.) Which integrated steel plants under SAIL contributed special steel for naval indigenisation programs?

(a.) Bokaro, Bhilai, and Rourkela Steel Plants

(b.) Visakhapatnam and Salem Steel Plants

(c.) Durgapur and IISCO Burnpur Plants only

(d.) Tinsukia and Paradip Plants

(10.) What does the abbreviation SAMPANN stand for, which was adopted by the Government of Goa for digital pension management?

(a.) System for Accounting and Management of Pension

(b.) State Automated National Pension Network

(c.) Secure Administration and Management Portal for New Pensioners

(d.) Standard Accounting Model for Pensioners Administration

(11.) The SAMPANN digital pension management platform was originally developed by which central department/ministry?

(a.) Department of Expenditure, Ministry of Finance

(b.) Department of Telecommunications, Ministry of Communications

(c.) Ministry of Personnel, Public Grievances and Pensions

(d.) Ministry of Electronics and Information Technology

(12.) In which Union Territory or high-altitude region was ISRO's Mission MITRA conducted in April 2026?

(a.) Jammu and Kashmir

(b.) Ladakh (Leh)

(c.) Uttarakhand (Auli)

(d.) Himachal Pradesh (Keylong)

(13.) What is the principal objective of conducting high-altitude analogue missions like Mission MITRA?

(a.) To test rocket propellant burn rates in low temperatures

(b.) To study crew performance, team dynamics, resilience, and physiological responses for human spaceflight

(c.) To launch micro-satellites using balloon carriers

(d.) To map deep underground mineral reserves

(14.) What strategic vision guides India’s maritime security cooperation and naval port calls across the Western Indian Ocean Region?

(a.) SAGARMALA Initiative

(b.) MAHASAGAR Vision

(c.) Indo-Pacific Oceans Initiative

(d.) Blue Economy Framework

(15.) What is the approximate quantity of specialized steel supplied by SAIL for Project 17A stealth frigates like INS Taragiri?

(a.) 1,000 tonnes

(b.) 2,500 tonnes

(c.) 4,000 tonnes

(d.) 10,000 tonnes

(16.) Which state government signed an agreement to implement the SAMPANN portal for pension administration transparency?

(a.) Government of Kerala

(b.) Government of Goa

(c.) Government of Gujarat

(d.) Government of Odisha

(17.) What missile system is prominently equipped on Talwar-class frigates like INS Trikand?

(a.) Prithvi Ballistic Missile

(b.) BrahMos Supersonic Cruise Missile

(c.) Agni-V Intercontinental Missile

(d.) K-15 Submarine-Launched Missile

(18.) What significance does the commissioning of INS Aridhaman hold for India's national security architecture?

(a.) It enhances India's conventional coastal patrol speed

(b.) It strengthens India's nuclear triad and second-strike retaliatory capability

(c.) It replaces all aircraft carriers in service

(d.) It serves primarily as a naval training vessel

(19.) Which department of ISRO oversees crew training and human spaceflight mission planning?

(a.) Space Applications Centre

(b.) Human Space Flight Centre (HSFC)

(c.) Satish Dhawan Space Centre

(d.) Vikram Sarabhai Space Centre

(20.) In which coastal state is Visakhapatnam, the location of the INS Aridhaman commissioning event, situated?

(a.) Tamil Nadu

(b.) Andhra Pradesh

(c.) Odisha

(d.) Kerala

(21.) How does the adoption of the SAMPANN platform benefit state government pension administration?

(a.) By shifting pension payouts to cryptocurrency wallets

(b.) By ensuring end-to-end paperless processing, transparent accounting, and efficient grievance redressal

(c.) By privatizing pension fund management entirely

(d.) By eliminating all banking intermediaries

(22.) Which country in East Africa served as the destination for INS Trikand's strategic port engagement in April 2026?

(a.) Kenya

(b.) Tanzania

(c.) Mozambique

(d.) Madagascar

(23.) What does the acronym SSBN stand for in naval nomenclature?

(a.) Strategic Surface Battleship Nuclear

(b.) Ship, Submersible, Ballistic, Nuclear

(c.) Submarine Strike Battle Network

(d.) Super Silent Ballistic Navigation

(24.) Which initiative supports indigenous public sector manufacturing synergy in defense production across India?

(a.) Atmanirbhar Bharat

(b.) Make for World Initiative

(c.) Digital Public Infrastructure Grid

(d.) National Manufacturing Corridor

(25.) What is the primary operational utility of high-altitude environments like Leh for ISRO’s human spaceflight training simulations?

(a.) Simulating high-velocity atmospheric re-entry friction

(b.) Simulating low-pressure, oxygen-constrained, and rugged isolation conditions experienced during deep space adaptation

(c.) Testing rocket liquid fuel freezing points

(d.) Measuring solar magnetic radiation anomalies

(26.) Who commanded INS Trikand during its diplomatic and security mission to East Africa in April 2026?

(a.) Captain Sachin Kulkarni

(b.) Admiral Dinesh K Tripathi

(c.) Captain R. Hari Kumar

(d.) Commander Abhilash Tomy

(27.) Which ministry oversees the Department of Telecommunications which created the SAMPANN portal?

(a.) Ministry of Electronics and Information Technology

(b.) Ministry of Communications

(c.) Ministry of Finance

(d.) Ministry of Corporate Affairs

(28.) Project 17A is associated with the construction of which category of advanced naval vessels?

(a.) Nuclear Aircraft Carriers

(b.) Stealth Frigates

(c.) Landing Platform Docks

(d.) Corvettes

(29.) What role does the steel supplied by SAIL play in the context of indigenous warship construction?

(a.) It provides decorative exterior cladding

(b.) It ensures high structural strength, ballistic resistance, and reduces dependence on imported naval metals

(c.) It acts as electrical insulation cabling

(d.) It serves as ballast weight for underwater stability

(30.) Which high-profile defense vessel commissioning marked a major landmark for India on April 5, 2026?

(a.) INS Vikrant

(b.) INS Aridhaman

(c.) INS Visakhapatnam

(d.) INS Vikrant Second