71. The S-400 is a modern long-range surface-to-air missile (MLR SAM) system developed by which country?
[A] United States
[B] France
[C] Russia
[D] Japan
Show Answer
Correct Answer: C [Russia]
Notes:
India is set to receive the remaining two units of the S-400 Triumf from Russia in 2026, completing the delivery under the deal. The system was procured under a $5.43 billion agreement signed in 2018 for five squadrons, out of which three are already inducted into the Indian Air Force. The S-400 is a modern long-range surface-to-air missile (MLR SAM) system developed by Russia. It can track and destroy multiple aerial targets at once within a range of up to 600 kilometres. The S-400 provides a powerful multi-layered air defence shield against threats like fighter jets, drones, cruise missiles, ballistic missiles, and stealth aircraft.
72. What is the objective of tri service joint military exercise “Dweep Shakti” conducted in March 2026?
[A] Cyber warfare capability
[B] Mountain warfare preparedness
[C] Integrated rapid response for coastal and island defence
[D] Space-based defence systems
Show Answer
Correct Answer: C [Integrated rapid response for coastal and island defence]
Notes:
The Tri-Service exercise “Dweep Shakti” was conducted jointly by the Indian Army, Indian Navy, and Indian Air Force from March 24 to March 28. The exercise aimed to validate integrated capabilities for rapid response in coastal and island defence operations. It involved coordinated amphibious assaults, maritime dominance operations, and complex beach landing drills. Advanced next-generation equipment and drones were used, highlighting improved precision and interoperability among the three services. The exercise helped refine integrated tactics, techniques, and procedures, strengthening multi-domain operational capability.
73. INS Sunayna, recently visited Maldives as part of its deployment, belongs to which category of naval ships?
[A] Aircraft carrier
[B] Submarine
[C] Offshore Patrol Vessel
[D] Destroyer
Show Answer
Correct Answer: C [Offshore Patrol Vessel]
Notes:
Indian Navy’s offshore patrol vessel INS Sunayna arrived at Malé, Maldives, under the Indian Ocean Ship (IOS) SAGAR initiative, strengthening India–Maldives maritime ties. The ship was welcomed by Maldives National Defence Force, with two MNDF personnel onboard as part of the multinational crew. This initiative aligns with “Neighbourhood First” policy and Mutual and Holistic Advancement for Security and Growth Across Regions (MAHASAGAR) vision. It highlights India’s commitment to regional security, interoperability, and maritime cooperation.
74. The Hwasong-11A (also known as KN-23) is a short-range ballistic missile developed by which country?
[A] North Korea
[B] China
[C] Japan
[D] South Korea
Show Answer
Correct Answer: A [North Korea]
Notes:
North Korea confirmed testing new cluster-warhead systems on Hwasong-11A short-range ballistic missiles, designed to destroy wide targets. The Hwasong-11A (also known as KN-23) is a short-range ballistic missile developed by North Korea. The tests demonstrated the ability to disperse bomblets over a 6 to 7-hectare area using Hwasong-11 missiles, aiming to maximize damage against soft targets and infrastructure.
75. Exercise Brahmastra, a major live-firing exercise by the Indian Army, was held in which state?
[A] Arunachal Pradesh
[B] Punjab
[C] Rajasthan
[D] Gujarat
Show Answer
Correct Answer: C [Rajasthan]
Notes:
Exercise Brahmastra, a major live-firing exercise by the Indian Army, was held at the Pokhran Field Firing Range in Jaisalmer, Rajasthan. The purpose of this exercise is to showcase the combat capabilities of the newly inducted AH-64E Apache attack helicopters and test coordination between air and ground forces. The Boeing AH-64 Apache is a multi-role attack helicopter equipped with a 30 mm chain gun, AGM-114 Hellfire missiles, and rockets for precision strikes. The exercise tested operational readiness, coordination between pilots and ground crews, and precision targeting in simulated battlefield conditions.
76. The ALH Mk III is a variant of which indigenous helicopter?
[A] Dhruv
[B] Rudra
[C] Prachand
[D] Chetak
Show Answer
Correct Answer: A [Dhruv]
Notes:
Recently, Hindustan Aeronautics Limited handed over four ALH Mk III Maritime Role helicopters to the Indian Coast Guard, boosting maritime capabilities. ALH Mk III is the maritime variant of the indigenous Dhruv Advanced Light Helicopter. It is indigenously designed and manufactured in India, supporting self-reliance in defence. It is a multi-role, twin-engine helicopter suited for complex maritime operations. It enhances operational readiness, rapid response, and surveillance efficiency of the Indian Coast Guard.
77. Balikatan Exercise is the largest bilateral military exercise between the United States and which country?
[A] Philippines
[B] Australia
[C] Japan
[D] France
Show Answer
Correct Answer: A [Philippines]
Notes:
Balikatan Exercise is the largest bilateral military drill between the Armed Forces of the Philippines and the United States Armed Forces. The term “Balikatan” means “shoulder-to-shoulder,” symbolising the strong alliance between the Philippines and the United States. It is conducted annually, with the first edition held in 2001. The 2026 exercise (41st edition) will be held from 20 April to 8 May 2026. Around 17,000 troops from seven countries—Philippines, USA, Australia, Japan, Canada, France, and New Zealand—will participate. The exercise aims to enhance regional security through joint operations and interoperability.
78. R-37M Missile was developed by which country?
[A] Israel
[B] Australia
[C] Russia
[D] North Korea
Show Answer
Correct Answer: C [Russia]
Notes:
Russia has approved the sale of the R-37M (Russian long-range air-to-air missile), also known as AA-13 Axehead (North Atlantic Treaty Organization reporting name), to India to enhance its air combat capability. The missile is designed for BVR (Beyond Visual Range) combat, allowing it to strike targets at very long distances without direct visual contact. It is developed to destroy enemy fighter jets, drones, and other aerial threats effectively. The missile is nicknamed an “AWACS (Airborne Warning and Control System) Killer” because it can target high-value aircraft like radar planes, refuelling tankers, and jamming systems.
79. The Advanced Armoured Platforms were developed by which organisation?
[A] Indian Space Research Organization
[B] Hindustan Aeronautics Limited
[C] Defence Research and Development Organisation
[D] None of the Above
Show Answer
Correct Answer: C [Defence Research and Development Organisation]
Notes:
Defence Research and Development Organisation unveiled Advanced Armoured Platforms (tracked & wheeled) on April 25, 2026, at Ahilyanagar, Maharashtra. These platforms were developed by Vehicles Research and Development Establishment to meet evolving operational needs of Indian defence forces. They feature an indigenously developed 30 mm crewless turret with a 7.62 mm PKT gun and Anti-Tank Guided Missile capability.
80. INS Kalpeni was built by which shipyard?
[A] Mazagon Dock Shipbuilders Limited
[B] Cochin Shipyard Limited
[C] Garden Reach Shipbuilders & Engineers
[D] Hindustan Shipyard Limited
Show Answer
Correct Answer: C [Garden Reach Shipbuilders & Engineers]
Notes:
INS Kalpeni is a fast attack craft of the Indian Navy and recently visited Gan, strengthening India–Maldives maritime cooperation. It belongs to the Car Nicobar class Waterjet Fast Attack Craft built by Garden Reach Shipbuilders and Engineers. It was commissioned on 14 October 2010. The ship is named after Kalpeni Island of Lakshadweep. It is based at Kochi under the Southern Naval Command. Its roles include coastal surveillance, anti-smuggling, boarding operations, and search and rescue.