Q70. Which organisations successfully conducted combat firing of the Multi-Influence Ground Mine in May 2025?
[RRB NTPC UG CBT-I, 12 Aug 2025 Shift 1]
(A) HAL and Indian Air Force
(B) DRDO and Indian Navy
(C) ISRO and Indian Army
(D) Bharat Dynamics and Coast Guard
Answer: (B) DRDO and Indian Navy
Explanation: DRDO and the Indian Navy conducted combat firing of the Multi-Influence Ground Mine, an indigenous maritime weapon designed for underwater mine warfare. The programme adds to domestic capabilities in naval munitions and protective sea-control operations.
Q69. What is the name of India’s first indigenously designed and built diving-support vessel handed over to the Indian Navy in July 2025?
[MPPSC Assistant Engineer 2024, held 24 Aug 2025]
(A) INS Nilgiri
(B) INS Nistar
(C) INS Udaygiri
(D) INS Surat
Answer: (B) INS Nistar
Explanation: INS Nistar is an indigenous diving-support vessel constructed by Hindustan Shipyard. It is designed for deep-sea diving and submarine rescue support, strengthening the Indian Navy’s ability to conduct underwater emergency and specialist operations.
Q68. With reference to India’s defence, consider these pairs:
1. Dornier-228 — maritime patrol aircraft;
2. IL-76 — supersonic combat aircraft;
3. C-17 Globemaster III — military transport aircraft.
How many pairs are correctly matched?
[UPSC CSE Prelims 2025]
(A) Only one
(B) Only two
(C) All three
(D) None
Answer: (B) Only two
Explanation: The Dornier-228 is widely used for maritime reconnaissance and patrol. The C-17 Globemaster III is a large military transport aircraft. IL-76 is also a heavy transport aircraft, not a supersonic combat fighter, so two pairs are correct.
Q67. BHARATPOL portal was developed by which organisation?
[UPSC NDA & NA I 2025]
(A) Election Commission of India
(B) Central Bureau of Investigation
(C) Enforcement Directorate
(D) SEBI
Answer: (B) Central Bureau of Investigation
Explanation: BHARATPOL was developed by the Central Bureau of Investigation to improve cooperation with INTERPOL and information sharing among Indian law-enforcement agencies. It facilitates coordination on transnational investigations and requests linked to international police cooperation.
Q66. What is the name of the aero-engine developed by DRDO’s Gas Turbine Research Establishment?
[UPSC NDA & NA I 2025]
(A) Ganga
(B) Yamuna
(C) Krishna
(D) Kaveri
Answer: (D) Kaveri
Explanation: Kaveri is an indigenous aero-engine development programme of the Gas Turbine Research Establishment, a DRDO laboratory in Bengaluru. The initiative aims to advance domestic gas-turbine expertise for aviation and other technological applications.
Q65. Which military operation led to Goa’s liberation from Portuguese rule?
[PSSSB Labour Inspector 2025, 9 Mar]
(A) Operation Meghdoot
(B) Operation Blue Star
(C) Operation Vijay
(D) Operation Trident
Answer: (C) Operation Vijay
Explanation: Operation Vijay in December 1961 ended Portuguese colonial control over Goa, Daman and Diu. Indian armed services participated in the military action, which led to the territories’ integration into India. The name also appears in other military contexts.
Q64. Regarding RudraM-II missile:
1. It is an air-to-air missile.
2. It was tested in Rajasthan in May 2024.
Which statements are correct?
[UPPSC PCS Prelims 2024]
(A) Neither 1 nor 2
(B) 1 only
(C) 2 only
(D) Both 1 and 2
Answer: (A) Neither 1 nor 2
Explanation: RudraM-II is an indigenous air-to-surface missile, not an air-to-air weapon. Its May 2024 flight test was conducted off the Odisha coast from a Su-30MKI aircraft, rather than in Rajasthan. Both statements are incorrect.
Q63. Who became the first woman Director General of the Central Industrial Security Force in December 2023?
[SSC MTS 2024, 11 Nov Shift 2]
(A) Archana Ramasundaram
(B) Vinita Mehra
(C) Nina Singh
(D) Rashmi Shukla
Answer: (C) Nina Singh
Explanation: Nina Singh became the first woman Director General of the CISF. The force protects airports, major industrial establishments and selected critical infrastructure. Her appointment was a significant development in leadership representation across India’s security services.
Q62. Which one of these military exercises is NOT conducted between India and the United States?
[UPSC NDA & NA II 2024]
(A) Yudh Abhyas
(B) Vajra Prahar
(C) Malabar
(D) Varuna
Answer: (D) Varuna
Explanation: Varuna is a bilateral naval exercise between India and France. Yudh Abhyas is an India–US Army exercise; Vajra Prahar involves special forces; and Malabar includes India and the US among its participating naval forces.
Q61. Consider the following aircraft:
1. Rafale
2. MiG-29
3. Tejas Mk-1.
How many of the above are considered fifth-generation fighter aircraft?
[UPSC CSE Prelims 2024]
(A) Only one
(B) Only two
(C) All three
(D) None
Answer: (D) None
Explanation: Rafale, MiG-29 and Tejas Mk-1 are generally classified as fourth-generation or 4.5-generation fighter platforms. Fifth-generation fighters combine advanced stealth characteristics, sensor fusion and other capabilities. None of the three aircraft listed is a fifth-generation fighter.
