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Defence Technology MCQ — 4 Practice Questions with Answers

Practice 4 Defence Technology multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.

4 Questions science_technology

Practice Questions

Q1. India's Military Quantum Mission Policy Framework released in January 2026 integrates how many pillars of quantum technology?

A Four Correct
B Three
C Five
D Six

Explanation

CDS General Anil Chauhan released the Military Quantum Mission Policy Framework integrating four pillars: Quantum Communication, Quantum Computing, Quantum Sensing and Metrology, and Quantum Materials and Devices. The framework aligns with the 2023 National Quantum Mission and focuses on jointness across Army, Navy and Air Force.

Q2. What is the value of the contract signed between the Ministry of Defence and HAL for 97 Tejas Mk1A fighter jets?

A Rs 45,000 crore
B Rs 55,000 crore
C Rs 62,370 crore Correct
D Rs 78,000 crore

Explanation

The Ministry of Defence signed a Rs 62,370 crore deal with HAL for 97 Tejas Mk1A aircraft comprising 68 fighter jets and 29 trainers. The jets feature over 64% indigenous content and deliveries are scheduled from 2027–28, taking total Tejas orders to 180 aircraft. This is one of the largest defence procurement contracts in India.

Q3. Which indigenous smartphone system replaced WhatsApp during Operation Sindoor, with 30,000 devices deployed according to the Army Chief?

A DRDO SecurePhone with SafeTalk app
B SHAKTI phone with CipherChat app
C SAMBHAV 5G phone with M-Sigma app Correct
D ARJUN phone with BharatChat app

Explanation

Army Chief revealed that SAMBHAV 5G smartphones equipped with the M-Sigma application replaced WhatsApp during Operation Sindoor. A total of 30,000 devices were deployed, demonstrating India's push for indigenous secure communication technology in military operations.

Q4. After how many years of service was the MiG-21 fighter jet officially retired by the Indian Air Force in September 2025?

A 45 years
B 52 years
C 57 years
D 62 years Correct

Explanation

The Indian Air Force retired the MiG-21 after 62 years of service at a ceremony in Chandigarh. The Air Chief Marshal flew the farewell sortie. The MiG-21 was inducted in 1963 and was once the backbone of the IAF. The vacated squadrons will now be equipped with domestically built Tejas fighters.

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Frequently Asked Questions

How many Defence Technology MCQ questions are available?
There are 4 Defence Technology practice MCQs available on Aspirant Academy, with detailed answers and explanations for each question.
Are answers and explanations provided for Defence Technology MCQs?
Yes, every Defence Technology question comes with the correct answer and a detailed explanation to help you understand the underlying concept.
How is Defence Technology relevant to the RAS/RPSC exam?
Defence Technology falls under the science_technology section of the RAS/RPSC syllabus. It is a frequently tested area and regular practice with these MCQs will strengthen your preparation.
Can I practice Defence Technology questions in Hindi?
Yes, Aspirant Academy offers bilingual support. You can practice Defence Technology MCQs in both English and Hindi, including questions, options, and explanations.

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