UPSC Prelims: Defence, National Security & Strategic Platforms

With reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid propellant only. 3. It can deliver one-tonne nuclear warheads about 7500 km away.

Which one of the following is the best description of 'INS Astradharini', that was in the news recently?

Consider the following in respect of Indian Ocean Naval Symposium (IONS): 1. Inaugural IONS was held in India in 2015 under the chairmanship of the Indian Navy. 2. IONS is a voluntary initiative that seeks to increase maritime co-operation among navies of the littoral states of the Indian Ocean Region. Which of the above statements is/are correct?

What is "Terminal High Altitude Area Defense (THAAD)", sometimes seen in the news?

Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media?

Consider the following statements: 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight. 2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile. Which of the statements given above is/are correct?

Consider the following aircraft: 1. Rafael 2. MiG-29 3. Tejas MK-1. How many of the above are considered fifth generation fighter aircraft?

Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces? 1. Brigadier | Air Commodore 2. Major General | Air Vice Marshal 3. Major | Squadron Leader 4. Lieutenant Colonel | Group Captain Select the correct answer using the code given below:

What are the duties of the Chief of Defence Staff (CDS) as Head of the Department of Military Affairs? 1. Permanent Chairman of Chiefs of Staff Committee 2. Exercise military command over the three Service Chiefs 3. Principal Military Advisor to Defence Minister on all tri-service matters

Operations undertaken by the Army towards upliftment of the local population in remote areas to include addressing of their basic needs is called:

Which of the following statements about 'Exercise Mitra Shakti-2023' are correct? 1. This was a joint military exercise between India and Bangladesh. 2. It commenced in Aundh (Pune). 3. Joint response during counter-terrorism operations was a goal of this operation. 4. Indian Air Force was a part of this exercise.

What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?

With reference to India's defence, consider the following pairs: I. Dornier-228 : Maritime patrol aircraft II. IL-76 : Supersonic combat aircraft III. C-17 Globemaster III : Military transport aircraft. How many of the pairs given above are correctly matched?

Which of the following statements with regard to stealth technology is/are correct ? 1. Stealth objects have a very small radar cross-section and are coated with Radar Absorbing Material. 2. Stealth objects can be detected using specific frequencies. 3. Stealth objects are coated with metamaterials to increase the scattering of electromagnetic radiation. Select the answer using the code given below :

Which of the following statements with regard to drone swarms is/are correct ? 1. They use Terahertz band of frequency to communicate with the command centre. 2. Individual drones in the swarm can communicate with other drones in the swarm. 3. GPS Spoofing is a commonly used technique to counter drone swarm attack. Select the answer using the code given below :

Consider the following statements about Mission Sudarshan Chakra of India : 1. It aims to enhance India's air defence, ballistic missile defence and aerial offensive capabilities. 2. This Mission is being designed to enhance rapid, precise, and powerful defence responses, reinforcing India's strategic autonomy. 3. One of the aims of this Mission is to cover all public places of India by an expanded nationwide security shield by 2035. Which of the statements given above is/are correct ?

Which of the following items of defence hardware is/are manufactured in India ? 1. Su-30 MKI Fighter Jets 2. T-90 MK-III Tanks 3. Akula Class Submarine Select the answer using the code given below :

Which one of the following pairs is not correctly matched? (Indian Army Corps) (Headquarters)