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SSC CGL Defence Technology

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This page covers SSC CGL Defence Technology with complete concept notes, 35 graded practice MCQs, key points and exam-specific tips. Free to study.

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Concept Notes

Defence Technology— Rules & Concept

Core ConceptRead this first — the foundation of the topic

Defence Technology refers to advanced scientific innovations and equipment used by military forces for national security. In SSC CGL, this topic covers modern weapons, defence systems, and strategic technologies used by Indian Armed Forces. Core Defence Technologies include missile systems, radar technology, aircraft, naval vessels, and cyber warfare tools. India has developed indigenous defence capabilities through organizations like DRDO (Defence Research and Development Organisation), HAL (Hindustan Aeronautics Limited), and ISRO for military satellites.

Missile Classification follows range-based categories: Short Range (up to 1000 km), Medium Range (1000-3000 km), Intermediate Range (3000-5500 km), and Intercontinental (above 5500 km). Indian missiles like Agni series, Prithvi, and BrahMos fall into different categories. Radar Technology uses radio waves to detect objects. It works on the principle of reflection - radio waves bounce back from targets. Modern radars can track multiple targets simultaneously and provide early warning systems.

Exam PatternsWhat examiners ask — read before attempting PYQs

shows SSC CGL frequently asks about Indian missile names, their ranges, and defence organizations. Questions often test knowledge of recent defence deals, indigenous projects, and military ranks across services. Memory Trick for Indian Missiles: 'All Pilots Bring Ammunition Safely' - Agni (long-range), Prithvi (surface-to-surface), BrahMos (cruise missile), Akash (surface-to-air), Shaurya (tactical).

Worked ExampleSolve this step-by-step before moving on
1
Step 1

Recall BrahMos stands for Brahmaputra (India) + Moscow (Russia)

2
Step 2

It's a joint venture between India and Russia

3
Step 3

Developed by BrahMos Aerospace Limited

4
Step 4

Answer - India and Russia Another Shortcut: Remember defence organization headquarters - DRDO (New Delhi), HAL (Bangalore), ISRO (Bangalore), OFB (Kolkata). Most questions ask location of these organizations. Stealth Technology makes aircraft invisible to radar by using special materials and design shapes. Indian examples include development of Advanced Medium Combat Aircraft (AMCA) with stealth capabilities. Cyber Warfare has become crucial in modern defence. India established Defence Cyber Agency in 2019 to protect military networks from cyber attacks.

Exam TrapsCommon mistakes students make — avoid these

Students confuse missile ranges and mix up indigenous vs imported defence equipment. Always remember that Agni series has longest range among Indian missiles, while BrahMos is fastest supersonic cruise missile.

Key Points to Remember

  • DRDO is India's premier defence research organization established in 1958
  • BrahMos is world's fastest supersonic cruise missile with 290 km range
  • Agni-5 is India's longest range missile capable of hitting 5000+ km targets
  • INS Vikrant is India's first indigenously built aircraft carrier
  • Tejas is India's indigenous Light Combat Aircraft developed by HAL
  • ASAT (Anti-Satellite) test made India 4th country with space warfare capability
  • Defence Cyber Agency was established in 2019 for cyber security
  • Make in India initiative aims for 70% indigenous defence production by 2025

Exam-Specific Tips

  • DRDO was established on 1st January 1958
  • BrahMos missile travels at speed of Mach 2.8 (nearly 3 times speed of sound)
  • India conducted ASAT test 'Mission Shakti' on 27th March 2019
  • Agni-5 missile has range of 5000-8000 kilometers
  • INS Vikrant was commissioned on 2nd September 2022
  • Tejas aircraft received Final Operational Clearance in 2019
  • Defence Cyber Agency headquarters is located in New Delhi
  • India's defence budget for 2023-24 is Rs 5.94 lakh crores
Practice MCQs

Defence Technology — Practice Questions

35graded MCQs · easy to hard · full solution & trap analysis · showing 20 of 35

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Practice 1easy

What is the primary purpose of the Ballistic Missile Defence (BMD) system developed by India?

Practice 2easy

Which of the following is NOT a component of India's Integrated Guided Missile Development Programme (IGMDP)?

Practice 3easy

Which of the following is a key characteristic of BrahMos cruise missile, a joint development between India and Russia?

Practice 4easy

What is the range of the Agni-V ballistic missile developed by India?

Practice 5easy

What is the primary purpose of the Ballistic Missile Defence (BMD) system being developed by India?

Practice 6easy

Which of the following is a hypersonic cruise missile developed by India?

Practice 7easy

Which defence research organization in India is primarily responsible for the development of missile systems?

Practice 8easy

Which Indian naval ship is the first aircraft carrier to be fully designed and built in India?

Practice 9easy

What is the operational range of the Brahmastra missile system being developed by India?

Practice 10easy

Which Indian defence organisation is primarily responsible for the development of missiles under the Integrated Guided Missile Development Programme (IGMDP)?

Practice 11easy

Which Indian defence research organization developed the Akash missile system?

Practice 12medium

The Akash missile system, developed by India's DRDO, is primarily designed for which defence application?

Practice 13medium

Which Indian missile is known as the 'Pride of India' and is a supersonic cruise missile developed jointly by India and Russia?

Practice 14medium

Which of the following is the primary propulsion system used in India's Arihant-class submarines?

Practice 15medium

The INS Vikrant, India's first indigenous aircraft carrier, was commissioned into the Indian Navy in which year?

Practice 16medium

The BrahMos missile, a joint venture between India and Russia, is classified as which type of weapon system?

Practice 17medium

The Akash air defence system, developed by India's DRDO, is a surface-to-air missile system designed to defend against aircraft at what maximum altitude?

Practice 18medium

Which radar system is indigenously developed by India for air defence and is used by the Indian Air Force?

Practice 19medium

Which radar system is used by the Indian Navy for long-range air surveillance and is based on the Phased Array Antenna technology?

Practice 20medium

Which of the following is the primary propulsion system used in India's Arihant-class nuclear submarines?

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60-Second Revision — Defence Technology

  • Remember: DRDO established 1958, headquarters New Delhi
  • Formula: BrahMos range 290 km, speed Mach 2.8
  • Trap: Don't confuse Agni-5 (longest range) with BrahMos (fastest speed)
  • Key Fact: Mission Shakti made India 4th space power in 2019
  • Remember: Tejas by HAL, INS Vikrant commissioned 2022
  • Important: Defence Cyber Agency formed 2019 for cyber security
  • Target: Make in India aims 70% indigenous defence production by 2025
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