Defence MCQ Quiz - Objective Question with Answer for Defence - Download Free PDF

Last updated on Jul 2, 2025

Latest Defence MCQ Objective Questions

Defence Question 1:

How many operational commands does the Indian Air Force have in total?

  1. 3
  2. 4
  3. 5
  4. 6

Answer (Detailed Solution Below)

Option 3 : 5

Defence Question 1 Detailed Solution

The correct answer is 5.

Key Points 

  • Total Commands: The Indian Air Force (IAF) has a total of 7 commands, consisting of 5 operational commands and 2 functional commands.
  • Operational Commands: These commands are directly involved in military operations and include air defense, air combat, and ground support.
  • Functional Commands: These commands focus on specific functions such as training, maintenance, and strategic planning.
  • Important Points:
    • Operational commands are tasked with carrying out real-time military operations.
    • Functional commands ensure efficient support for operational forces through specialized roles.
    • These commands are spread across various regions and functions to ensure readiness and effectiveness of the IAF.

Defence Question 2:

What is the primary role of the army?

  1. To conduct scientific research
  2. To maintain law and order
  3. To defend the country against external threats
  4. To promote trade and commerce

Answer (Detailed Solution Below)

Option 3 : To defend the country against external threats

Defence Question 2 Detailed Solution

Correct Answer: (3) To defend the country against external threatsKey Points 

  • Defense: The primary role of the army is to defend the country against external threats, such as enemy attacks or invasions.
  • National Security: The army ensures the safety and sovereignty of the nation by protecting its borders.
  • Military Operations: The army is involved in combat operations and strategic defense to deter or neutralize threats from foreign adversaries.
  • Support During Emergencies: In addition to defense, the army may be called upon for disaster relief and emergency assistance within the country.
  • Peacekeeping: The army may also participate in peacekeeping missions under international agreements, maintaining peace in conflict zones around the world.

Defence Question 3:

Which of the following Indian Army Command headquarters is located in Jaipur?

  1. Western Command
  2. Southern Command
  3. South Western Command
  4. Northern Command

Answer (Detailed Solution Below)

Option 3 : South Western Command

Defence Question 3 Detailed Solution

Option 3 is correct, i.e. South Western Command​.

  • Headquarter of seven Indian Army Commands:
Command Headquarter
Northern Command Udhampur
Western Command Chandigarh
South Western Command Jaipur
Southern Command Pune
Army Training Command Shimla
Central Command Lucknow
Eastern Command Kolkata 
  • Know about Indian Army:-
    • It is the 2nd largest force in the world after China. 
    • The "Army Day" is celebrated on 15th January every year.
    • It is headquartered in New Delhi.
    • The motto of the Indian Army is “Service Before Self”.
    • The first Chief of the Army Staff was Rajendrasinjhi Jadeja..
  • Some Important Defence Training Institute of Indian Army:
    • National Defence Academy (NDA), Khadakwasla, Pune.
    • National Defence College (NDC), New Delhi.
    • College of Defence Management (CDM), Secunderabad.
    • Indian Military Academy (IMA), Dehradun
    • Armed Forces Medical College (AFMC), Pune.
    • School of Artillery, Deodali.
    • College of  Military Engineering (CME), Pune
    • Infantry Schools, Mhow and Belgaum.

Defence Question 4:

How many operational commands are there in the Indian Army?

  1. 3
  2. 5
  3. 7
  4. 9

Answer (Detailed Solution Below)

Option 3 : 7

Defence Question 4 Detailed Solution

The correct answer is 7.

Key Points

  • Number of Operational Commands: The Indian Army has a total of 7 operational commands.
  • Geographical Division: These commands are divided based on geographical regions across India to address different operational requirements.
  • Leadership: Each command is led by a Lieutenant General.
  • List of Commands:
    • Northern Command: Headquartered in Udhampur, Jammu & Kashmir.
    • Western Command: Headquartered in Chandimandir, Haryana.
    • Southern Command: Headquartered in Pune, Maharashtra.
    • Eastern Command: Headquartered in Kolkata, West Bengal.
    • Central Command: Headquartered in Lucknow, Uttar Pradesh.
    • South-Western Command: Headquartered in Jaipur, Rajasthan.
    • Army Training Command (ARTRAC): Headquartered in Shimla, Himachal Pradesh.
  • These commands help in the effective management and deployment of the Indian Army's forces across different regions.

Defence Question 5:

Which of the following forces primarily guards India-China borders?

  1. Sashastra Seema Bal
  2. Central Reserve Police Force
  3. Indo-Tibetan Border Police
  4. Border Security Force
  5. None of the above

Answer (Detailed Solution Below)

Option 3 : Indo-Tibetan Border Police

Defence Question 5 Detailed Solution

The correct answer is Indo-Tibetan Border Police.

Key Points 

  • India shares its borders with seven different countries, Pakistan, Afghanistan, China, Nepal, Bhutan, Bangladesh & Myanmar.
  • These six international borders are guarded by different paramilitary forces.
  • The Central Armed Police Forces are more commonly known as the paramilitary forces and come under the Ministry of Home Affairs.

Important Points

  • Guarding the International Borders with Six Countries:
International Border Guarded by
Indo-Pakistan Border Border Security Force (BSF)
Indo-Bangladesh Border Border Security Force (BSF)
Indo-China Border Indo-Tibetan Border Police (ITBP)
Indo-Nepal Border Sashastra Seema Bal (SSB)
Indo-Bhutan Border Sashastra Seema Bal (SSB)
Indo-Myanmar Border Assam Rifles (AR)

Top Defence MCQ Objective Questions

What was the code name for Pokhran Nuclear Test 2?

  1. Laughing Buddha
  2. Smiling Buddha
  3. Operation Research
  4. Operation Shakti

Answer (Detailed Solution Below)

Option 4 : Operation Shakti

Defence Question 6 Detailed Solution

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The correct answer is Operation Shakti.

Key Points

  • The Pokhran nuclear test 2 was a series of five nuclear bomb test explosions conducted by India at the Indian Army.
  • It was conducted at the Pokhran test range in Rajasthan.
  • Pokhran Nuclear Test 2 was conducted in May 1998.
  • Pokhran 2 was code-named Operation Shakti.
  • It was the second instance of nuclear testing conducted by India.
  • The first test, code-named Smiling Buddha was conducted in May 1974.
  • The five nuclear bombs were designated Shakti-I through to Shakti-V.

Which Award was awarded to Wing Commander Abhinandan Varthaman?

  1. Veer Chakra
  2. Param Veer Chakra
  3. Kirti Chakra
  4. None of these

Answer (Detailed Solution Below)

Option 1 : Veer Chakra

Defence Question 7 Detailed Solution

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The Correct Answer is Veer Chakra.

  • Vir Chakra, India's third-highest wartime gallantry medal, was awarded to Wing Commander Abhinandan Varthaman, who shot down an enemy jet during an aerial war with Pakistan in February and was held captive for three days.
  • On the eve of Independence Day celebrations (August 2019), the defence ministry declared the military awards.

Additional Information

  • Wing Commander Abhinandan Varthaman is an Indian Air Force fighter pilot who was held hostage for 60 hours in Pakistan during the 2019 India-Pakistan standoff after his aircraft was shot down in an aerial dogfight.
  • On 28 February 2019, facing a legal effort to thwart it, Pakistan agreed to release him as a "gesture of goodwill" and on 1 March 2019, he returned to India at Wagah.
  • He was flying a MiG-21 as part of a sortie on 27 February 2019, which was scrambled by Pakistani aircraft to intercept an intrusion into Jammu and Kashmir.

Which is the first nuclear reactor made in India?

  1. KAMINI
  2. CIRUS
  3. Apsara
  4. Dhruva

Answer (Detailed Solution Below)

Option 3 : Apsara

Defence Question 8 Detailed Solution

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The correct answer is Apsara.

Key Points

  • Apsara is the first nuclear reactor made in India.
  • Apsara reactor was built in August 1956.
  • The Apsara reactor was named by the then Prime Minister of India, Jawaharlal Nehru.
  • It was a highly versatile swimming pool type of reactor.
  • It was created to conduct basic research in nuclear physics.
  • Apsara is Asia's oldest research reactor.
  • Apsara was shut down in 2009 for a revamp.
  • Apsara-Upgraded(Apsara-U) is the new version of Apasara reactor.

Additional Information

  • KAMINI is the world's only thorium-based experimental reactor.
    • KAMINI (Kalpakkam Mini reactor) research reactor is at Indira Gandhi Center for Atomic Research in Kalpakkam.
  • CIRUS (Canada India Reactor Utility Services) was the second nuclear reactor to be built in India.
    • It is located in Trombay near Mumbai.
    • CIRUS was supplied by Canada in 1954, but used heavy water (deuterium oxide) supplied by the United States.
  • The Dhruva reactor is the largest nuclear research reactor in India.

What is the code name of the first Nuclear test of India?

  1. Chagai 1­-1
  2. Smiling Buddha
  3. Project 596
  4. Shakti 1 – 1

Answer (Detailed Solution Below)

Option 2 : Smiling Buddha

Defence Question 9 Detailed Solution

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The Correct Answer is "Smiling Buddha".

Key Points

  • The day was May 18 in the year 1974. On this day, the Indian government conducted its first nuclear test in the deserts of PokhranRajasthan making it a peaceful nuclear explosion.
  • India’s first successful nuclear test was performed here in 1974.
  • Nuclear reactors present here are best in the world in terms of their safety level.
  • It has a 1,080 MW capacity.
  • It has six pressurized heavy water reactor (PHWR) units
  • 'Smiling Buddha' (MEA designation: Pokhran-I) was the assigned code name of India's first successful nuclear bomb test.
  • With Smiling Buddha, India became the world's sixth nuclear power after the United States, Soviet Union, Britain, France, and China to successfully test out a nuclear bomb.     

 

Additional Information

Chagai-I :

  • Chagai-I is the code name of five simultaneous underground nuclear tests conducted by Pakistan at 15:15 hrs PST on 28 May 1998.
  • The tests were performed at Ras Koh Hills in the Chagai District of Balochistan Province.

 

Project 596 :

  • Project 596, was the first nuclear weapons test conducted by the People's Republic of China, detonated on 16 October 1964, at the Lop Nur test site.
  • It was a uranium-235 implosion fission device made from weapons-grade uranium enriched in a gaseous diffusion plant in Lanzhou.

 

Shakti 1 – 1 :

  • On 27 March 2019, India tested an anti-satellite weapon during an operation code-named Mission Shakti.
  • The target of the test was a satellite present in a low Earth orbit, which was hit with a kinetic kill vehicle.

Which of the following missiles is air to air missile?

  1. Astra missile
  2. Maitri missile
  3. Nag
  4. Nirbhay

Answer (Detailed Solution Below)

Option 1 : Astra missile

Defence Question 10 Detailed Solution

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The correct answer is option 1 i.e Astra missile.

Key Points:

Astra missile:

  •  Its all-weather air-to-air missile developed by the Defence Research and Development Organisation (DRDO).
  •  It is the first air-to-air missile developed by India.
Name of the missile Type
Astra missile Air to Air missile
Maitri missile Short-range surface to air missile
Nag Anti-tank Guided missile
Nirbhay Subsonic cruise missile

Where is the headquarters of western command of Indian Navy?

  1. Kochi
  2. Vishakhapatnam
  3. Gandhi Nagar
  4. Mumbai

Answer (Detailed Solution Below)

Option 4 : Mumbai

Defence Question 11 Detailed Solution

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S.No.

Command

Headquarter

1

Eastern command

Vishakhapatnam

2

Southern command

Kochi

3

Western command

Mumbai

Who among the following is known as the 'Missile woman' of India?

  1. Ipsita Biswas
  2. Tessy Thomas
  3. Shashikala Sinha
  4. Ritu Karidhal

Answer (Detailed Solution Below)

Option 2 : Tessy Thomas

Defence Question 12 Detailed Solution

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The correct answer is Tessy Thomas.

Key Points

  • Tessy Thomas:
    • She is known as the ‘missile woman’ of India.
    • She is a scientist at the Defence Research and Development Organisation (DRDO).
    • She served as the Project Director for the Agni IV and V missiles (intercontinental ballistic missiles), making her the first woman to lead missile teams in India.
    • Her expertise in solid propellant systems was critical in the development of the re-entry system of the missile.
    • Awards: Sir Mokshagundam Visvesvaraya Award (2016), Outstanding Woman Achiever Award by Women in Science and Engineering (WISE)

Important Points

  • Missile man of India: "APJ Abdul Kalam"
    • He was an Indian aerospace scientist.
    • He also served as the 11th President of India from 2002 to 2007.
    • To honour his efforts, the United Nations Organisation (UNO) declared October 15 as World Students' Day.
    • Awards: Bharat Ratna (1997), Hoover Medal
    • Books: Wings of Fire, Ignited Minds, India 2020, Turning Points

Additional Information

Scientists Worked at
Ipsita Biswas Defence Research and Development Organisation (DRDO)
Shashikala Sinha Defence Research and Development Organisation (DRDO)
Ritu Karidhal Indian Space Research Organisation (ISRO)

What is the name of the first missile which is developed by DRDO?

  1. Agni
  2. Prithvi
  3. Prahaar
  4. Nag

Answer (Detailed Solution Below)

Option 2 : Prithvi

Defence Question 13 Detailed Solution

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The correct answer is Prithvi.Key Points

Prithvi missile 

  • Prithvi is a tactical surface-to-surface short-range ballistic missile (SRBM) developed by Defence Research and Development Organisation (DRDO) of India under the Integrated Guided Missile Development Program (IGMDP). It is deployed by India's Strategic Forces Command. 
  • Prithvi was the first missile to be developed under the program.
  • The Government of India launched the Integrated Guided Missile Development Program in 1983 to achieve self-sufficiency in the development and production of a wide range of ballistic missiles, surface-to-air missiles etc. 
  • DRDO attempted to build a surface-to-air missile under Project Devil.
  • Variants make use of either liquid or both liquid and solid fuels. Developed as a battlefield missile, it could carry a nuclear warhead in its role as a tactical nuclear weapon.

Additional Information 

  • DRDO is a military research and development wing of the Ministry of Defence, headquarters in New Delhi, India.
  • It was founded in 1958.
  • It has the vision to empower India with cutting-edge defence technologies and a mission to achieve self-reliance in critical defence technologies and systems.
  • DRDO has developed an antibody detection-based kit called DIPCOVAN.
  • Current Chief: Samir V Kamat

Who among the following was the architect of the Integrated Guided Missile Development Program (IGMDP) in India?

  1. Har Gobind Khorana
  2. Vikram Sarabhai
  3. A. P. J. Abdul Kalam
  4. Homi J. Bhabha

Answer (Detailed Solution Below)

Option 3 : A. P. J. Abdul Kalam

Defence Question 14 Detailed Solution

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Correct Answer A. P. J. Abdul Kalam.Key Points Integrated Guided Missile Development Programme

  • IGMDP was the brainchild of renowned scientist Dr APJ Abdul Kalam.
  • It was intended to attain self-sufficiency in the field of missile technology.
  • After keeping in mind the requirements of various types of missiles by the defense forces, the program recognized the need to develop five missile systems.
  • The IGMDP formally got the approval of the Indian government on 26th July 1983.
  • The missiles developed under IGMDP are:
    • Short-range surface-to-surface ballistic missile – Prithvi
    • Intermediate-range surface-to-surface ballistic missile – Agni
    • Short-range low-level surface-to-air missile – Trishul
    • Medium-range surface-to-air missile – Akash
    • Third-generation anti-tank missile – Nag

Additional Information Vikram Sarabhai:

  • Dr. Vikram Sarabhai was born on August 12, 1919, in Ahmadabad.
  • Dr. Vikram Sarabhai was considered the Father of the Indian space program.
  • He was a great institution builder and established a large number of institutes in diverse fields.
  • He was instrumental in establishing the Physical Research Laboratory (PRL) in Ahmedabad in November 1947.
  • He was also Chairman of the Atomic Energy Commission.
  • Dr. Sarabhai's dialogue with NASA in 1966, the Satelite Instructional Television Experiment (SITE) was launched during July 1975-July 1976.
  • Dr. Sarabhai started a project for the fabrication and launch of an Indian Satellite.
  • As a result, the first Indian satellite, Aryabhata, was put in orbit in 1975 from a Russian Cosmodrome.
  • He founded a Community Science Centre at Ahmedabad in 1966.
  • Today, the Centre is called the Vikram A Sarabhai Community Science Centre.

Homi J. Bhabha:

  • Homi J. Bhabha was an Indian nuclear physicist, founding director, and professor of physics at the Tata Institute of Fundamental Research. Colloquially known as the father of the Indian nuclear program.
  • Homi J. Bhabha was the Chairman of the Atomic Energy Commission that was set-up in August 1948.
  • Dr. Homi Bhabha established the Atomic Energy Establishment, Trombay (AEET) in January 1954.
  • In 1966, Atomic Energy Establishment, Trombay was renamed; Bhabha Atomic Research Centre (BARC).
  • Dr. Bhabha was one of the founding directors of the Tata Institute of Fundamental Research.
  • He was awarded the Admas Prize.

When did India test its first atomic bomb?

  1. 1981
  2. 1969
  3. 1976
  4. 1974

Answer (Detailed Solution Below)

Option 4 : 1974

Defence Question 15 Detailed Solution

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The correct answer is 1974.

Key Points

  • India test its first successful atomic bomb in 1974.
  • The code name of the operation was Smiling Buddha.
  • The Indian Army, under the supervision of several important Indian generals, detonated the bomb on the army facility Pokhran Test Range (PTR) in Rajasthan.
  • It was India's first successful nuclear bomb test.
  • It was also the first confirmed nuclear weapons test by a country not among the UN Security Council's five permanent members.
  • The experiment took place at the army base Pokhran Test Range (PTR) in Rajasthan.
  • It took place in May 1974, against the backdrop of the 1971 Indo-Pak war.
  • Raja Ramanna was the scientist who was involved in Pokharan's first nuclear explosion.
  • This test was described by the Indian Ministry of External Affairs (MEA) as a "peaceful nuclear explosion."

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