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Science and Technology Defence Part-1 (in Hindi)
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In this lesson discuss the Science and Technology defence by MCQ's brief explanation.

Vishal Garg
Mechanical Engineer | Unacademy Plus Educator | Railway Category Expert | Follow me to learn Reasoning |

Unacademy user
Jatin sir, please don't tease students, pls do the DNA regularly or discontinued it permanently, after launching of PLUS courses, the revolution of FREE education is sabotage, and also you have your career ahead, please for once and all, clear your position, we will be more happy after your clear stand, thanks KOI JAZBATTHI NAHI HOGA
Jatin Verma
2 years ago
Hey Rahul, DNA will be regular after Prelims. 100%
Rahul Anand
2 years ago
Thanks for reply, jatin sir Best of luck for pre.
hi Sir can I get question to translate in Hindi?
  1. Vishal Carn B.Tech (Mech Verified & Star Educator Railway Category Expert unacademy

  2. Science & Technoloau Defense Space

  3. Science & Technology for Railway and SSC By Vishal Garg (Verified Educator)

  4. Target Audience Railway aspirants SSC CCL aspirants UPSC aspirants UPPSC aspirants

  5. Which one of the following is an 'Air-to-Air' Missile? (a) Prithvi (c) Akaslh (b) Agni (d) Astra Air Expl:- Astra is an active radar homing Beyond Visual Range to Air Missile (BVRAAM) developed by the Defence Research rganisa

  6. The Chief of the Indian Navy has the rank of- (a) General of Indian Navy (b) Chief of Indian Navy (c) Naval Chief (d) Admiral XplAn Admiral of the fieet is a miltary naval officer of the highest rank. In many nations, the rank is reserved for wartime f ceremonial appointments. It is usually a rank above admirai which is now usually the highest rank in peace-time for officers n active service) and is often held by the most senior admiral of

  7. Nuclear explosive devices were tested in India at (a) Sriharikota (c) Pokharan (b) Bangalore (d) Kanchipuram Expl:Pokhran is a city and a municipality located in Jaisalmer district in the Indian State of Rajasthan. It is a remote location in the Thar desert region and served as the test site for India's firs underground nuclear weapon detonation

  8. li shot into the international limelight on 7th September 197 when the then Indian Prime Minister Indira Gandhi verbally authorised scientists at the Bhabha Atomic Research Centre (BARC) at Trombay to detonate sma and miniaturisec nuclear device. Throughout ts development, the device was formally called the Peaceful Nuclear Explosive (PNE) by Indian Government, but it was usually referred to as the Operation Smiling Buddha'. On 11th May of 1998, 24th year after th first operation, the Atomic Energy Commission of India arno the Defence Research and Development Organisation (DRDO carried out the joint operation, known as Pokhran-ll. The AE ndia detonated its four devices as part of the underground nuclear testing on Pokhran Test Range

  9. Which one of the following correctly describes AGNI? (a) A fighter plane (b) A versatile tank (c) A long-range missile (d) A long-range gun Expl:-The Agni missile is a family of medium to intercontinental range ballistic missiles developed by India, named after one of the five elements of nature. The first missile of the series, Agni-I was developed under the Integrated Guided Missile Development Programme and tested 1991

  10. Who is known as 'the Father of Indian Missile Technology'? (a) Dr UR Rao (c) Dr Chidambaram (d) Dr Homi Bhabha (b) Dr APJ Abdul Kalam Expl- Dr APJ Abdul Kalam is the undisputed father of India's missile programme. He was breathed life into ballistic missiles ike the Agni and Prithvi. It is too exhausting to track Dr Adbul Kalam's achievements to date. In the 60s and 70s he was a trail blazer in the space department. In the 80s, he transformed the moribund Defence Research and Development Laboratory in Hyderabad into a highly motivated team.

  11. What is the name of the Light Combat Aircraft developed by India indigenously? (a) Brahmos (c) Astra (b) Chetak (d) Tejas Expl-The HAL Tejas is a lightweight multirole fighter developed by India. It is a tailless, compound delta wing design powered by a single engine. It came from the Light Combat Aircraft (LCA) Programme, which began in the 1980s to replace India's against MiG-21 fighters. Later the LCA was officially named Tejas', meaning Radiance' by then Prime Minister Atal Bihari Vainayee

  12. Which of the following is the first missile which has been developed in India? (a) Akaslh (c) Agni (b) Prithvi (d) Trishul Expl:-The Prithvi missile is a family of tactical surface to surface Short-Range Ballistic Missiles (SRBM) and is India's first indigenously developed ballistic missile. Development of the Prithvi began in 1983 and it was first test-fired on 25th February, 1988 from Sriharikota, SHAR Centre, Potti Sreeramulu Nellore district, Andhra Pradesh

  13. Which of the following is a stealth aircraft virtually undetectable even by radar ? (a) B-2 Spirit (b) B1-B Lancer (c) B-52 Stratofortrees (d) FA-18 Hornets Expl:- The North rop Grumman B-2 Spirit also known as th stealth technology designed for penetrating dense antiaircraf defenses. It is able to deploy both conventional and nuclea weapons.

  14. Indian and Russian scientists successfully test- fired a supersonic cruise missile named- (a) GSAT-1 (c) Brahmos (b) GSLV (d) INSAT-3B xp:-Brahmos is a stealth supersonic cruise missie that ca be launched from submarines, ships, aircraft or land. It is a join venture between Republic of India's Defence Research an Development Organisation (DRDO) and Russian Federation' NPO Mashinostroeyenia. The name Brahmos is a portmanteau formed from the names of two rivers, The Brahmaputra of lndia and the Moskva

  15. what is Barak'? (a) Abarrage on river Brahmaputra (b) A peak in Kargil (c) A ship- based missile systei (d) Residential Complex of an Army Unit Expl: Barak is an Indo-Israeli Surface to Surface Missie designed to defend against aircraft, anti-ship missiles and UAVS

  16. The intermediate range nuclear capable missile developed indigenously is named- (a) Agni (b) Prithvi (d) Trishul (c) Nag Expl:- The Agni missile is a family of medium to intercontinental range ballistic missiles developed by India, named after one of the five elements of nature. In the Agni series of ballistic missiles, Agni II, Agni III and Agni IV are Intermediate Range Ballistic Missiles (IRBMs). These are all nuclear weapons capable surface to surface ballistic missile