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Science and Technology GK Questions

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Q :  

INS Virat serves the Indian Navy. It is a– 

(A) Submarine

(B) Gunboat

(C) Aircraft carrier

(D) Freighter

Correct Answer : C
Explanation :

INS Virat is a Centaur class aircraft carrier currently in service with the Indian Navy. INS Virat is the flagship of the Indian Navy the oldest carrier in service. Virat is currently the second largest ship in the Indian Navy after the INS Jyoti Viraat was completed and commissioned in 1959 as the Royal Navy’s HMS Hermes and was transferred to India in 1987.


Q :  

Which one of the following is an ‘Air-to-Air’ Missile?

(A) Prithvi

(B) Agni

(C) Akash

(D) Astra

Correct Answer : D
Explanation :

Astra is an active radar homing Beyond Visual Range Air to Air Missile (BVRAAM) developed by the Defence Research and Development Organisation (DRDO) India.


Q :  

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

Correct Answer : D
Explanation :

An Admiral of the fleet is a military naval officer of the highest rank. In many nations, the rank is reserved for wartime of ceremonial appointments. It is usually a rank above admiral (which is now usually the highest rank in peace-time for officers in active service) and is often held by the most senior admiral of an entire naval sevice.


Q :  

What is the name of the Light Combat Aircraft developed by India indigenously? 

(A) Brahmos

(B) Chetak

(C) Astra

(D) Tejas

Correct Answer : D
Explanation :

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 Vajpayee.


Q :  

Which one of the following shipyards builds warships for Indian Navy? 

(A) Mazgaon Dock, Mumbai

(B) Cochin Shipyard

(C) Hindustan Shipyard, Vishakhapatnam

(D) Garden Reach Workshop, Kolkata

Correct Answer : D
Explanation :

Garden Reach Shipbuilders and Engineers Limited (GRSE) is one of India’s leading shipyards, located in Kolkata, West Bengal. It builds and repairs commercial and navals vessels. Founded in 1884 as a small privately owned company on the Eastern Bank of the Hughly river, it was renamed as Garden Reach Workshop in 1916. The company was nationalised by the Government of India in 1960.


Q :  

Which one of the following is a ‘Surface to Air Missile’? 

(A) Trishul

(B) K-15 Sagarika

(C) Brahmos

(D) Agni

Correct Answer : A
Explanation :

Trishul is the name of a short range surface to air missile developed by India as a part of the Integrated Guided Missile Development Programme. It has a range of 9 km and is fitted with a 5.5 kg warhead. Trishul flies in supersonic speed and has a low altitude sensitive radio altimeter and height lock loop control on board, to skim over the sea at a very low altitude and hit against sea skimming missiles coming towards our ships.


Q :  

Who is known as ‘the Father of Indian Missile Technology’? 

(A) Dr UR Rao

(B) Dr APJ Abdul Kalam

(C) Dr Chidambaram

(D) Dr Homi Bhabha

Correct Answer : B
Explanation :

Dr APJ Abdul Kalam is the undisputed father of India’s missile programme. He was breathed life into ballistic missiles like 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.

By the 90s, Kalam emerged as the Czar of Indian Science and technology and was awarded the Bharat Ratna and served as the 11th President of India 2002 to 2007.


Q :  

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

Correct Answer : C
Explanation :

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.


Q :  

MIRV stands for-

(A) Multi-directional Independently Reoriented Vehicle

(B) Multipurpose Integrally Targeted Revolutionary Vechicle

(C) Multiple Independently Targetable Reentry Vehicle

(D) Multidimensional Independent Re-entry Vehicle

Correct Answer : C
Explanation :

Multiple Independently Targetable Reentry Vehicle (MIRV) warhead is a collection of separate warheads. By contrast a unitary warhead is a single warhead on a single missile.


Q :  Nuclear explosive devices were tested in india at

(A) Pokhran

(B) Kanchipuram

(C) Sriharikota

(D) None of the above

Correct Answer : A
Explanation :
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 first underground nuclear weapon detonation.

It shot into the international limelight on 7th September 1974, when the then Indian Prime Minister Indira Gandhi verbally authorised scientists at the Bhabha Atomic Research Centre (BARC) at Trombay to detonate small and miniaturised nuclear device. Throughout its 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 the first operation, the Atomic Energy Commission of India and the Defence Research and Development Organisation (DRDO) carried out the joint operation, known as Pokhran-ll. The AEC India detonated its four devices as part of the underground nuclear testing on Pokhran Test Range.


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