Defence Technology Part-1

Total Questions: 49

11. Which of the following statements are true about ‘Nirbhay’ Missile, which was successfully flight-tested on 7th November, 2017? [U.P.P.S.C.(GIC) 2017]

It can deliver nuclear warheads to a strike range of 1000 km.
It is a land-attack cruise missile.
It is an effective counter to Pakistan's ‘Babur’ missile.
It is a supersonic missile.

Select the correct answer from the codes given below:

(a) Only 1 and 2
(b) Only 1, 2, and 3
(c) Only 2 ,3 and 4
(d) All 1, 2, 3, and 4

Correct Answer: (b) Only 1, 2, and 3

Solution:On 7th November, 2017 Defence Research and Development Organisation (DRDO) successfully test-fired its first indigenously designed and developed long-range subsonic cruise missile 'Nirbhay' from Integrated Test Range (ITR) at Chandipur (Odisha). It is a land-attack cruise missile which can deliver nuclear or conventional warheads of up to 300 kg to a strike range of 1000 km. Defence experts considers Nirbhay missile equivalent to Tomahawk of U.S.A. It is an effective counter to Pakistan's 'Babur' missile which is a medium-range (450-750 km) subsonic cruise missile.

12. Which one of the following statements is not correct about Astra missile? [U.P.P.C.S. (Mains) 2010]

(a) It is an air-to-air ballistic missile.
(b) It has been indigenously built by The DRDO.
(c) It was successfully test-fired on 20 May, 2011 from Chandipur.
(d) It has the capacity to destroy the enemy plane up to a distance of 90 km.

Correct Answer: (d) It has the capacity to destroy the enemy plane up to a distance of 90 km.

Solution:Astra is an active radar homing Beyond-Visual-Range Air-to-Air Missile (BVRAAM) developed by the DRDO. It has the capacity to destroy the enemy plane up to a distance of 80 km. Ballistic flight test of the missile was carried out from the integrated test range at Chandipur on 20 May, 2011.

13. India's first Beyond-Visual-Range (BVR) air-to-air missile indigenously designed & developed by Defence Research & Development Organization (DRDO) is: [R.A.S/R.T.S. (Pre) 2018]

(a) Prithvi
(b) Agni
(c) Astra
(d) Akash

Correct Answer: (c) Astra

Solution:Astra is an all-weather beyond visual range air-to-air missile (BVRAAM) developed by the Defence Research and Development Organization. It is the first air-to-air missile developed by India. Astra is designed to be capable of engaging targets of varying range and altitude allowing for engagement of both short-range targets at a distance of 20 km and long-range targets up to a distance of 80 km.

14. Missile 'Astra' is a — [U.P.P.S.C. (Pre) 2011]

(a) Land to land missile
(b) Land to air missile
(c) Air to air missile
(d) Water to land missile

Correct Answer: (c) Air to air missile

15. On 23rd August 2023, LCA (Light Combat Aircraft) Tejas successfully test fired ASTRA missile, this missile is: [Rajasthan P.C.S. (Pre) 2023]

(a) Beyond Visual Range Surface to Air Missile
(b) Beyond Visual Range Air to Air Missile
(c) Within Visual Range Air to Air Missile
(d) Within Visual Range Surface to Air Missile

Correct Answer: (b) Beyond Visual Range Air to Air Missile

Solution:Light Combat Aircraft (LCA) Tejas, Limited Series Production-7 (LSP-7) successfully test fired the ASTRA beyond visual range air-to-air missile off the coast of Goa on 23 August, 2023. The missile release was successfully carried out from the aircraft at an altitude of about 20,000 feet and all the objectives of the test were achieved with a perfect launch.

16. The name of successfully tested air-to-air missile at Balasore, in May 2003 is : [U.P. Lower Sub. (Pre) 2004]

(a) Astra
(b) Akash
(c) Nag
(d) Tejas

Correct Answer: (a) Astra

Solution:Astra is an active radar homing beyond-visual-range air-to-air missile developed by DRDO. The missile was first successfully tested on 9 May, 2003.

17. Which missile programme has been shelved by the DRDO? [Chhattisgarh P.C.S. (Pre) 2003]

(a) Nag
(b) Trishul
(c) Agni
(d) None of these

Correct Answer: (b) Trishul

Solution:Trishul, a supersonic missile programme, has been shelved by DRDO on 27 February, 2008 due to some technical flaws.

18. The short-range missile – TRISHUL, test fired from Chandipur is a: [Uttarakhand P.C.S. (Mains) 2002]

(a) Subsonic missile
(b) Supersonic missile
(c) Hypersonic missile
(d) None of these

Correct Answer: (b) Supersonic missile

Solution:Trishul, a supersonic missile programme, has been shelved by DRDO on 27 February, 2008 due to some technical flaws.

19. India’s short-range missile is — [U.P.P.C.S. (Pre) 1996]

(a) Agni
(b) Arjun
(c) Nag
(d) Prithvi

Correct Answer: (c) Nag

Solution:Nag missile has the lowest range in the given options. It’s land based version has a range of maximum 4 km. Prithvi-I missile has a minimum range of 150 km. Among the different versions of the Agni missiles, Agni-I has a minimum range of 700 km. Arjun is the third generation main battle tank developed by the DRDO.

20. The name 'Agni' is related with- [42nd B.P.S.C. (Pre) 1997]

(a) A machine to fight with fire
(b) A warfare tank
(c) An aeroplane
(d) The missile developed by India

Correct Answer: (d) The missile developed by India

Solution:In 1980's the Integrated Guided Missile Development Programme (IGMDP) was conceived by renowned scientist Dr. APJ Abdul Kalam and under this programme AGNI, an intermediate range surface-to-surface ballistic missile was developed.

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