Defence Technology UPSC PYQ — Missiles, UAVs & Defence Systems

Consider the following statements : 1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight. 2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile. Which of the statements given above is/are correct?

1. A 1 only
2. B 2 only
3. C Both 1 and 2
4. D Neither 1 nor 2

What is "Terminal High Altitude Area Defense (THAAD)", sometimes seen in the news?

1. A An Israeli radar system
2. B India's indigenous anti-missile programme
3. C An American anti-missile system
4. D A defence collaboration between Japan and South Korea

With reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid propellant only. 3. It can deliver one-tonne nuclear warheads about 7500 km away. Select the correct answer using the code given below.

1. A 1 only
2. B 2 and 3 only
3. C 1 and 3 only
4. D 1, 2 and 3

In the context of Indian defence, consider the following statements : 1. The Shourya missile flies with a speed of more than 8 Mach. 2. The range of Shourya missile is more than 1600 km. Which of the statements given above is/are correct ?

1. A 1 only
2. B 2 only
3. C Both 1 and 2
4. D Neither 1 nor 2

From which one of the following did India buy the Barak anti-missile defence systems?

1. A Israel
2. B France
3. C Russia
4. D USA

Consider the following statements: 1. In November 2006, DRDO successfully conducted the interception test using Prithvi-II missile. 2. Prithvi-II is a surface-to-surface missile and can be deployed to guard the metros against air attack. Which of the statements given above is/are correct?

1. A 1 only
2. B 2 only
3. C Both 1 and 2
4. D Neither 1 nor 2

The range of Agni-II missile is around

1. A 500 km
2. B 2000 km
3. C 3500 km
4. D 5000 km

Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking the migration of animals In how many of the above activities can the radars be used?

1. A Only one
2. B Only two
3. C All three
4. D None

Consider the following aircraft : 1. Rafael 2. MiG-29 3. Tejas MK-1 How many of the above are considered fifth generation fighter aircraft ?

1. A Only one
2. B Only two
3. C All three
4. D None

Which one of the following statements best describes the ‘Polar Code’?

1. A It is the international code of safety for ships operating in polar waters.
2. B It is the agreement of the countries around the North Pole regarding the demarcation of their territories in the polar region.
3. C It is a set of norms to be followed by the countries whose scientists undertake research studies in the North Pole and South Pole.
4. D It is a trade and security agreement of the member countries of the Arctic Council.

Which one of the following is the best description of 'INS Astradharini', that was in the news recently?

1. A Amphibious warfare ship
2. B Nuclear-powered submarine
3. C Torpedo launch and recovery vessel
4. D Nuclear-powered aircraft carrier

Consider the following statements: 1. INS Sindhughosh is an aircraft carrier. 2. INS Viraat is a submarine. Which of the statements given above is/are correct?

1. A 1 only
2. B 2 only
3. C Both 1 and 2
4. D Neither 1 nor 2

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements : I. All types of UAVs can do vertical landing. II. All types of UAVs can do automated hovering. III. All types of UAVs can use battery only as a source of power supply. How many of the statements given above are correct?

1. A Only one
2. B Only two
3. C All the three
4. D None

Consider the following actions : 1. Detection of car crash/collision which results in the deployment of airbags almost instantaneously 2. Detection of accidental free fall of a laptop towards the ground which results in the immediate turning off of the hard drive 3. Detection of the tilt of the smart-phone which results in the rotation of display between portrait and landscape mode In how many of the above actions is the function of accelerometer required?

1. A Only one
2. B Only two
3. C All three
4. D None

Consider the following activities : 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones ?

1. A 1 and 2 only
2. B 2 and 3 only
3. C 1 and 3 only
4. D 1, 2 and 3

What is 'Greased Lightning-10 (GL-10)', recently in the news?

1. A Electric plane tested by NASA
2. B Solar-powered two-seater aircraft designed by Japan
3. C Space observatory launched by China
4. D Reusable rocket designed by ISRO

In the context of the Indian defence, what is ‘Dhruv’?

1. A Aircraft-carrying warship
2. B Missile-carrying submarine
3. C Advanced light helicopter
4. D Intercontinental ballistic missile

Which one of the following pairs is not correctly matched?

1. A Arjun : Indigenous produced Main Battle Tank (MBT)
2. B Phalcon : Cruise missile supplied by Russia to India
3. C Saras : Indigenously developed civilian passenger aircraft
4. D Operation Seabird : New Indian Naval Base at Karwar

Which one of the following is a modern tank?

1. A Bhim
2. B Akash
3. C Arjun
4. D Prithvi

Which of the following is/are correctly matched in terms of equivalent rank in the three services of Indian Defence forces? Army — Airforce — Navy 1. Brigadier — Air Commodore — Commander 2. Major General — Air Vice Marshal — Vice Admiral 3. Major — Squadron Leader — Lieutenant Commander 4. Lieutenant Colonel — Group Captain — Captain Select the correct answer using the code given below:

1. A 1 and 4
2. B 1 and 3
3. C 2, 3 and 4
4. D 3 only