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Missile, Explosive Materials, and Defense System [ Science Set 21]| UPPSC Prelims PYQ of Last 30 Years |Important Objective Question Answer, MCQ and QUIZ

1. Admiral Gorshkov

a) Russian Navy chief

b) Naval Aircraft carrier ship

c) Air Force Headquarters

d) Naval Organization


Answer. b) Naval Aircraft carrier ship;

Admiral Gorshkov: Admiral Gorshkov, originally a Soviet Navy aircraft carrier, was refurbished and inducted into the Indian Navy as INS Vikramaditya in 2013.



2. Supersonic Cruise Missile Brahmos is a joint venture of the following-

a) India and Russia

b) India and China

c) India and Israel

d) None of the above


Answer. a) India and Russia;

BrahMos Missile: The BrahMos is a supersonic cruise missile jointly developed by India and Russia. It's known for its speed, precision, and versatility.



3. Supersonic planes fly ( UPPSC PYQ)

a) With the speed of sound

b) With a speed less than the speed of sound

c) With a speed greater than the speed of sound

d) With the speed of light


Answer. c) With a speed greater than the speed of sound


4. Which of the following statements about Brahmos is not correct?

a) It is a supersonic cruise missile

b) It has been built in India in collaboration with Russia

c) It successfully tested fires from the Bay of Bengal on 22 March 2010

d) Its flight range is 400 km


Answer. d) Its flight range is 400 km


5. Which of the following statements is true about a Technology device called "NETRA"?

a) It is a device which permits a blind man to read

b) It is a device which allows the army to undertake the right reconnaissance

c) It is an unmanned aerial vehicle which can travel up to 300 meters high

d) None of the above


Answer. c) It is an unmanned aerial vehicle which can travel up to 300 meters high;

Netra Device: The Netra is an airborne early warning and control (AEW&C) system developed by India. It's designed for surveillance, tracking, and detection of aerial threats, enhancing situational awareness for the Indian Air Force.


6. Which one of the following is not an explosive

a) Trinitrotoluene

b) Trinitro glycerine

c) Cyclo tri methylene Trinitramine

d) Nitro chloroform


Answer. d) Nitro chloroform


7. Which one of the following statements is correct?

a) DDT is an antibacterial compound

b) TNT is an insecticide

c) RDX is an explosive

d) LSD is an antiviral compound


Answer. c) RDX is an explosive


8. Which one of the following is another name for RDX

a) Cyanohydrin

b) Dextran

c) Cyclohexane

d) Cyclonite


Answer. d) Cyclonite


9. Nitroglycerin is found to be an essential ingredient in which of the following explosives?

a) In cordite

b) In blasting gelatin

c) In dynamite

d) In amatol


Answer. d) In amatol


10. Which of the following is used in the production of explosives?

a) Glycerol

b) Methanol

c) Urea

d) Oxalic Acid


Answer. a) Glycerol


11. RDX was invented by

a) Alfred Nobel

b) Soddy

c) Bergillius

d) Henning


Answer. d) Henning


12. Which of the following statements is not true with regard to the F-18 Super Hornet?

a) It is a fighter plane, which is built by a U.S. Aerospace company.

b) It can be used during both night and day.

c) Worldwide eight countries are using it in the Air Force.

d) None of the above


Answer. c) Worldwide eight countries are using it in the Air Force.

The F/A-18 Super Hornet is a versatile, twin-engine, carrier-based fighter aircraft developed by Boeing's defense division. It's an advanced version of the original F/A-18 Hornet and serves as a multirole aircraft in the United States Navy and several other air forces worldwide.



13. What is SLINEX-II?

a) An atomic submarine

b) Joint Naval exercise conducted by India and Sri Lanka

c) A battleship indigenously built in India

d) A most modern Army Tank


Answer. b) Joint Naval exercise conducted by India and Sri Lanka


14. Operation PAWAN is related with

a) Establishing peace in Punjab

b) Creating more air services in India

c) Cleaning environmental pollution in Indian cities

d) Operating of IPKF in Jaffna of Sri Lanka


Answer. d) Operating of IPKF in Jaffna of Sri Lanka


15. The tail of a comet always points 

a) Away from the Sun

b) Towards the sun

c) Towards North-East

d) Towards South-East


Answer. a) Away from the Sun


16. Nano plug refers to

a) A small bullet

b) A small hearing aid

c) A small rocket launcher

d) None of the above


Answer. b) A small hearing aid


17. Nano Humming Bird

a) A new species has not yet been discovered "Humming Bird"

b) A Miniature electric car that can rotate 360 degrees

c) A pocket-sized driverless spy aircraft developed in the United States

d) A new type of bee


Answer. c) A pocket-sized driverless spy aircraft developed in the United States


18. Which one of the following is not an aircraft?

a) Jaguar

b) Dornier 228

c) Sarath ( BMP II)

d) MIG 27 M


Answer. c) Sarath ( BMP II)


19. Which of the following pairs is correctly matched?

a) Vikram Sarabhai Space-- Sriharikota

b) I. S. A. R Center - Thumba

c) S. H. A. R Center - Bangalore

d) Space Application Center - Ahmedabad


Answer. d) Space Application Center - Ahmedabad


20. The Indian Institute of Naturopathy and Compound Science is located at 

a) In Pune

b) In Lucknow

c) In Hyderabad

d) In Bangalore


Answer. d) In Bangalore


21. Match List I with List II and select the correct answer using the codes given below the lists

            List I                    List II

A. Hitech City                    1. Lucknow

B. Science City                   2. Thumba

C. Rocket Launch Center    3. Kolkata

D. Central Medicine Institute 4. Hyderabad Research

Codes:

        A    B    C    D

a)    1    2    3    4

b)    4    3    2    1

c)    2    3    4    1

d)    1    4    2    3


Answer. b)    4    3    2    1


22. Missile "Astra" is a

a) Land to Land missile

b) Land-to-air missile

c) Air to Air missile

d) Water to land missile


Answer. c) Air to Air missile


23. Which one of the following statements is incorrect?

a) INFACT-82 is Indian Naval Fast Attack Craft

b) A Virus cannot reduce environmental pollution

c) Typha is a computer virus

d) Brahmos is a supersonic cruise missile


Answer. b) A Virus cannot reduce environmental pollution


24. The effective range of the Agni-I missile test-fired in July 2004, is

a) Above 700 km but less than 2000 km

b) 300 km

c) 400 km

d) 2500 km


Answer. a) Above 700 km but less than 2000 km


25. Who among the following is named "Hansa-2"?

a) A satellite

b) A training vehicle

c) A submarine

d) Surface-to-surface missile


Answer. b) A training vehicle


26. Which of the following facts about the Agni-V missile is not correct?

a) It can be projected from anywhere

b) Its launch range is up to 5000 km

c) It will remain out of reach of enemy radars

d) it is not completely indigenous


Answer. d) it is not completely indigenous


27. Which of the following devices is used to cool the engine of motor vehicles?

a) Polygraph

b) Turbine

c) Radiator

d) Quadrant


Answer. c) Radiator 


28. Consider the following statements with respect to a jet engine and a rocket-

1. A jet engine uses the surrounding air for its oxygen supply and is unsuitable for motion in space.

2. A rocket carries its own supply of oxygen in the gas form and fuel.

Which of the statements given above is/are correct?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2


Answer. a) 1 only


29. Jet airplanes fly with ease in the lower stratosphere. What can be the specific interpretation of this?

1. The Lower stratosphere does not contain clouds and water vapor.

2. The lower stratosphere does not have long winds.

Who is /are correct in the above interpretation?

a) 1 only

b) 2 only

c) Both 1 and 2 

d) Neither 1 nor 2


Answer. c) Both 1 and 2 


30. On which principle, a Jet Engine works?

a) Conservation of linear momentum

b) Conservation of angular momentum

c) Conservation of energy

d) Conservation of mass


Answer. a) Conservation of linear momentum


31. Which is the following is Indis's surface-to-surface defense missile-

a) Nag

b) Trishul

c) Akash

d) Prithvi


Answer. d) Prithvi


32. Which of the following is correctly matched?

a) Trishul- Surface to Surface missile

b) Prithivi - Surface to air Missile

c) NAG - Anti-Tank Missile

d) Pinaka-light combat aircraft


Answer. c) NAG - Anti-Tank Missile;

Astra Missile:

Astra is an air-to-air missile designed for the Indian Air Force. It's a beyond-visual-range missile (BVR) used to engage and destroy enemy aircraft at varying ranges.

It's known for its high maneuverability and is capable of intercepting targets at supersonic speeds.

Agni Missile Series:

The Agni series consists of intermediate-range ballistic missiles developed for India's defense forces.

These missiles have different variants, including Agni-I, Agni-II, Agni-III, Agni-IV, and Agni-V, with varying ranges.

Agni-V, the most advanced in the series, is an intercontinental ballistic missile (ICBM) with a range of over 5,000 kilometers.

Prithvi Missile:

The Prithvi missile is a short-range ballistic missile designed for tactical purposes.

It comes in different variants, including Prithvi-I and Prithvi-II, with ranges up to 350 kilometers.

Prithvi missiles are capable of carrying both conventional and nuclear warheads.

NAG Missile:

The NAG (Nagin) is an anti-tank guided missile (ATGM) designed for use by the Indian Army.

It is known for its "fire-and-forget" capability, meaning that once fired, it can autonomously track and engage targets.

NAG is used against armored and fortified enemy positions.

Pinaka Rocket System:

Pinaka is a multi-barrel rocket launch system developed to provide artillery support to the Indian Army.

It can launch a variety of rockets with different warheads to engage targets at medium ranges.

Pinaka is known for its rapid firepower and versatility.



33. Which one of the following statements is not correct about the Astra missile?

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


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


34. Which of the following statements is not correct with respect to "Shaurya"?

a) It is a hypersonic missile

b) It is a surface-to-surface missile

c) It can hit up to 900 km

d) It was successfully tested on September 24, 2011


Answer. c) It can hit up to 900 km


35. Tejas developed with indigenous technology is 

a) A Submarine

b) A medium-range lethal missile

c) A light combat aircraft

d) An aircraft carrier


Answer. c) A light combat aircraft


36. Which of the following is a light warfare aircraft manufactured in the country of India?

a) Akash

b) Tejas

c) Vikrant

d) Arjun


Answer. d) Arjun


37.  In which of the following types of heat engine carburetors is used? ( UPPSC PYQ 2022)

a) Diesel Engine

b) Steam Engine

c) Petrol Engine

d) Both diesel and petrol engines


Answer. c) Petrol Engine


38. Measurement of Petrol engine's Flame capacity is 

a) Octane number

b) Cetane number

c) Both

d) None


Answer. a) Octane number


39. Measurement of Diesel engine's Flame capacity is 

a) Octane number

b) Cetane number

c) Both

d) None


Answer. b) Cetane number


40. 


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