Science and Technology MCQ on Defence

 1.Cryogeneic engines find applications in

A) Rocket technology

B) Frost-free refrigerators

C)submarine propulsion
D) Researchers in super conductivity

2.GSAT-7 the first Navy user satellite was launched on

A) August 2013

B) August 2021

C) August 2014
D) August 2022
 

3.CARTOSAT 1 &2, RISAT 1&3 and SARAL are
A) student satellites

B) navigation satellites

C) earth observation satellites
D) communication satellites

MCQ on Science and Technology -Defence

4. For the measurement/estimation of which of the following are satellite images/remote sensing data used?

1. Chlorophyll content in the vegetation of a specific location

2. Greenhouse gas emissions from rice paddies of a specific location

3. Land surface temperatures of a specific location

Select the correct answer using the code given below.

A) I only 

B) 2 and 3 only 

C) 3 only 

D) 1, 2 and 3

5. Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such as orbit when:

1. The orbit is geosynchronous.

2. The orbit is circular.

3. The orbit lies in the plane of the earth’s equator.

4. The orbit is at an altitude of 22,236 Km.

Select the correct answer using the codes given below:

A)1, 2, and 3 only.

B)1, 3 and 4 only.

C)2 and 4 only.

D)1, 2, 3, and 4.

6.In which of the following activities are Indian Remote Sensing (IRS) satellites used?

1. Assessment of crop productivity

2. Locating ground water resources

3. Mineral exploration

4. Telecommunications

5. Traffic studies

Select the correct answer using the code given below

A) Only 1, 2 and 3

B) Only 4 and 5

C) Only 1 and 2

D) All of the above

7. Which of the following polyherbal product has NOT been developed by the Defence Research and Development Organisation (DRDO)-

A)Nocdurna

B)Amtooth

C)Eczit

D)Lukoskin

8. Which of the following aircraft is the air-to-air refueller of the Indian Air Force?

A) C-17 Globemaster

B) Ilyushin-76

C) Ilyushin-78

D) C-130 J Hercules

 9. 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.

A) 1 only

B) 2 and 3 only

C) 1 and 3 only

D) 1 2 and 3

10. Indigenously developed Beyond Visual Range (BVR) air-to-air missile, Astra, was successfully test fired by the Indian Air Force off the coast of Odisha near the Integrated Test Range (ITR), Balasore. Consider the following statements:

1) Astra is India’s first beyond visual range air-to-air missile (BVRAAM) that is capable of engaging its target at ranges of 37 km or beyond. It has operational range of 60km.

2) It is an all-weather missile has been indigenously designed and developed by the Defence Research and Development Organization.

Which of the above statement(s) is/are correct?
A) Only 1

B) Only 2

C) Both of these

D) None of these

 Answers:

1. A) Rocket technology

2. A) August 2013

3. C) earth observation satellites

4. D) 1, 2 and 3

5. A)1, 2, and 3 only.

6. A) Only 1, 2 and 3

7. A)Nocdurna

8. C) Ilyushin-78

9. A) 1 only

10. C) Both of these

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