Science & Technology: Solved 94 Science & Technology Questions and answers section with explanation for various online exam preparation, various interviews, Logical Reasoning Category online test. Category Questions section with detailed description, explanation will help you to master the topic.

Science & Technology Questions

1. When was Mangalyaan, India's Mars Mission, launched?




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Correct Ans:2013
Explanation:
The Mars Orbiter Mission (MOM), also called Mangalyaan was launched on 5 November 2013 by the Indian Space Research Organisation (ISRO).


2. Which of these is not a launch vehicle of the Indian Space Research Organisation (ISRO)?




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Correct Ans:
Explanation:
The ASLV/PSLV/GSLV are all launch vehicles of India. The ASLV is called the Augmented Satellite Launch Vehicle which is capable of placing payloads in Lov/Near Space Orbits, whereas PSLV is called the Polar Satellite Launch Vehicle. The GSLV is the most important vehicle of ISRO, this booster is capable of placing two-ton communication satellites in Geo Transfer Orbits.


3. ISRO will launch India's second mission to moon called _______.




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Correct Ans:
Explanation:
Indian Space Research Organisation (ISRO) deployed a rover on the lunar surface in the Chandrayaan-2 mission. The Chandrayaan-2, India’s second mission to the Moon, is a totally indigenous mission comprising of an Orbiter, Lander and Rover.


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4. Who is the father of modern space science in India? 




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Correct Ans:Vikram Sarabhai
Explanation:
The Indian space programme was driven by the vision of Dr Vikram Sarabhai. In 1961, he was appointed member of the Atomic Energy Commission, when rocket science and satellites were areas of great interest in the international scientific community.


5. Which one is India’s first satellite exclusively used for educational purpose? 




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Correct Ans:EDUSAT
Explanation:
GSAT-3, also known as EDUSAT, was a communications satellite which was launched on 20 September 2004 by the Indian Space Research Organisation. EDUSAT is the first Indian satellite built exclusively to serve the educational sector.


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6. What is the name of the India’s Multi Wavelength Space Observatory?




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Correct Ans:Astrosat
Explanation:
Astrosat is India’s first dedicated multi-wavelength space observatory. It was launched on a PSLV-XL on 28 September 2015.


7. Which type of fuel is used by GSLV in its operations?




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Correct Ans:
Explanation:
Solid in first stage and liquid in second stage


8. Which is India's First Mission to the Moon?




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Correct Ans:
Explanation:
Chandrayaan-1 was India's first Mission to the Moon. It was launched by the Indian Space Research Organisation in October 2008, and operated until August 2009. The lunar orbiter is best known for helping to discover evidence of water molecules on the moon.


9. Who is the chairman of Satish Dhawan Space Centre?




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Correct Ans:
Explanation:
S. Pandian. Satish Dhawan Space Centre or Sriharikota Range is a rocket launch centre operated by Indian Space Research Organisation. It is located in Sriharikota in Andhra Pradesh. Sriharikota Range was renamed in 2002 after ISRO’s former chairman Satish Dhawan. SDSC’s current director is S. Pandian.


10. ISRO to launch RISAT-2B from Sriharikota on May 22, 2019. What type of Satellite is RISAT?




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Correct Ans:
Explanation:
Indian Space Research Organization ISRO is scheduled to launch the nation’s latest radar imaging satellite RISAT-2B on 22 May 2019. RISAT-2B is a modern radar imaging earth observation satellite.


11. Which was India’s first remote sensing satellite?




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Correct Ans:
Explanation:
The Indian Remote Sensing Satellite-1A (IRS-1A) was launched on March 17, 1988. IRS-1A is the first of a series of semi-operational/ operational remote sensing satellites developed by Indian Space.


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12. Who is the current chairman of ISRO?




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Correct Ans:
Explanation:
Scientist Sivan K is the Chairman of Indian Space Research Organisation (ISRO). He replaced A S Kiran Kumar.


13. How many stages are there in PSLV?




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Correct Ans:
Explanation:
PSLV is a four-stage rocket that uses a combination of liquid fueled and solid fueled rocket stages. PSLV - The Polar Satellite Launch Vehicle is an Indian expendable launch system developed and operated by the Indian Space Research Organisation (ISRO).


14. Name the standard for wireless communication




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Correct Ans:LTE
Explanation:


15. NASA's new space telescope is-




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Correct Ans:Wise
Explanation:


16. Which one of the following is a spacecraft ?




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Correct Ans:Cassini
Explanation:


17.

Which instrument is used to measure the power of electric circuit?





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Correct Ans:Wattmeter
Explanation:


18.

Name of the instrument to measure atomspheric pressure?





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Correct Ans:Barometer
Explanation:


19.

 Which instrument is used to measure depth of ocean?





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Correct Ans:Fathometer
Explanation:


20. Thirty metre telescope or TMT is the software for the world largest telescope in India. Where is this telescope located?




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Correct Ans:Hawaii
Explanation:





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