Science & Technology PYQs

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1. Prelims 2017Q87Space Technology

   What is the purpose of 'evolved Laser Interferometer Space Antenna (eLISA)' project ?

   aTo detect neutrinosbTo detect gravitational wavescTo detect the effectiveness of missile defence systemdTo study the effect of solar flares on our communication systems
2. Prelims 2016Q5IT & Communication

   With reference to 'LiFi', recently in the news, which of the following statements is/are correct?

   1.It uses light as the medium for high-speed data transmission.

   2.It is a wireless technology and is several times faster than 'WiFi'.

   Select the correct answer using the code given below.

   a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
3. Prelims 2016Q31Biotechnology

   In the context of the developments in Bioinformatics, the term 'transcriptome', sometimes seen in the news, refers to

   aa range of enzymes used in genome editingbthe full range of mRNA molecules expressed by an organismcthe description of the mechanism of gene expressionda mechanism of genetic mutations taking place in cells
4. Prelims 2016Q34Health & Diseases

   With reference to pre-packaged items in India, it is mandatory to the manufacturer to put which of the following information on the main label, as per the Food Safety and Standards (Packaging and Labelling) Regulations, 2011?

   1.List of ingredients including additives

   2.Nutrition information

   3.Recommendations, if any, made by the medical profession about the possibility of any allergic reactions

   4.Vegetarian/non-vegetarian

   Select the correct answer using the code given below.

   a1, 2 and 3b2, 3 and 4c1, 2 and 4d1 and 4 only
5. Prelims 2016Q35IT & Communication

   'Project Loon', sometimes seen in the news, is related to

   awaste management technologybwireless communication technologycsolar power production technologydwater conservation technology
6. Prelims 2016Q46Defence & Nuclear Technology

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

   aAmphibious warfare shipbNuclear-powered submarinecTorpedo launch and recovery vesseldNuclear-powered aircraft carrier
7. Prelims 2016Q47Emerging Technologies

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

   aElectric plane tested by NASAbSolar-powered two-seater aircraft designed by JapancSpace observatory launched by ChinadReusable rocket designed by ISRO
8. Prelims 2016Q59Biology & Human Body

   Which of the following statements is/are correct?

   Viruses can infect

   1.bacteria

   2.fungi

   3.plants

   Select the correct answer using the code given below.

   a1 and 2 onlyb3 onlyc1 and 3 onlyd1, 2 and 3
9. Prelims 2016Q79Defence & Nuclear Technology

   India is an important member of the 'International Thermonuclear Experimental Reactor'. If this experiment succeeds, what is the immediate advantage for India?

   aIt can use thorium in place of uranium for power generationbIt can attain a global role in satellite navigationcIt can drastically improve the efficiency of its fission reactors in power generationdIt can build fusion reactors for power generation
10. Prelims 2016Q84IT & Communication

    Regarding 'DigiLocker', sometimes seen in the news, which of the following statements is/are correct?

    1.It is a digital locker system offered by the Government under Digital India Programme.

    2.It allows you to access your e-documents irrespective of your physical location.

    Select the correct answer using the code given below.

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
11. Prelims 2016Q87Space Technology

    With reference to 'Astrosat', the astronomical observatory launched by India, which of the following statements is/are correct?

    1.Other than USA and Russia, India is the only country to have launched a similar observatory into space.

    2.Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.

    Select the correct answer using the code given below.

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
12. Prelims 2016Q91Space Technology

    Consider the following statements :

    The Mangalyaan launched by ISRO

    1.is also called the Mars Orbiter Mission

    2.made India the second country to have a spacecraft orbit the Mars after USA

    3.made India the only country to be successful in making its spacecraft orbit the Mars in its very first attempt

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
13. Prelims 2016Q99Inventions & Scientists

    A recent movie titled The Man Who Knew Infinity is based on the biography of

    aS. RamanujanbS. ChandrasekharcS. N. BosedC. V. Raman
14. Prelims 2015Q10Inventions & Scientists

    Which of the following statements is/are correct regarding National Innovation Foundation–India (NIF)?

    1.NIF is an autonomous body of the Department of Science and Technology under the Central Government.

    2.NIF is an initiative to strengthen the highly advanced scientific research in India's premier scientific institutions in collaboration with highly advanced foreign scientific institutions.

    Select the correct answer using the code given below.

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
15. Prelims 2015Q17Health & Diseases

    Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?

    aSyria and JordanbGuinea, Sierra Leone and LiberiacPhilippines and Papua New GuineadJamaica, Haiti and Surinam
16. Prelims 2015Q23Emerging Technologies

    With reference to the use of nano-technology in health sector, which of the following statements is/are correct?

    1.Targeted drug delivery is made possible by nanotechnology.

    2.Nanotechnology can largely contribute to gene therapy.

    Select the correct answer using the code given below.

    a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
17. Prelims 2015Q30Physics

    In the context of modern scientific research, consider the following statements about ‘IceCube’, a particle detector located at South Pole, which was recently in the news :

    1.It is the world’s largest neutrino detector, encompassing a cubic kilometre of ice.

    2.It is a powerful telescope to search for dark matter.

    3.It is buried deep in the ice.

    Which of the statements given above is/are correct?

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
18. Prelims 2015Q32IT & Communication

    With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct?

    1.It is a contactless communication technology that uses electromagnetic radio fields.

    2.NFC is designed for use by devices which can be at a distance of even a metre from each other.

    3.NFC can use encryption when sending sensitive information.

    Select the correct answer using the code given below.

    a1 and 2 onlyb3 onlyc1 and 3 onlyd1, 2 and 3
19. Prelims 2015Q45Space Technology

    The term ‘Goldilocks Zone’ is often seen in the news in the context of

    athe limits of habitable zone above the surface of the Earthbregions inside the Earth where shale gas is availablecsearch for the Earth-like planets in outer spacedsearch for meteorites containing precious metals
20. Prelims 2015Q71Space Technology

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

    1.Assessment of crop productivity

    2.Locating groundwater resources

    3.Mineral exploration

    4.Telecommunications

    5.Traffic studies

    Select the correct answer using the code given below.

    a1, 2 and 3 onlyb4 and 5 onlyc1 and 2 onlyd1, 2, 3, 4 and 5