UPSC CSE PRELIMS 2020 STUDY PLAN – DAY 40

prelims 2020

UPSC CSE PRELIMS 2020 STUDY PLAN – DAY 40

TOPICS TO BE COMPLETED TODAY

HEADING

day-40

 

UPSC PRELIMS 2020 STUDY PLAN  (Click Here For Full Timetable)

 

VALUE ADDED NOTES  (SAMPLE)

NUCLEAR ENERGY

day-40 mind map

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MOCK PRELIMS QUIZ ON TODAY’S TOPIC

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Science and Technology- Day 40 Quiz (Click Here)

 

QUIZ QUESTIONS 

1. With reference to ‘fly ash’ produced by the power plants using coal as fuel, which of the following statements is/are correct?(2015)

  1. Fly ash can be used in the production of bricks for building construction.
  2. Fly ash can be used as a replacement for some of the Portland cement contents of concrete.
  3. Fly ash is made up of silicon dioxide and calcium oxide only, and does not contain any toxic elements.

Select the correct answer using the code given below.

  • a. 1 and 2
  • b. 2 only
  • c. 1 and 3
  • d. 3 only

 

2. With reference to the use of nano-technology in health sector, which of the following statements is/are correct?(2015)

  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.

  • a. 1 only
  • b. 2 only
  • c. Both 1 and 2
  • d. Neither 1 nor 2

 

3. In  the  context of  the developments in Bioinformatics,  the  term  ‘transcriptome’ sometimes seen in the news, refers to(2016)
  • a. A range of enzymes used in genome editing
  • b. The full range of mrna molecules expressed by an organism
  • c. The description of the mechanism of gene expression
  • d. A mechanism of genetic mutations taking place in cells

 

4. Regarding ‘digilocker’, sometimes seen in the news,  which  of  the  following  statements is/are correct?(2016)

  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.

  • a. 1 only
  • b. 2 only
  • c. Both 1 and 2
  • d. Neither 1 nor 2

 

5. Consider the following statements : The Mangalyaan launched by ISRO(2016)

  1. Is also called the Mars Orbiter Mi
  2. Made India the second country t 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?

  • a. l only
  • b. 2 and 3 only
  • c. 1 and 3 only
  • d. 1, 2 and 3

 

6. With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future?(2017)

  1.  Genome sequencing can be used to identify genetic markers far disease resistance and drought tolerance in various crop plants.
  2.  This technique helps in reducing the time required to develop new varieties of crop plants.
  3.  It can be used to decipher the host-pathogen relationships in crops.

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

 

7. Consider the following pairs: (2017)Commonly used materials / Unwanted or controversial chemicals likely to be found in them

  1.  Lipstick                         —       Lead
  2.  Soft drinks                   —       Brominated vegetable oils
  3.  Chinese fast food        —       Monosodiumglutamate

Which of the pairs given above is/are correctly matched?

  • a. 1 only
  • b. 2 and 3 only
  • c. 1 and 3 only
  • d. 1, 2 and 3

 

8. Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays?(2017)

  1.  OLED displays can be fabricated on flexible plastic substrates.
  2.  Roll-up displays embedded in clothing can be made using OLEDs.
  3.  Transparent/displays are possible using OLEDs.

Select the correct answer using the code given below:

  • a. 1 and 3 only
  • b. 2 only
  • c. 1, 2 and 3
  • d. None of the above statements is correct

 

9. What is the application of Somatic Cell Nuclear Transfer Technology?(2017)

  • a. Production of biolarvicides
  • b. Manufacture of biodegradable plastics
  • c. Reproductive cloning of animals
  • d. Production of organisms free of diseases

 

10. What is the purpose of ‘evolved Laser Interferometer Space Antenna (eLISA)’ project?(2017)
  • a. To detect neutrinos
  • b. To detect gravitational waves
  • c. To detect the effectiveness of missile defence system
  • d. To study the effect of solar flares on our communication systems

 

11. What is “Terminal High Altitude Area Defence (THAAD)”, sometimes seen in the news? (2018)
  • a. An Israeli radar system
  • b. India’s indigenous anti – missile programme
  • c. An American anti -missile system
  • d. A defence collaboration between Japan and South Korea

 

12. In which of the following areas can GPS technology be used?  (2018)

  1. Mobile phone operations
  2. Banking operations
  3. Controlling the power grids

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

 

13. With reference to the Indian Regional Navigation SatelliteSystem (IRNSS), consider the following statements: (2018)

  1. IRNSS has three satellites in geostationary and four satellites in geosynchronous orbits.
  2. IRNSS covers entire India and about 5500 sq. km beyond its borders.
  3. India will have its own satellite navigation system with full global coverage by the middle of 2019.

Which of the statements given above is/are correct?

  • a. 1 only
  • b. 1 and 2 only
  • c. 2 and 3 only
  • d. None

 

14. With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements: (2018)

  1. GM mustard has the genes of a soil bacterium that give the plant the property of pest-resistance to a wide variety of pests.
  2. GM mustard has the genes that allow the plant crosspollination and hybridization.
  3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University.

Which of the statements given above is/are correct?

  • a. 1 and 3 only
  • b. 2 only
  • c. 2 and 3 only
  • d. 1, 2 and 3

 

15. Consider the following pairs: Terms sometimes see in news Context/Topic (2018)

  1. Belle II experiment          –       Artificial Intelligence
  2. Blockchain technology    –       Digital/Cryptocurrency
  3. CRISPR                              –      Cas9 Particle Physics

Which of the pairs given above is/are correctly matched?

  • a. 1 and 3 only
  • b. 2 only
  • c. 2 and 3 only
  • d. 1, 2 and 3

 

16. When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a message to your office accordingly In the context of emerging communication technologies, which one of the following terms best applies to the above scenario? (2018)
  • a. Border Gateway Protocol
  • b. Internet of Things
  • c. Internet Protocol
  • d. Virtual Private Network

 

17. 3D printing” has applications in which of the following? (2018)

  1. Preparation of confectionery items
  2. Manufacture of bionic ears
  3. Automotive industry
  4. Reconstructive surgeries
  5. Data processing technologies

Select the correct answer using the code given below:

  • a. 1, 3 and 4 only
  • b. 2, 3 and 5 only
  • c. 1 and 4 only
  • d. 1, 2, 3, 4 and 5

 

18. With reference to India’s satellite launch vehicles, consider the following statements: (2018)

  1. PSLVs launch the satellite useful for Earth resources monitoring whereas GSLVs are designed mainly to launch communication satellites.
  2. Satellites launched by PSLV appear to remain permanently fixed in the same position in the sky, as viewed from a particular location in Earth.
  3. GSLV Mk III is a fourstaged launch vehicle with the first and third stages using solid rocket motors; and the second and fourth stages using liquid rocket engines.

Which of the statements given above is/are correct?

  • a. 1 only
  • b. 2 and 3
  • c. 1 and 2
  • d. 3 only

 

19. Which of the following statements is/are correct regarding National Innovation Foundation-India (NIF)?(2015)

  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.

  • a. 1 only
  • b. 2 only
  • c. Both I and 2
  • d. Neither 1 nor 2

 

20. ‘Project Loon’, sometimes seen in the news, is related to(2016)

  • a. waste management technology
  • b. wireless communication technology
  • c. solar power production technology
  • d. water conservation technology

 

21. Recently, our scientists have discovered a new and  distinct  species  of  banana  plant  which attains  a  height  of  about  11  metres  and  has orange-coloured  fruit  pulp.  In  which  part  of India has it been discovered?(2016)
  • a. Andaman Islands
  • b. Anaimalai Forests
  • c. Maikala Hills
  • d. Tropical rain forests of northeast

 22.  What  is  ‘Greased Lightning-10 (GL-10)’, recently in the news?(2016)

  • a. Electric plane tested by NASA
  • b. Solar-powered two-seater aircraft designed by Japan
  • c. Space observatory launched by China
  • d. Reusable rocket designed by ISRO

 

23. With  reference  to  ‘Astrosat’,  the astronomical  observatory  launched  by  India, which   of   the   following   statements   is/are correct?(2016)

  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.

  • a. 1 only
  • b. 2 only
  • c. Both 1 and 2
  • d. Neither 1 nor 2

 

24. Recently,  which  of  the  following  Sta explored   the   possibility  of construc artificial inland port to be connected to sea by a long navigational channel?
  • a. Andhra Pradesh
  • b. Chhattisgarh
  • c. Karnataka
  • d. Rajasthan

25. With  reference  to  ‘lifi’,  recently  in  the  news, which   of   the   following   statements   is/are correct?(2016)

  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.

  • a. 1 only
  • b. 2 only
  • c. Both 1 and 2
  • d. Neither 1 nor 2

 

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