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WBCS 2019 — Science & Technology Questions with Answers

All 16 Science & Technology previous-year questions from WBCS 2019, each with the correct answer and a full explanation. Practise them as a free, timed mock test with instant scoring.

1. Q1.Defence

   Defence Research and Development Organization on April 15, 2019 successfully test fired Nirbhay. What is Nirbhay?

   • a)Pilotless aircraft
   • b)Radar
   • c)Missile launcher vessel
   • d)Sub-sonic cruise missile
2. Q2.Space

   Which is the first plant grown in the moon?

   • a)Cotton
   • b)Potatoes
   • c)Arabidopsis
   • d)Canola
3. Q3.Space

   Where is Vikram Sarabhai Space Centre?

   • a)Bengaluru
   • b)Sriharikota
   • c)Baleswar
   • d)Thiruvananthapuram
4. Q4.Nuclear

   Indira Gandhi Centre for Atomic Research is located in

   • a)Kolkata
   • b)Kalpakkam
   • c)Mumbai
   • d)Hyderabad
5. Q5.Biotechnology

   A genetically engineered form of brinjal, known as the Bt-brinjal, has been developed, the objective of this is

   • a)to improve its taste and nutritive qualities.
   • b)to make it pest-resistant.
   • c)to make it drought-resistant.
   • d)to make its shelf-life longer.
6. Q6.IT & Computers

   Data transmitted for a given amount of time is called ________.

   • a)Noise
   • b)Power
   • c)Frequency
   • d)Bandwidth
7. Q7.IT & Computers

   In TV transmission, picture signal is ________ modulated.

   • a)DSB-SC
   • b)VSB
   • c)SSB-SC
   • d)Pulse
8. Q8.Space

   India's navigational satellite system is known as

   • a)GPS
   • b)GLONASS
   • c)BeiDou
   • d)IRNSS
9. Q9.IT & Computers

   WAN hardware includes

   • a)Multiplexors and routers
   • b)EDF
   • c)Bridger and modems
   • d)Removable disc
10. Q10.IT & Computers

    Which one is the first search engine in internet?

    • a)Google
    • b)Archie
    • c)Altavista
    • d)WAIS
11. Q11.IT & Computers

    Which one programming language is exclusively used for artificial intelligence?

    • a)C
    • b)Java
    • c)J2EE
    • d)Prolog
12. Q12.IT & Computers

    A dual layer Blue-ray disc can store data upto

    • a)20 GB
    • b)30 GB
    • c)40 GB
    • d)50 GB
13. Q13.IT & Computers

    What is the wavelength of Super High Frequency (SHF) especially used in radar and satellite communication?

    • a)1 m – 10 m
    • b)1 cm – 10 cm
    • c)10 cm – 1 m
    • d)0.1 cm – 1 cm
14. Q14.IT & Computers

    The device used by Banks to automatically read those special numbers on the bottom of the cheques is

    • a)MICR
    • b)OMR
    • c)UPC
    • d)UDIC
15. Q15.Biotechnology

    The golden rice contains

    • a)Vitamin A
    • b)Vitamin C
    • c)Vitamin E
    • d)Vitamin D
16. Q16.Biotechnology

    The Bt cotton is a transgenic crop with gene transfer from

    • a)virus
    • b)bacteria
    • c)fungi
    • d)algae