MCQs BASED ON SCIENCE & TECHNOLOGY 2017

MCQs BASED ON SCIENCE & TECHNOLOGY 2017

(UPSC CIVIL SERVICES EXAMINATION & OTHER COMPETITIVE EXAMINATIONS)

Coverage Area: Defence Technologies, Space Technologies, Healthcare, Nobel Prizes & Recent Advancements.

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Q1. Consider the following Statements regarding Antimicrobial resistance (AMR)

  1. It is the ability of a microbe to resist the effects of medication previously used to treat them.
  2. All classes of microbes develop resistance and eventually become Multi drug resistant or superbugs

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q2.  Through which of following ways Anti Microbial resistance may develop?

  1. Natural Resistance
  2. Genetic Mutation
  3. One species acquiring resistance from another

Which of the following statements are correct:

a) 1 & 3 only

b) 2 only

c) All are correct

d) None

Q3. Consider the following Statements regarding Solar Impulse 2

  1. Solar Impulse 2 is a Swiss long-range single seater solar-powered aircraft
  2. Solar Impulse 2 has become the second aircraft to circle the globe using solar energy after Solar Impulse 1.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q4. Consider the following Statements regarding Potassium Bromate:

  1. Union Government has banned use of potassium bromate as a food
    additive as it is carcinogenic.
  2. It is added to aid baking process as it strengthens the bread dough

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q5. Consider the following Statements regarding Rip tides

  1. A rip tide is a strong sea current which pulls the water away from the shore, often catching unawares swimmers and people enjoying the sea in the shallows and can drag them into the sea.
  2. The phenomenon of ‘killer rip tides’ is being studied by ISRO “Ripex 2017” in collaboration
    with a private lifeguard agency appointed by the Goa government to safeguard its beaches.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q6. Consider the following Statements regarding Mini Grids

  1. It is an off-grid power system with a generation capacity of between 10 KW and 500 KW.
  2. The power generated from a mini grid can be seamlessly transferred to the national grid
  3. It power generated by mini grids cannot be stored.

Which of the following statements are correct:

a) 1 & 2 only

b) 2 only

c) All are correct

d) None

Q7. In 2016 an extra leap second was added at the end of the year, making it slightly longer than 2015. Consider the following Statements regarding LEAP SECOND:

  1. It is added as Earth’s rotation around its own axis is not regular and as a result Astronomical Time (UT1) gradually falls out of sync with Atomic time (UTC).
  2. As and when the difference between UTC and UT1 approaches 0.9 seconds, a “Leap Second” is added.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q8. Consider the following Statements regarding Molecular Machines:

  1. The Nobel Prize in Chemistry for 2016 has been awarded for developing molecular machines.
  2. Molecular machines are single-molecules that behave much like the machines people encounter every day.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q9. Consider the following Statements regarding Topology:

  1. Topology is a branch of math that studies what properties are preserved when objects are stretched, twisted, or deformed.
  2. Physics Nobel Prize 2016 was given for work in the field of topology.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q10. Consider the following Statements regarding Autophagy:

  1. Autophagy is essentially the body’s internal recycling program & a crucial process to prevent cancerous growths.
  2. 2016 Nobel Prize in Physiology or Medicine has been awarded for discoveries of mechanisms for Autophagy

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q11. Consider the following Statements regarding Magnetars:

  1. A magnetar is a type of neutron star, with an incredibly powerful magnetic
    field that powers the emission of highly energetic X-rays and gamma rays.
  2. The active life of a magnetar is very large.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q12. Consider the following Statements regarding Melamine:

  1. It is widely used in plastics, adhesives, countertops, dishware, whiteboards.
  2. Its addition increases the nitrogen content of the milk and therefore its apparent protein content.
  3. Food authorities worldwide have allowed addition of Melamine to food products to increase their protein content.

Which of the following statements are correct:

a) 1 & 2 only

b) 2 & 3 only

c) All are correct

d) None

 

Q13. Sunway TaihuLight – Chinese supercomputer built using domestic chip technology has been
declared the world’s fastest. Consider the following Statements regarding Supercomputers:

  1. China’s Tianhe-2 is in the 2nd position,
  2. Supercomputer Titan of the US Department of Energy is on 3rd Position.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q14. Consider the following Statements regarding LED:

  1. Like ordinary incandescent bulbs, they have a filament that will burn out but they don’t get especially hot.
  2. They are illuminated solely by the movement of electrons in a semiconductor material.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q15. _________________ refers to a massive accumulation of information, siphoned from
multiple sources and domains, which can then be analysed to make informed decisions.

a) Big Data

b) Huge Data

c) Mass Load

d) Internet of Things

Q16. Consider the following Statements regarding Hepatitis:

  1. It is a medical condition in which inflammation occurs in liver cells.
  2. There are three main types of viral hepatitis: type A, B & C.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q17. Consider the following Statements regarding Raman Effect:

  1. The Raman Effect is a change in the wavelength of light that occurs when a
    light beam is deflected by molecules.
  2. Chandrasekhara Venkata Raman was awarded the Nobel Prize in the Physics
    in the year 1930 for his contribution in this regard.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q18. Which of following is incorrectly matched?

Nuclear Power PlantSite (State)
aChutka Atomic ProjectMahrashtra
bMahi BanswaraRajasthan
cHaripurWest Bengal
dKaigaKarnataka

Q19. Kudankulam Nuclear Power Project in Tamilnadu is collaboration of India and

 

a) Russia

b) Japan

c) US

d) Kazaksthan

Q20. Consider the following Statements regarding 3 stage Nuclear Power Programme of India

  1. First Stage comprises PHWRs (Pressurised Heavy Water Reactors) which use natural uranium as fuel and heavy water as moderator and coolant.
  2. The second stage envisages setting up of  Advanced Heavy Water Reactor (AHWR) backed by reprocessing plants and plutonium-based fuel fabrication plants.
  3. The third stage uses Fast Breeder Reactors (FBRs)  is based on the thorium-uranium-233 cycle

Which of the following statements are correct:

a) 1 only

b) 2 & 3 only

c) All are correct

d) None

Q21. Which cell component of mother’s egg is replaced with another women’s in three parent Baby?

a) Mitochondria

b) Ribosome

c) Chromosome

d) Nucleus

Q22. Consider the following Statements regarding CRISPR/Cas9 technology:

  1. It allows scientists to selectively edit genome parts and replace them with new DNA stretches.
  2. It’s already been done with pigs, fish, mice, and mosquitoes, as well as human embryos.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q23. Consider the following Statements regarding Autologous & Allogenic Stem Cell Transplantation:

  1. Allogenic transplantation is one in which stem cells are removed from a person, stored, and
    later given back to that same person.
  2. Autologous stem cell transplantation where the donor and the recipient of the stem cells are
    different people.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q24. Consider the following Statements regarding Chikungunya?

  1. It is a mosquito-borne virus transmitted by female anopheles.
  2. There is no commercial chikungunya vaccine & treatment is focused on relieving the
    symptoms.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q25. Consider the following Statements regarding difference between inactivated
poliovirus vaccine (IPV) and oral poliovirus vaccine (OPV).

  1. IPV contains live weakened virus and OPV contains live killed virus.
  2. IPV will provide immunity from all three strains of polio but in OPV there is a risk of vaccine derived polio.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q26. ____________ is a technology in which food products are subjected to a
low dosage of radiation to treat them for germs and insects, increasing their
longevity and shelf life, without reducing their nutritional value.

a) Food Irradiation

b) Food Fortification

c) Pasteurization

d) Skimming

Q27. Consider the following Statements regarding Li-Fi or light-fidelity Technology:

  1. It is a wireless technology that makes use of visible light in place of radio waves to transmit data.
  2. Though shorter in range, they transmit more data, consume less power & are more secure than WiFi.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q28. The most common chemicals used for cloud seeding include:

  1. silver iodide
  2. potassium iodide
  3. dry ice

Which of the following statements are correct:

a) 1 only

b) 1 & 2 only

c) All are correct

d) None

Q29. Consider the following Statements regarding Graphene

  1. It is a carbon material that is one atom thick but possesses high conductivity.
  2. The potential applications of graphene include water filtration and purification, renewable energy, sensors, personalised healthcare and medicine

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q30. Consider the following Statements regarding Hyperloop Transportation System

  1. The hyperloop concept is a brainchild of Tesla founder Elon Musk.
  2. It is a transportation system where a pod-like vehicle is propelled through a near vacuum tube
    connecting cities at speeds matching that of an aircraft.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q31. Consider the following Statements regarding RFID (Radio Frequency Identification Tag)

  1. It is an ID system that uses small radio frequency identification devices for identification and tracking purposes.
  2. Mormugoa has become the first port in the country to implement logistics data tagging of containers.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q32. Consider the following Statements regarding Laser Interferometer Gravitational-wave Observatory (LIGO):

  1. The LIGO-India Project (third in world) will be piloted and overseen by Department of Atomic Energy (DAE) and Department of Science and Technology (DST).
  2. It is primarily concerned with study of gravitational waves to better understand origin of solar system, its components, concepts like black hole etc.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q33. Which of the following statemtents best describes the supermoon:

a) phenomenon that occurs when a full moon coincides with the moon being the closest to the sun on its orbit.

b) phenomenon that occurs when a full moon coincides with the moon being the closest to the Earth on its orbit.

c) phenomenon that occurs when a full moon coincides with the earth being the farthest from the sun on its orbit.

d) None

Q34. What is the name given to a planet planet that does not orbit the Sun and instead orbits a different star, stellar remnant, or brown dwarf.

 

a) Exoplanet

b) Asteroid

c) Interstellar

d) Supernova

Q35. Consider the following Statements regarding ASTROSAT:

  1. It is India’s first dedicated multi wavelength space observatory to observe the universe in the Visible, Ultraviolet, low and high energy X-ray regions of the electromagnetic spectrum.
  2. Astrosat aims at understanding the high energy processes in neutron stars and black holes, to estimate magnetic fields of neutron stars, to study star birth regions and high energy processes in star systems lying beyond the Milky Way galaxy.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q36. Consider the following Statements regarding NAVIC (Navigation with Indian Constellation)

  1. NAVIC also known as the Indian Regional Navigation Satellite System (IRNSS)
    consists of nine satellites in orbit.
  2. It is similar to the GPS (Global Positioning System) of the US, Glonass
    of Russia and Galileo of Europe as well as China’s Beidou.
  3. It will provide two types of services – Standard & Restricted.

Which of the following statements are correct:

a) 1 & 2 only

b) 2 & 3 only

c) All are correct

d) None

Q37. ________________ is the NASA mission to explore Jupiter’s mysterious Trojan asteroids.

a) Lucy

b) Juno

c) Cassini

d) Dawn

Q38. Consider the following Statements regarding GSLV Mark III?

  1. It is conceived and designed to make ISRO fully self reliant in launching heavier communication satellites which weigh 4500 to 5000 kg.
  2. Cryogenic engines are used in the upper stage of a rocket launch as they
    provide the maximum thrust to a launcher vehicle.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q39. Consider the following Statements regarding RESOURCESAT-2A

  1. It is a Remote Sensing satellite which is a follow on mission
    to RESOURCESAT-1 and RESOURCESAT-2.
  2. The data sent by RESOURCESAT-2A will be useful for agricultural applications
    like crop area and crop production estimation, drought monitoring, soil
    mapping, cropping system analysis and farm advisories generation.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q40. Consider the following Statements regarding GSAT-18:

  1. The main aim of GSAT-18 is to provide telecommunications services.
  2. It was launched by the ISRO from SHAR.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q41. Consider the following Statements regarding INSAT- 3DR

  1. It is an indigenously built advanced meteorological (weather observation) satellite.
  2. Besides providing services to India it will also provide distress alert services to several of India’s neighbouring countries.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q42. Which of following is incorrect:

aMeteoroidsmall particle from a comet or asteroid orbiting the Sun.
bMeteorshooting star – when a meteoroid enters the Earth’s atmosphere and vaporizes
cMeteoritemeteoroid that survives its passage through the Earth’s atmosphere and lands upon the Earth’s surface.
dAll are correct

Q43. _____________ is a region of the solar system beyond the planets, extending
from the orbit of Neptune.

 

a) Black Hole

b) Kepler’s Belt

c) Kuiper’s Belt

d) Exoplanet

Q44. Consider the following Statements regarding Scramjet Engine:

  1. Scramjet engine uses the oxygen from atmosphere to compress fuel, thus reducing the weight of rocket.
  2. The scramjet engine is used only during the atmospheric phase of the rocket’s flight.
  3. This is helpful for flying at supersonic speed – Mach 1 and above.
  4. These engines have no moving parts like rotating compressor and turbine in a jet engine.

Which of the following statements are correct:

a) 1 & 2 only

b) 1, 2 & 4only

c) All are correct

d) 1 & 3 only

Q45. Consider the following Statements regarding Indian Naval Ships & Find the incorrect statement:

aINS ViraatRecently inducted aircraft carrier
bINS KalvariNavy’s first indigenous Scorpene-class stealth
submarine.
cINS ArihantIndia’s first indigenously-constructed nuclear submarine.
dINS Chennaiindigenously designed Guided Missile Destroyer

Q46. Which of following missiles is joint project of India & Israel?

  1. Medium-Range Surface-to-Air Missile (MRSAM)
  2. Barak-8 long-range surface-to-air Missile (LRSAM)

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q47. Consider the following Statements regarding Airborne early warning and control system

  1. The AEW&C Netra system is developed to serve the Indian Air Force in
    detection and tracking, identification and classification of threats
  2. It is developed by DRDO in collaboration with CAB (Centre for Airborne
    Systems)

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q48. Consider the following Statements regarding Abhay, Humsa UG, AIDSS & NACS:

  1. They are Indigenously developed sonars that will boost India’s underwater surveillance
    capability.
  2. The systems have been designed and developed by NPOL, a Kochi based
    laboratory of DRDO.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q49. Consider the following Statements regarding Nirbhay Missile

  1. It is a long range surface-to-surface nuclear-capable subsonic ballastic missile developed indigenously by the DRDO.
  2. It has strike range of 700 km to 1000km.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

Q50. Consider the following Statements regarding Agni-5 missile:

  1. It is India’s longest range intercontinental nuclear capable missile with range of over 5,000 km.
  2. India describes the Agni – 5 missile system as a ‘weapon of destruction’.

Which of the following statements are correct:

a) 1 only

b) 2 only

c) All are correct

d) None

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