Daily GS Foundation MCQs - SthaapnaIAS Previous Year QuestionsScience and technology Previous Year QuestionSthaapana - May 2019Sthaapana - May 2019 - Week 3

IAS Previous Year Science & Tech Questions | Lecture 13 | Latest Technologies Part-2

Q.1) What is the difference between a CFL and an LED lamp ?

  1.  To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semiconductor material
  2.  The average life span of a CFL is much longer than that of an LED lamp
  3.  A CFL is less energy-efficient as compared to an LED lamp

Which of the statements given above is/are correct ? [2011 – I]

(a) 1 only

(b) 2 and 3 only

(c) 1 and 3 only

(d) 1, 2 and 3

Q.2) The terms ‘Wanna Cry, Petya and Eternal Blue’ sometimes mentioned in the news recently are related to (Pre 18 Set-D)

(a) Exo-planets

(b) Crypto-currency

(c) Cyber attacks

(d) Mini satellites

Q.3) With reference to ‘Bitcoins’, sometimes seen in the news, which of the following statements is/are correct?

  1. Bitcoins are tracked by the Central Banks of the countries.
  2. Anyone with a Bitcoin address can send and receive Bitcoins from anyone else with a Bitcoin address.
  3. Online payments can be sent without either side knowing the identity of the other.

Select the correct answer using the code given below.

(a) 1 and 2 only

(b) 2 and 3 only

(c) 3 only

(d) 1, 2 and 3

Q.4) Consider the following pairs of Terms sometimes seen in news: [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

Q.5) ‘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.

Q.6) 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

Q.7) The terms Event Horizon, Singularity, ‘String Theory and Standard Model are sometimes seen in the news in the context of [2017]

(a) Observation and understanding of the Universe

(b) Study of the solar and the lunar eclipses

(c) Placing satellites in the orbit of the Earth

(d) Origin and evolution of living organisms on the Earth

To do Yourself

Q.8) Consider the following statements: [2004]

  1. Adam Osborne introduced the first portable computer.
  2. Lan Wilmut created the first cloned sheep.

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2

 To do Yourself

Read about the following:

1.National Supercomputing Mission

2.Top 500 Supercomputer List: (Fastest supercomputer in the World and India)

3.Data Protection Law in India

4.Net Neutrality and India

 To do Yourself

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