DAILY MCQ DAY 81 SCIENCE & TECHNOLOGY

DAILY MCQ DAY 81 SCIENCE & TECHNOLOGY : For govt jobs preparation daily MCQ will be provided, most of the questions will be from the past question papers from UPSC, SSC, IBPS.

  1. Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics? [UPSC- 2021]
  • Low-density polyethylene
  • Polycarbonate
  • Polyethylene terephthalate
  • Polyvinyl Chloride

2. “Triclosan” considered harmful when exposed to high levels for a long time, is most likely present in which of the following? [UPSC- 2021]

  • Food preservatives
  • Fruit ripening substances
  • Reused plastic containers
  • Toiletries

3.  Which one of the following is a reason why astronomical distances are measured in light-years? [UPSC- 2021]

  • Distance among stellar bodies do not change
  • Gravity of stellar bodies does not change
  • Light always travels in straight line
  • Speed of light is always same

4. Bollgard I and Bollgard II technologies are mentioned in the context of [UPSC- 2021]

  • Clonal propagation of crop plants
  • Developing genetically modified crop plants
  • Production of plant growth substances
  • Production of biofertilizers

5. The word ‘Denisovan’ is sometimes mentioned in media in reference to [UPSC- 2019]

  • Fossil of a kind of dinosaurs
  • An early human species
  • A cave system found in North-East India
  • A geological period in the history of Indian subcontinent

6. Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the earth. What is the significance of this observation? [UPSC-2019]

  • ‘Higgs boson particles’ were detected.
  • ‘Gravitational waves’ were detected.
  • Possibility of intergalactic space travel through ‘wormhole’ was confirmed.
  • It enabled the scientists to understand ‘singularity’.

7. Indira Gandhi Peace Prize for Peace, Disarmament and Development for 2014 was given to which of the following? [UPSC- 2015]

  • Bhabha Atomic Research Centre
  • Indian Institute of Science
  • Indian Space Research Organization
  • Tata Institute of Fundamental Research

8. Fruits stored in a cold chamber exhibit longer storage life because  [UPSC – 2013]

  • Exposure to sunlight is prevented
  • concentration dioxide in the is increased of carbon environment
  • Rate of respiration is decreased
  • There is an increase in humidity

9. The Genetic Engineering Appraisal Committee is constituted under the [IPSC- 2015]

  • Food Safety and Standards Act, 2006
  • Geographical Indications of Goods (Registration and Protection) Act, 1999
  • Environment (Protection) Act, 1986
  • Wildlife (Protection) Act, 1972

10. During a thunderstorm, the thunder in the skies is produced by the [UPSC- 2013]

1. Meeting of cumulonimbus clouds in the sky
2. Lightning that separates the nimbus clouds
3. Violent upward movement of air and water particles

Select the correct answer using the codes given below.

  • 1 only
  • 2 and 3
  • 1 and 3
  • None of the above produces the thunder

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