Daily UPSC MCQs

28TH AUGUST,2020 : DAILY 10.30 A.M UPSC PRELIMS(25 QUESTIONS) MCQs

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1. ‘Gustave Trouvé Award’ is related to which of the following fields?

 
 
 
 

2. Consider the following statements:

  1. Direct current (DC) electricity is what solar panels produce and what batteries hold in storage.
  2. Alternating current (AC) electricity is the type used on the grid and in most household devices.
  3. A device called generator is required to convert the DC electricity from solar panels into appliance-friendly AC.
  • Which of the statements given above are correct?
 
 
 
 

3. A solar cell converts solar energy into useful electricity through a process called the:

 
 
 
 

4. Consider the following statements:

  1. The most common material for commercial solar cell construction is Silicon (Si).
  2. Silicon is the most abundant element in Earth’s crust.
  • Which of the statements given above is/are correct?
 
 
 
 

5. Solar cells provide power for most space installations, from communications and weather satellites to space stations because:

  1. Solar cells can’t provide power enough to undertake such a long journey.
  2. Solar cells have no moving parts that could need maintenance.
  3. Solar cells do not use fuels that would require replenishment.
  • Which of the statements given above are correct?
 
 
 
 

6. Which of the following phenomenon was responsible for the unusual nature of heatwave in the pre-Monsoon season this year?

 
 
 
 

7. Which of the following factors influence the occurrence of heat waves in the north/northwestern parts of India in the pre-Monsoon season?

  1. Western Disturbances
  2. Easterly winds blowing over from the Bay of Bengal
  3. Cyclones formed in the Arabian Seas and the Bay of Bengal
  • Select the correct answer using the code given below:
 
 
 
 

8. Consider the following statements:

  1. A heatwave spell generally lasts for a minimum of four days.
  2. Heatwave conditions occurring in June have been observed to last longer than those recorded in May.
  3. The heat are generally due to dry easterly winds prevailing over northwest and central India.
  • Which of the statements given above is/are correct?
 
 
 
 

9. Consider the following statements:

  1. Summer temperatures in May in 2020 — on average — were lower than usual mostly due to the effect of less aerosols in the atmosphere as a result of the lockdown.
  2. High summer temperatures in north India are one of the factors important for drawing in the monsoon rain into Kerala.
  • Which of the statements given above is/are correct?
 
 
 
 

10. Recently, the United States threatened to strip Hong Kong of the special legal status that has enabled it to remain a global business powerhouse because:

 
 
 
 

11. Recently, anti-trust allegations were probed against Google for abusing its market position to unfairly promote its mobile payments app in India. Anti-trust charges are probed by:

 
 
 
 

12. The Competition Commission of India (CCI) has taken inspiration from the Customs Department and established a ‘green channel’. This ‘green channel’ refers to:

 
 
 
 

13. Which of the following is an example of ‘open-source software’?

 
 
 
 

14. Loss of the sense of smell (and taste), one of the more recently identified symptoms of Covid-19, is now recognized as such by the World Health Organization (WHO). How do loss of the sense of smell (and taste) explain why older humans are more likely to become infected with the novel coronavirus than younger humans?

 
 
 
 

15. Which of the following statements are correct regarding the characteristics of neutrinos?

  1. They are invisible, nearly massless subatomic particles that are electrically neutral.
  2. They can travel at nearly the speed of light from the edge of the universe without being deflected by magnetic fields or absorbed by matter.
  3. High-energy neutrinos can slip through all of the earth’s crust, molten rock and iron unbothered.
  • Select the correct answer using the code given below:
 
 
 
 

16. Which body/organization is responsible for the implementation of SDGs and mapping of the Central Sector Schemes to the SDGs in India?

 
 
 
 

17. Consider the following pairs:

  • Statutory Body: Area Covered
  1. Central Council of Indian Medicine (CCIM): Yoga/Ayurveda/Unani/Siddha
  2. Central Council of Homoeopathy (CCH): Homeopathy
  3. National Medical Commission: Medical Sciences
  • Which of the pairs given above is/are correctly matched?
 
 
 
 

18. Consider the following statements about ‘the Twenty Point Programme (TPP)’ currently operational in India:

  1. It was initially started in 1975.
  2. One of the objectives is the eradication of poverty.
  3. It is a monitoring mechanism for various developmental schemes.
  • Select the correct answer using the code given below:
 
 
 
 

19. In India, which of the following are classified as ‘Natural Disasters’ by National Disaster Management Authority?

  1. Cyclones
  2. Urban floods
  3. Heat waves
  4. Earthquakes
  5. Volcanism
  • Select the correct answer using the code given below:
 
 
 
 

20.  Consider the following pairs:

  • Critically Endangered Species: River
  1. Gangetic Dolphin: Chambal
  2. Indus River Dolphin: Beas
  3. Gharial: Krishna

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

 
 
 
 

21. Which of the following types of waves are used by the night-vision goggles and heat-seeking missiles?

 
 
 
 

22. Consider the following statements about the ‘IceCube Neutrino Observatory’:

  1. It is a telescope.
  2. It is located at the South Pole.
  3. It detects fundamental particles called neutrinos.
  4. It is buried in the ice.
  • Which of the statements given above is/are correct?
 
 
 
 

23. Arrange the following in decreasing order in the context of the composition of the Universe:

  1. Dark matter
  2. Dark energy
  3. Ordinary matter
  • Select the correct answer using the code given below:
 
 
 
 

24. Consider the following statements:

  1. Nuclear Spectroscopic Telescope Array (NuSTAR) is a telescope of NASA.
  2. It aims to carry out a census of black holes with 1,000 times more sensitivity than previous experiments.
  • Which of the statements given above is/are correct?
 
 
 
 

25. The terms ‘South Atlantic Anomaly’ is used by the scientists to describe weakening the magnetic field of the Earth between:

 
 
 
 

Question 1 of 25

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