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Practice Questions - Current Affairs 15-06-2024

Weekly Current Affairs Practice

Practice Questions - Current Affairs 15-06-2024


Q1. The known forces of nature can be divided into four classes, viz. gravity, electromagnetism, weak nuclear force, and strong nuclear force. With reference to them, which one of the following statements is not correct? 

(a) Gravity is the strongest of the four 

(b) Electromagnetism acts only on particles with an electric charge 

(c) Weak nuclear force causes radioactivity 

(d) Strong nuclear force holds protons and neutrons inside the nucleus of an atom 
Q2. Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste? 

  1. Beryllium 
  2. Cadmium 
  3. Chromium 
  4. Heptachlor 
  5. Mercury 
  6. Lead 
  7. Plutonium 

Select the correct answer using the codes given below: 

(a) 1, 3, 4, 6 and 7 only 

(b) 1, 2, 3, 5 and 6 only 

(c) 2, 4, 5 and 7 only 

(d) 1, 2, 3, 4, 5, 6 and 7 

Q3. The efforts to detect the existence of Higgs boson particle have become frequent news in the recent past. What is/are the importance of discovering this particle? 

  1. It will enable us to understand as to why elementary particles have mass. 
  2. It will enable us in the near future to develop the technology of transferring matter from one point to another without traversing the physical space between them. 
  3. It will enable us to create better fuels for nuclear fission. 

Select the correct answer using the codes given below. 

(a) 1 only 

(b) 2 and 3 only 

(c) 1 and 3 only 

(d) 1, 2 and 3 

Q4. Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 

  1. Across different species of plants 
  2. From animals to plants 
  3. From microorganisms to higher organisms 

Select the correct answer using the codes given below. 

(a) 1 only 

(b) 2 and 3 only 

(c) 1 and 3 only 

(d) 1, 2 and 3 

Q5. Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to 

  1. resist drought and increase absorptive area 
  2. tolerate extremes of pH 
  3. resist disease infestation 

Select the correct answer using the codes given below. 

(a) 1 only 

(b) 2 and 3 only 

(c) 1 and 3 only 

(d) 1, 2 and 3 

Q6. Which of the following statements is/are correct? 

  1. Viruses lack enzymes necessary for the generation of energy 
  2. Viruses can be cultured in any synthetic medium. 
  3. Viruses are transmitted from one organism to another by biological vectors only 

Select the correct answer using the codes given below. 

(a) 1 only  

(b) 2 and 3 only 

(c) 1 and 3 only  

(d) 1, 2 and 3 

Q7. With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements: 

  1. Biofilters provide waste treatment by removing uneaten fish feed. 
  2. Biofilters convert ammonia present in fish waste to nitrate. 
  3. Biofilters increase phosphorus as nutrient for fish in water. 

How many of the statements given above are correct? 

(a) Only one 

(b) Only two 

(c) All three 

(d) None  

Q8. Consider the following pairs: 

Objects in space: Description 

  1. Cepheids: Giant clouds of dust and gas in space 
  2. Nebulae:  Stars which brighten and dim periodically 
  3. Pulsars:    Neutron stars that are formed when massive stars run out of fuel and collapse 

How many of the above pairs are correctly matched? 

(a) Only one 

(b) Only two 

(c) All three 

(d) None  

Q9. Consider the following statements: 

  1. Ballistic missiles are jet-propelled at subsonic speeds throughout their flights, while cruise missiles are rocket-powered only in the initial phase of flight. 
  2. Agni-V is a medium-range supersonic cruise missile, while BrahMos is a solid-fuelled intercontinental ballistic missile. 

Which of the statements gin above is/are correct? 

(a) 1 only 

(b) 2 only 

(c) Both 1 and 2 

(d) Neither 1 nor 2 

Q10. Consider the following statements: 

  1. Other than those made by humans, nanoparticles do not exist in nature. 
  2. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics. 
  3. Nanoparticles of some commercial products which enter the environment are unsafe for humans. 

Which of the statements given above is/are correct? 

(a) 1 only 

(b) 3 only 

(c) 1 and 2 

(d) 2 and 3 

Q11. Consider the following statements: 

DNA Barcoding can be a tool to: 

  1. assess the age of a plant or animal. 
  2. distinguish among species that look alike. 
  3. identify undesirable animal or plant materials in processed foods. 

Which of the statements given above is/are correct? 

(a) 1 only 

(b) 3 only 

(c) 1 and 2 

(d) 2 and 3 

Q12. Consider the following 

  1. Carbon monoxide 
  2. Nitrogen oxide 
  3. Ozone 
  4. Sulphur dioxide 

Excess of which of the above in the environment is/are cause(s) of acid rain? 

(a) 1, 2 and 3 

(b) 2 and 4 only 

(c) 4 only 

(d) 1, 3 and 4 

Q13. With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements: 

  1. Its fibres can be blended with wool and cotton fibres to reinforce their properties.  
  2. Containers made of it can be used to store any alcoholic beverage.  
  3. Bottles made of it can be recycled into other products.  
  4. Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions.  

Which of the statements given above are correct?  

(a) 1 and 3  

(b) 2 and 4  

(c) 1 and 4  

(d) 2 and 3   

Q14. Consider the following: 

  1. Aarogya Setu  
  2. CoWIN  
  3. Digi Locker  
  4. DIKSHA  

How many of the above are built on top of open-source digital platforms? 

(a) Only two 

(b) Only three 

(c) All four 

(d) None 

Q15. With reference to Web 3.0, consider the following statements: 

  1. Web 3.0 technology enables people to control their own data.  
  2. In Web 3.0 world, there can be blockchain based social networks.  
  3. Web 3.0 is operated by corporation rather than users collectively.  

How many of the statements given above are correct?  

(a) Only 1  

(b) Only 2 

(c) All three 

(d) None 

Q16. With reference to "Software as a Service (SaaS)”, consider the following statements: 

  1. SaaS buyers can customise the user interface but cannot change data fields.  
  2. SaaS users can access their data through web browser.  
  3. Outlook, Hotmail and Yahoo! Mail are forms of SaaS.  

How many of the statements given above are correct?  

(a) Only 1  

(b) Only 2 

(c) All three 

(d) None 

Q17. Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in media? 

(a) A hypersonic missile is -launched into space to counter the asteroid approaching the Earth and explode it in space.  

(b) A spacecraft lands on another planet after making several orbital motions.  

(c) A missile is put into a stable orbit around the Earth and deorbits over a target on the Earth.  

(d) A spacecraft moves along a comet with the same speed and places a probe on its surface.'  

Q18.  Which one of the following is the context in which the term “qiskit” is mentioned? 

(a) Cloud Services  

(b) Open-source software development kit  

(c) Visible Light Communication Technologies  

(d) Wireless Communication Technologies  

Q19. Consider the following communication technologies: 

  1. Alarms and movement detectors  
  2. Road Transport Telematics. 
  3. Wireless microphones  

How many of the above are not considered Short-Range devices/technologies?  

(a) Only 1 

(b) Only 2 

(c) All three 

(d) None

Q20. Consider the following statements: 

  1. Biofilms can form on medical implants within human tissues.  
  2. Biofilms can form on food and food processing surfaces.  
  3. Biofilms can exhibit antibiotic resistance.  

Which of the statements given above are correct?  

(a) 1 and 2 only  

(b) 2 and 3 only  

(c) 1 and 3 only  

(d) 1, 2 and 3  

 

Keywords: Practice Questions - Current Affairs 15-06-2024
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UPSC Daily Current Affairs focuses on learning current events on a daily basis. An aspirant needs to study regular and updated information about current events, news, and relevant topics that are important for UPSC aspirants. It covers national and international affairs, government policies, socio-economic issues, science and technology advancements, and more.

UPSC Daily Current Affairs provides aspirants with a concise and comprehensive overview of the latest happenings and developments across various fields. It helps aspirants stay updated with current affairs and provides them with valuable insights and analysis, which are essential for answering questions in the UPSC examinations. It enhances their knowledge, analytical skills, and ability to connect current affairs with the UPSC syllabus.

UPSC Daily Current Affairs covers a wide range of topics, including politics, economics, science and technology, environment, social issues, governance, international relations, and more. It offers news summaries, in-depth analyses, editorials, opinion pieces, and relevant study materials. It also provides practice questions and quizzes to help aspirants test their understanding of current affairs.

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