UPSC Prelims 2022
Get UPSC Prelims Previous Year Question (PYQ) Papers with detailed explanations, mindmaps, organized year-wise and subject-wise for GS.
- Science & Technology
Consider the following communication technologies:
- Closed-circuit Television
- Radio Frequency Identification
- Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies?
View Answer for: Consider the following communication technologies: Closed-circuit Television Radio Frequency Identification Wireless Local Area NetworkWhich of the above are considered Short-Range devices/technologies?Consider the following communication technologies:
- Closed-circuit Television
- Radio Frequency Identification
- Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies?
- Science & Technology
Consider the following statements:
- Biofilms can form on medical implants within human tissues.
- Biofilms can form on food and food processing surfaces.
- Biofilms can exhibit antibiotic resistance.
Which of the statements given above are correct ?
View Answer for: Consider the following statements: Biofilms can form on medical implants within human tissues. Biofilms can form on food and food processing surfaces. Biofilms can exhibit antibiotic resistance.Which of the statements given above are correct ?Consider the following statements:
- Biofilms can form on medical implants within human tissues.
- Biofilms can form on food and food processing surfaces.
- Biofilms can exhibit antibiotic resistance.
Which of the statements given above are correct ?
- Science & Technology
In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements:
- The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform.
- Sputnik V vaccine is manufactured using vector-based platform.
- COVAXIN is an inactivated pathogen-based vaccine.
Which of the statements given above are correct?
View Answer for: In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements: The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. Sputnik V vaccine is manufactured using vector-based platform. COVAXIN is an inactivated pathogen-based vaccine.Which of the statements given above are correct?In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements:
- The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform.
- Sputnik V vaccine is manufactured using vector-based platform.
- COVAXIN is an inactivated pathogen-based vaccine.
Which of the statements given above are correct?
- Science & Technology
With reference to "Gucchi" sometimes mentioned in the news, consider the following statements:
- It is a fungus.
- It grows in some Himalayan forest areas.
- It is commercially cultivated in the Himalayan foothills of north-eastern India.
Which of the statements given above is/are
View Answer for: With reference to "Gucchi" sometimes mentioned in the news, consider the following statements: It is a fungus. It grows in some Himalayan forest areas. It is commercially cultivated in the Himalayan foothills of north-eastern India.Which of the statements given above is/areWith reference to "Gucchi" sometimes mentioned in the news, consider the following statements:
- It is a fungus.
- It grows in some Himalayan forest areas.
- It is commercially cultivated in the Himalayan foothills of north-eastern India.
Which of the statements given above is/are
- Science & Technology
Consider the following statements:
- Other than those made by humans, nanoparticles do not exist in nature.
- Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics
- Nanoparticles of some commercial products which enter the environment are unsafe for humans.
Which of the statements given above is/are correct?
View Answer for: Consider the following statements: Other than those made by humans, nanoparticles do not exist in nature. Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics Nanoparticles of some commercial products which enter the environment are unsafe for humans.Which of the statements given above is/are correct?Consider the following statements:
- Other than those made by humans, nanoparticles do not exist in nature.
- Nanoparticles of some metallic oxides are used in the manufacture of some cosmetics
- Nanoparticles of some commercial products which enter the environment are unsafe for humans.
Which of the statements given above is/are correct?
- Science & Technology
With reference to “Software as a Service (SaaS)”, consider the following statements:
- SaaS buyers can customize the user interface and can change data fields.
- SaaS users can access their data through their mobile devices.
- Outlook, Hotmail and Yahoo! Mail are forms of SaaS.
Which of the statements given above are correct?
View Answer for: With reference to “Software as a Service (SaaS)”, consider the following statements: SaaS buyers can customize the user interface and can change data fields. SaaS users can access their data through their mobile devices. Outlook, Hotmail and Yahoo! Mail are forms of SaaS.Which of the statements given above are correct?With reference to “Software as a Service (SaaS)”, consider the following statements:
- SaaS buyers can customize the user interface and can change data fields.
- SaaS users can access their data through their mobile devices.
- Outlook, Hotmail and Yahoo! Mail are forms of SaaS.
Which of the statements given above are correct?
- Science & Technology
Certain species of which one of the following organisms are well known as cultivators of fungi?
View Answer for: Certain species of which one of the following organisms are well known as cultivators of fungi?Certain species of which one of the following organisms are well known as cultivators of fungi?
- Science & Technology
With reference to Web 3-0, consider the following statements :
- Web 3-0 technology enables people to control their own data.
- In Web 3-0 world, there can be blockchain based social networks.
- Web 3-0 is operated by users collectively rather than a corporation.
Which of the statements given above are correct?
View Answer for: With reference to Web 3-0, consider the following statements : Web 3-0 technology enables people to control their own data. In Web 3-0 world, there can be blockchain based social networks. Web 3-0 is operated by users collectively rather than a corporation.Which of the statements given above are correct?With reference to Web 3-0, consider the following statements :
- Web 3-0 technology enables people to control their own data.
- In Web 3-0 world, there can be blockchain based social networks.
- Web 3-0 is operated by users collectively rather than a corporation.
Which of the statements given above are correct?
- Science & Technology
If a major solar storm (solar-flare) reaches the Earth, which of the following are the possible effects on the Earth?
- GPS and navigation systems could fail.
- Tsunamis could occur at equatorial regions.
- Power grids could be damaged.
- Intense auroras could occur over much of the Earth.
- Forest fires could take place over much of the planet.
- Orbits of the satellites could be disturbed.
- Shortwave radio communication of the aircraft flying over polar regions could be interrupted.
Select the correct answer using the code given below:
View Answer for: If a major solar storm (solar-flare) reaches the Earth, which of the following are the possible effects on the Earth? GPS and navigation systems could fail. Tsunamis could occur at equatorial regions. Power grids could be damaged. Intense auroras could occur over much of the Earth. Forest fires could take place over much of the planet. Orbits of the satellites could be disturbed. Shortwave radio communication of the aircraft flying over polar regions could be interrupted.Select the correct answer using the code given below:If a major solar storm (solar-flare) reaches the Earth, which of the following are the possible effects on the Earth?
- GPS and navigation systems could fail.
- Tsunamis could occur at equatorial regions.
- Power grids could be damaged.
- Intense auroras could occur over much of the Earth.
- Forest fires could take place over much of the planet.
- Orbits of the satellites could be disturbed.
- Shortwave radio communication of the aircraft flying over polar regions could be interrupted.
Select the correct answer using the code given below:
- Science & Technology
Consider the following statements: DNA Barcoding can be a tool to:
- assess the age of a plant or animal.
- distinguish among species that look alike.
- identify undesirable animal or plant materials in processed foods.
Which of the statements given above is/are correct?
View Answer for: Consider the following statements: DNA Barcoding can be a tool to: assess the age of a plant or animal. distinguish among species that look alike. identify undesirable animal or plant materials in processed foods.Which of the statements given above is/are correct?Consider the following statements: DNA Barcoding can be a tool to:
- assess the age of a plant or animal.
- distinguish among species that look alike.
- identify undesirable animal or plant materials in processed foods.
Which of the statements given above is/are correct?
- Science & Technology
Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media ?
View Answer for: Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media ?Which one of the following statements best reflects the idea behind the "Fractional Orbital Bombardment System" often talked about in media ?
- Science & Technology
Which one of the following statements best describes the role of B cells and T cells in the human body?
View Answer for: Which one of the following statements best describes the role of B cells and T cells in the human body?Which one of the following statements best describes the role of B cells and T cells in the human body?
- Science & Technology
With reference to Non-Fungible Tokens (NFTs), consider the following statements.
- They enable the digital representation of physical assets.
- They are unique cryptographic tokens that exist on a blockchain.
- They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions.
Which of the statements given above are correct?
View Answer for: With reference to Non-Fungible Tokens (NFTs), consider the following statements. They enable the digital representation of physical assets. They are unique cryptographic tokens that exist on a blockchain. They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions.Which of the statements given above are correct?With reference to Non-Fungible Tokens (NFTs), consider the following statements.
- They enable the digital representation of physical assets.
- They are unique cryptographic tokens that exist on a blockchain.
- They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions.
Which of the statements given above are correct?
- Science & Technology
Which one of the following-is the context in which the term "qubit" is mentioned?
View Answer for: Which one of the following-is the context in which the term "qubit" is mentioned?Which one of the following-is the context in which the term "qubit" is mentioned?
- Science & Technology
Consider the following statements in respect of probiotics
- Probiotics are made of both bacteria and yeast.
- The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.
- Probiotics help in the digestion of milk sugars.
Which of the statements given above is/are correct?
View Answer for: Consider the following statements in respect of probiotics Probiotics are made of both bacteria and yeast. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut. Probiotics help in the digestion of milk sugars.Which of the statements given above is/are correct?Consider the following statements in respect of probiotics
- Probiotics are made of both bacteria and yeast.
- The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut.
- Probiotics help in the digestion of milk sugars.
Which of the statements given above is/are correct?
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