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Science & Tech

Biology, IT, space, defence technology, biotechnology. Filter by topic or year.

13 questions

  • 2019 · Question 32 · Space Missions

    For the measurement/estimation of which of the following are satellite images/remote sensing data used? 1. Chlorophyll content in the vegetation of a specific location 2. Greenhouse gas emissions from rice paddies of a specific location 3. Land surface temperatures of a specific location Select the correct answer using the code given below.

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 75 · Information Technology

    With reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)? 1. LTE is commonly marketed as 3G and VoLTE is commonly marketed as advanced 3G. 2. LTE is data-only technology and VoLTE is voice-only technology. Select the correct answer using the code given below.

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 91 · Information Technology

    In the context of digital technologies for entertainment, consider the following statements : 1. In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out. 2. In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings. 3. AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC. 4. VR closes the world, and transposes an individual, providing complete immersion experience. Which of the statements given above is/are correct?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 93 · Biotechnology

    With reference to the recent developments in science, which one of the following statements is not correct?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 94 · Information Technology

    Consider the following statements : A digital signature is 1. an electronic record that identifies the certifying authority issuing it 2. used to serve as a proof of identity of an individual to access information or server on Internet 3. an electronic method of signing an electronic document and ensuring that the original content is unchanged Which of the statements given above is/are correct?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 95 · Information Technology

    In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? 1. Location identification of a person 2. Sleep monitoring of a person 3. Assisting the hearing impaired person Select the correct answer using the code given below.

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 96 · Biotechnology

    ‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why? 1. It is used in developing gene silencing therapies. 2. It can be used in developing therapies for the treatment of cancer. 3. It can be used to develop hormone replacement therapies. 4. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below.

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 97 · Physics

    Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 98 · Health and Diseases

    Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? 1. Genetic predisposition of some people 2. Taking incorrect doses of antibiotics to cure diseases 3. Using antibiotics in livestock farming 4. Multiple chronic diseases in some people Select the correct answer using the code given below.

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
  • 2019 · Question 100 · Health and Diseases

    Which one of the following statements is not correct?

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    Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)