2022 · Question 33 · Information Technology
Science & Tech
Biology, IT, space, defence technology, biotechnology. Filter by topic or year.
135 questions
- Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2022 · Question 34 · Defence Technology
Which one of the following statements best reflects the idea behind the “Fractional Orbital Bombardment System” often talked about in media ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 35 · Emerging Technology
Which one of the following is the context in which the term “qubit” is mentioned ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 36 · Information Technology
Consider the following communication technologies : 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered Short-Range devices/technologies ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 37 · Biology
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 ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 38 · Biology
Consider the following statements in respect of probiotics : 1. Probiotics are made of both bacteria and yeast. 2. The organisms in probiotics are found in foods we ingest but they do not naturally occur in our gut. 3. Probiotics help in the digestion of milk sugars. Which of the statements given above is/are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 39 · Biology
In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements : 1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. 2. Sputnik V vaccine is manufactured using vector based platform. 3. COVAXIN is an inactivated pathogen based vaccine. Which of the statements given above are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 40 · Space Missions
If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth ? 1. GPS and navigation systems could fail. 2. Tsunamis could occur at equatorial regions. 3. Power grids could be damaged. 4. Intense auroras could occur over much of the Earth. 5. Forest fires could take place over much of the planet. 6. Orbits of the satellites could be disturbed. 7. Shortwave radio communication of the aircraft flying over polar regions could be interrupted. Select the correct answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 46 · Materials Science
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 ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 48 · Biology
Which of the following are nitrogen-fixing plants ? 1. Alfalfa 2. Amaranth 3. Chickpea 4. Clover 5. Purslane (Kulfa) 6. Spinach Select the correct answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 69 · Information Technology
With reference to Non-Fungible Tokens (NFTs), consider the following statements : 1. They enable the digital representation of physical assets. 2. They are unique cryptographic tokens that exist on a blockchain. 3. 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 ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 97 · Biology
Which one of the following statements best describes the role of B cells and T cells in the human body ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 98 · Emerging Technology
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 ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2022 · Question 99 · Biotechnology
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 ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 65 · Biotechnology
With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements : 1. Genetic engineering is applied in the development of these vaccines. 2. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 66 · Biotechnology
In the context of hereditary diseases, consider the following statements : 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of egg. 2. A child inherits mitochondrial diseases entirely from mother and not from father. Which of the statements given above is/are correct?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 67 · Biotechnology
Bollgard I and Bollgard II technologies are mentioned in the context of
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 68 · Physics
In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following? 1. Area of the hole in the lid 2. Temperature of the flame 3. Weight of the lid Select the correct answer using the code given below.
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 69 · Biology
Consider the following : 1. Bacteria 2. Fungi 3. Virus Which of the above can be cultured in artificial/synthetic medium?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 70 · Health and Diseases
Consider the following statements : 1. Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes. 2. Common cold is sometime caused by an adenovirus whereas AIDS is caused by a retrovirus. Which of the statements given above is/are correct?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 71 · Chemistry
Water can dissolve more substances than any other liquid because
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 72 · Physics
With reference to street-lighting, how do sodium lamps differ from LED lamps? 1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps. 2. As street-lights, sodium lamps have longer life span than LED lamps. 3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street-lighting. Select the correct answer using the code given below.
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 73 · Health and Diseases
The term ‘ACE2’ is talked about in the context of
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 74 · Chemistry
Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following kinds of plastics?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 75 · Chemistry
‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2021 · Question 76 · Physics
Which one of the following is a reason why astronomical distances are measured in light-years?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 37 · Biotechnology
In the context of recent advances in human reproductive technology, “Pronuclear Transfer” is used for
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 38 · Information Technology
With the present state of development, Artificial Intelligence can effectively do which of the following ? 1. Bring down electricity consumption in industrial units 2. Create meaningful short stories and songs 3. Disease diagnosis 4. Text-to-Speech Conversion 5. Wireless transmission of electrical energy Select the correct answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 39 · Information Technology
With reference to Visible Light Communication (VLC) technology, which of the following statements are correct ? 1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm. 2. VLC is known as long-range optical wireless communication. 3. VLC can transmit large amounts of data faster than Bluetooth. 4. VLC has no electromagnetic interference. Select the correct answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 40 · Information Technology
With reference to “Blockchain Technology”, consider the following statements : 1. It is a public ledger that everyone can inspect, but which no single user controls. 2. The structure and design of blockchain is such that all the data in it are about cryptocurrency only. 3. Applications that depend on basic features of blockchain can be developed without anybody’s permission. Which of the statements given above is/are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 41 · Nanotechnology
With reference to carbon nanotubes, consider the following statements : 1. They can be used as carriers of drugs and antigens in the human body. 2. They can be made into artificial blood capillaries for an injured part of human body. 3. They can be used in biochemical sensors. 4. Carbon nanotubes are biodegradable. Which of the statements given above are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 42 · Information Technology
Consider the following activities : 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 43 · Space Missions
“The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” The experiment in question refers to
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 44 · Biotechnology
Consider the following statements : 1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent. 2. A person’s genome can be edited before birth at the early embryonic stage. 3. Human induced pluripotent stem cells can be injected into the embryo of a pig. Which of the statements given above is/are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 45 · Health and Diseases
What is the importance of using Pneumococcal Conjugate Vaccines in India ? 1. These vaccines are effective against pneumonia as well as meningitis and sepsis. 2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. 3. These vaccines have no side effects and cause no allergic reactions. Select the correct answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 46 · Information Technology
In India, the term “Public Key Infrastructure” is used in the context of
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2020 · Question 47 · Biology
Which of the following statements are correct regarding the general difference between plant and animal cells ? 1. Plant cells have cellulose cell walls whilst animal cells do not. 2. Plant cells do not have plasma membrane unlike animal cells which do. 3. Mature plant cell has one large vacuole whilst animal cell has many small vacuoles. Select the correct answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)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.
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.
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2019 · Question 88 · Information Technology
Which of the following adopted a law on data protection and privacy for its citizens known as ‘General Data Protection Regulation’ in April 2016 and started implementation of it from 25th May, 2018?
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?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2019 · Question 92 · Biology
The word ‘Denisovan’ is sometimes mentioned in media in reference to
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?
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?
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.
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.
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?
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.
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2019 · Question 99 · Biotechnology
What is Cas9 protein that is often mentioned in news?
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?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)