Consider the following statements: (2022)
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 above statements is/are correct?

Bollgard I and Bollgard II technologies are mentioned in the context of (2021)

With reference to the recent developments in science, which one of the following statements is not correct? (2019)

‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why? (2019)
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.
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What is the application of Somatic Cell Nuclear Transfer Technology? (2017)

With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future? (2017)
1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants.
2. This technique helps in reducing the time required to develop new varieties of crop plants.
3. It can be used to decipher the host pathogen relationships in crops.
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In the context of the developments in Bioinformatics, the term ‘transcriptome’, sometimes seen in the news, refers to – (2016)

Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to (2013)
1. Resist drought and increase absorptive area
2. Tolerate extremes of pH
3. Resist disease infestation
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Recombinant DNA technology (Genetic Engineering) allows genes to be transferred: (2013)
1. Across different species of plants
2. From animals to plants
3. From microorganisms to higher organisms
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What are the reasons for the people’s resistance to the introduction of Bt brinjal in India? (2012)
1. Bt brinjal has been created by inserting a gene from a soil fungus into its genome.
2. The seeds of Bt brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies.
3. There is an apprehension that the consumption of Bt brinjal may have adverse impact on health.
4. There is some concern that the introduction of Bt brinjal may have adverse effects on biodiversity.
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Other than resistance to pests, what are the prospects for which genetically engineered plants have been created? (2012)
1. To enable them to withstand drought.
2. To increase the nutritive value of the produce.
3. To enable them to grow and do photosynthesis in spaceships and space stations.
4. To increase their shelf life.
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At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us? (2011)
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

Consider the following statements in respect of probiotics: (2022)
1. Probiotics are made of both bacteria and yeast.
2. The organisms in probiotics are found in food 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?

Which one of the following statements best describes the role of B cells and T cells in the human body? (2022)

In the context of hereditary diseases, consider the following statements: (2021)
1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of the egg.
2. A child inherits mitochondrial diseases entirely from mother and not from father.
Which of the statements given above is/are correct?

The term ‘ACE2’ is talked about in the context of: (2021)

Consider the following statements: (2020)
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?

With reference to prepackaged items in India, is it mandatory to the manufacturer to put which of the following information on the main label, as per the Food Safety and Standards (Packaging and Labeling) Regulations, 2011? (2016)
1. List of ingredients including additives
2. Nutrition information
3. Recommendation, if any, made by the medical profession about the possibility of any allergic reactions
4. Vegetarian/nonvegetarian
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Consider the following minerals: (2013)
1. Calcium
2. Iron
3. Sodium
Which of the minerals given above is/are required by the human body for the contraction of muscles?

Consider the following kinds of organisms: (2012)
1. Bacteria
2. Fungi
3. Flowering plants
Some species of which of the above kinds of organisms are employed biopesticides?

What is the role of ultraviolet (UV) radiation in the water purification systems? (2012)
1. It inactivates/kills the harmful microorganisms in water.
2. It removes all the undesirable odours from the water.
3. It quickens the sedimentation of solid particles, removes turbidity and improves the clarity of water.
Which of the statements given above is/are correct?

With reference to ‘stem cells’, frequently in the news, which of the following statements is/are correct? (2012)
1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.
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Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity? (2011)

Consider the following statements: (2021)
1. Adenoviruses have single stranded DNA genomes whereas retroviruses have double-stranded DNA genomes.
2. Common cold is sometimes caused by an adenovirus whereas AIDS is caused by a retrovirus.
Which of the statements given above is/are correct?

With reference to recent developments regarding ‘Recombinant Vector Vaccine’, consider the following statements: (2021)
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?

What is the importance of using Pneumococcal Conjugate Vaccines in India? (2020)
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.
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Which of the following are the reasons for the occurrence of multi-drug resistance in microbial pathogens in India? (2019)
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
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What is Cas9 protein that is often mentioned in the news? (2019)

Which one of the following statements is not correct? (2019)

Which of the above spread plant diseases?
1. Birds
2. Dust blowing
3. Rain
4. Wind blowing
(2018)

Consider the following pairs: (2017)
Commonly used/ - Unwanted or consumed materials controversial chemicals likely to be found in them
1. Lipstick - Lead
2. Soft drinks - Brominated vegetable oils
3. Chinese fast - Monosodium food glutamate
Which of the pairs given above is/are correctly matched?

Which of the following statements is/are correct?
Virus can infect
1. Bacteria
2. Fungi
3. Plants
Select the correct answer using the code given below (2016)

Consider the following pairs: (2014)
Vitamin : Deficiency Disease
1. Vitamin C : Scurvy
2. Vitamin D : Rickets
3. Vitamin E : Night blindness
Which of the pairs given above is/are correctly matched?

Consider the following diseases: (2014)
1. Diphtheria
2. Chickenpox
3. Smallpox
Which of the above diseases has/have been eradicated in India?

Which of the following statements is/are correct? (2013)
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
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Which of the following diseases can be transmitted from one person to another through tattooing? (2013)
1. Chikungunya
2. Hepatitis B
3. HIV-AIDS
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With reference to “Software as a Service (SaaS)”, consider the following statements: (2022)
1. SaaS buyers can customise the user interface and can change data fields.
2. SaaS users can access their data through their mobile devices.
3. Outlook, Hotmail and Yahoo Mail are form of SaaS
Which of the statements given above are correct?

With reference to Web 3.0, consider the following statements: (2022)
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 users collectively rather than a corporation.
Which of the statements given above are correct?

Which one of the following is the context in which the term “qubit” is mentioned? (2022)

Consider the following communication technologies: (2022)
1. Closed-circuit Television
2. Radio Frequency Identification
3. Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies?

With the present state of development, Artificial Intelligence can effectively do which of the following? (2020)
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
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With reference to Visible Light Communication (VLC) technology, which of the following statements are correct? (2020)
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
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With reference to “Blockchain Technology” consider the following statements: (2020)
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 is about crypto currency 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?

With reference to communications technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VoLTE (Voice over Long-Term Evolution)? (2019)
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.
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In the context of digital technologies for entertainment, consider the following statements: (2019)
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 - phones or PCs.
4. VR closes the world, and transposes an individual, providing a complete immersion experience.
Which of the statements given above is/are correct?

Consider the following statements: (2019)
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 serve 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?

In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices? (2019)
1. Location identification of a person
2. Sleep monitoring of a person
3. Assisting the hearing impaired person
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For the measurement/ estimation of which of the following are satellite images/remote sensing data used? (2019)
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.
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In which of the following areas can GPS technology be used? (2018)
1. Mobile phone operations
2. Banking operations
3. Controlling the power grids
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When the alarm of your smartphone rings... your car warns you about traffic congestion... which one of the following terms best applies to the above scenario? (2018)

With reference to ‘LiFi’, recently in the news, which of the following statements is/are correct? (2016)
1. It uses light as the medium for high-speed data transmission.
2. It is a wireless technology and is several times faster than ‘WiFi’.
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With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct? (2015)
1. It is a contactless communication technology that uses electromagnetic radio fields.
2. NFC is designed for use by devices which can be at a distance of even a metre from each other.
3. NFC can use encryption when sending sensitive information.
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In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person? (2014)
1. Iris scanning
2. Retinal scanning
3. Voice recognition
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What is the difference between Bluetooth and Wi-Fi devices? (2011)

What is a “Virtual Private Network”? (2011)

Consider the following statements: (2022)
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 above statements is/are correct?

When reference to carbon nanotubes, consider the following statements: (2020)
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 the human body.
3. They can be used in biochemical sensors.
4. Carbon nanotubes are biodegradable.
Which of the statements given above are correct?

With reference to the use of nanotechnology in the health sector, which of the following statements is/are correct? (2015)
1. Targeted drug delivery is made possible by nanotechnology.
2. Nanotechnology can largely contribute to gene therapy.
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If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the Earth? (2022)
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: