12 sample questions are shown here; sign up free to practise all 80.
Q1Current Affairs·Science and Technology in NewsPYQ 2025
Consider the following statements regarding AI Action Summit held in Grand Palais, Paris in February 2025:
1. Co-chaired with India, the event builds on the advances made at the Bletchley Park Summit held in 2023 and the Seoul Summit held in 2024.
2. Along with other countries, US and UK also signed the declaration on inclusive and sustainable AI.
Which of the statements given above is/are correct?
- A1 onlyCorrect
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Explanation
Correct. Paris 2025 was co-chaired with India and continued the Bletchley 2023 and Seoul 2024 sequence, but the US and UK did not sign the final declaration.
Q2Current Affairs·Science and Technology in NewsPYQ 2021
The term 'ACE2' is talked about in the context of:
- AGenes introduced in the genetically modified plants
- BDevelopment of India's own satellite navigation system
- CRadio collars for wildlife tracking
- DSpread of viral diseasesCorrect
Explanation
Correct. ACE2 (Angiotensin-Converting Enzyme 2) is the receptor that SARS-CoV-2 uses to enter human cells, making it central to viral disease spread.
Q3Current Affairs·Science and Technology in NewsPYQ 2020
In India, the term 'Public Key Infrastructure' is used in the context of:
- ADigital security infrastructureCorrect
- BFood security infrastructure
- CHealth care and education infrastructure
- DTelecommunication and transportation infrastructure
Explanation
Correct. Public Key Infrastructure refers to the framework of certificates, encryption and authentication used to secure digital transactions and verify identities.
Q4Current Affairs·Science and Technology in NewsPYQ 2017
Which of the following statements is/are correct regarding Smart India Hackathon 2017?
1. It is a centrally sponsored scheme for developing every city of our country into Smart Cities in a decade.
2. It is an initiative to identify new digital technology innovations for solving the many problems faced by our country.
3. It is a programme aimed at making all the financial transactions in our country completely digital in a decade.
Select the correct answer using the code given below:
- A1 and 3 only
- B2 onlyCorrect
- C3 only
- D2 and 3 only
Explanation
Correct. Smart India Hackathon was an innovation challenge to build digital and engineering solutions to real problems, not a Smart Cities scheme or a cashless initiative.
Q5Current Affairs·Science and Technology in NewsPYQ 2016
'Project Loon', sometimes seen in the news, is related to:
- AWaste management technology
- BWireless communication technologyCorrect
- CSolar power production technology
- DWater conservation technology
Explanation
Correct. Project Loon was Google's initiative to provide internet connectivity in remote areas using high-altitude balloons carrying wireless communication equipment.
Q6Current Affairs·Science and Technology in NewsPYQ 2016
With reference to 'Bitcoins', sometimes seen in the news, which of the following statements is/are correct?
1. Bitcoins are tracked by the Central Banks of the countries.
2. Anyone with a Bitcoin address can send and receive Bitcoins from anyone else with a Bitcoin address.
3. Online payments can be sent without either side knowing the identity of the other.
Select the correct answer using the code given below.
- A1 and 2 only
- B2 and 3 onlyCorrect
- C3 only
- D1, 2 and 3
Explanation
Correct. Bitcoin allows peer-to-peer transfers between any addresses, and transactions can be pseudonymous without mandatory real-world identity disclosure.
Q7Current Affairs·Science and Technology in NewsPYQ 2016
'Net metering' is sometimes seen in the news in the context of promoting the:
- AProduction and use of solar energy by the households/consumersCorrect
- BUse of piped natural gas in the kitchens of households
- CInstallation of CNG kits in motor-cars
- DInstallation of water meters in urban households
Explanation
Correct. Net metering allows rooftop solar consumers to offset their electricity consumption by feeding surplus power back into the grid.
Q8Current Affairs·Science and Technology in NewsPYQ 2015
In the context of modern scientific research, consider the following statements about 'IceCube', a particle detector located at South Pole, which was recently in the news:
1. It is the world's largest neutrino detector, encompassing a cubic kilometre of ice.
2. It is a powerful telescope to search for dark matter.
3. It is buried deep in the ice.
Which of the statements given above is/are correct?
- A1 only
- B2 and 3 only
- C1 and 3 only
- D1, 2 and 3Correct
Explanation
Correct. IceCube is a cubic-kilometre neutrino observatory buried deep in Antarctic ice that also serves as a powerful instrument for dark matter searches.
Q9Current Affairs·Science and Technology in NewsPYQ 2015
The term 'IndARC', sometimes seen in the news, is the name of:
- AAn indigenously developed radar system inducted into Indian Defence
- BIndia's satellite to provide services to the countries of Indian Ocean Rim
- CA scientific establishment set up by India in Antarctic region
- DIndia's underwater observatory to scientifically study the Arctic regionCorrect
Explanation
Correct. IndARC is India's moored underwater observatory deployed in the Kongsfjorden fjord of Svalbard in the Arctic for climate and oceanographic research.
Q10Current Affairs·Science and Technology in News
With reference to 'Fermentation-based Protein' or 'Precision Fermentation', recently in the news, consider the following statements:
1. It uses microorganisms to produce specific proteins that are identical to those found in animal-derived foods.
2. It is considered a potential solution for reducing the environmental footprint of animal agriculture.
Which of the statements given above is/are correct?
- A1 only
- B2 only
- CBoth 1 and 2Correct
- DNeither 1 nor 2
Explanation
Correct. Precision fermentation uses engineered microbes to produce specific food proteins and is viewed as an environmentally lighter alternative to animal agriculture.
Q11Current Affairs·Science and Technology in News
With reference to the 'Dark Web', sometimes in the news, consider the following statements:
1. It is a part of the internet that is not indexed by standard search engines.
2. Accessing the Dark Web typically requires specialised software such as Tor.
3. All activities on the Dark Web are illegal under international law.
Which of the statements given above is/are correct?
- A1 and 2 onlyCorrect
- B2 and 3 only
- C1 only
- D1, 2 and 3
Explanation
Correct. The Dark Web is unindexed and requires tools like Tor, but not all activity on it is illegal; it is also used for privacy-sensitive legitimate communication.
Q12Current Affairs·Science and Technology in News
Consider the following statements about 'Hydrogen Fuel Cells':
1. They generate electricity through a chemical reaction between hydrogen and oxygen.
2. The primary by-product of a hydrogen fuel cell is carbon dioxide.
Which of the statements given above is/are correct?
- A1 onlyCorrect
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Explanation
Correct. Hydrogen fuel cells produce electricity from the reaction of hydrogen and oxygen, with water as the primary by-product, not carbon dioxide.