Bletchley Declaration, 2023 was signed by which of the following countries among others?

[JKPSC 2025] #Tech #C_A

i. United Kingdom
ii. South Korea
iii. Russia
iv. China

Select the correct answer using the code given below.

Consider the following features:

[JKPSC 2025] #C_A #Tech

i. Blockchain integration
ii. Centralized platform
iii. User ownership and control
iv. Interoperability

Which of the above are characteristics of Web 3.0?

Which of the following statements with regard to the International Space Station (ISS) is/are correct?

[UPSC CISF AC 2025] #Science #Tech

1. It is orbiting around the Earth at a speed of approximately 1,00,000 km per hour.

2. It revolves the complete Earth orbit every 90 minutes.

3. Astronauts stationed at the ISS witness a sunrise (or sunset) approximately every 45 minutes.

Select the answer using the code given below:

Consider the following materials:

1. Agricultural residues
2. Corn grain
3. Wastewater treatment sludge
4. Wood mill waste

Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?

[UPSC CSE 2024] #Science #Tech

Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items"?

[UPSC CSE 2024] #Science #Tech

With reference to radioisotope thermoelectric generators (RTGs), consider the following statements:

1. RTGs are miniature fission reactors.

2. RTGs are used for powering the onboard systems of spacecrafts.

3. RTGs can use Plutonium-238, which is a by-product of weapons development.

Which of the statements given above are correct?

[UPSC CSE 2024] #Science #Tech

Consider the following activities:

1. Identification of narcotics on passengers at airports or in aircraft

2. Monitoring of precipitation

3. Tracking the migration of animals

In how many of the above activities can the radars be used?

[UPSC CSE - 2024] #Science #Tech

Consider the following aircraft:

1. Rafael

2. MiG-29

3. Tejas MK-1

How many of the above are considered fifth generation fighter aircraft?

[UPSC CSE - 2024] #Science #Tech

Consider the following types of vehicles:

[UPSC CSE 2025] #Science #Tech

I. Full battery electric vehicles
II. Hydrogen fuel cell vehicles
III. Fuel cell-electric hybrid vehicles

How many of the above are considered as alternative powertrain vehicles?

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:

[UPSC CSE 2025] #Science #Tech

I. All types of UAVs can do vertical landing.
II. All types of UAVs can do automated hovering.
III. All types of UAVs can use battery only as a source of power supply.

How many of the statements given above are correct?

In the context of electric vehicle batteries, consider the following elements:

[UPSC CSE 2025] #Science #Tech

I. Cobalt
II. Graphite
III. Lithium
IV. Nickel

How many of the above usually make up battery cathodes?

Consider the following substances:

[UPSC CSE 2025] #Science #Tech

I. Ethanol
II. Nitroglycerine
III. Urea

Coal gasification technology can be used in the production of how many of them?

Consider the following statements:

[UPSC CSE 2025] #Science #Tech

I. It is expected that Majorana 1 chip will enable quantum computing.

II. Majorana 1 chip has been introduced by Amazon Web Services (AWS).

III. Deep learning is a subset of machine learning.

Which of the statements given above are correct?

With reference to monoclonal antibodies, often mentioned in news, consider the following statements:

[UPSC CSE 2025] #Science #Tech

I. They are man-made proteins.

II. They stimulate immunological function due to their ability to bind to specific antigens.

III. They are used in treating viral infections like that of Nipah virus.

Which of the statements given above are correct?

Consider the following statements:

[UPSC CSE 2025] #Science #Tech

I. No virus can survive in ocean waters.
II. No virus can infect bacteria.
III. No virus can change the cellular transcriptional activity in host cells.

Which of the statements given above is/are correct?

Consider the following statements:

[UPSC CSE 2025] #Science #Tech

Statement I:
Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries.

Statement II:
Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals.

Statement III:
Activated carbon can be easily synthesized from environmental wastes with high carbon content.

Which one of the following is correct in respect of the above statements?