UPSC Prelims 2025 Science & Technology

Consider the following statements: I. Indian Railways have prepared a National Rail Plan (NRP) to create a future ready railway system by 2028.  II. 'Kavach'...

Consider the following space missions: I. Axiom-4 II. SpaDeX III. Gaganyaan How many of the space missions given above encourage and support micro-gravity re...

GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/are corre...

Consider the following statements: Statement I: Some rare earth elements are used in the manufacture of flat television screens and computer monitors. Statem...

With reference to India's defence, consider the following pairs: Aircraft type – Description I. Dornier-228 : Maritime patrol aircraft II. IL-76 : Supersonic...

Consider the following statements: I. No virus can survive in ocean waters. II. No virus can infect bacteria. III. No virus can change the cellular transcrip...

Consider the following statements: I. It is expected that Majorana 1 chip will enable quantum computing. II. Majorana 1 chip has been introduced by Amazon We...

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements: I. All types of UAVs can do vertical landing. II. All types of UAVs can...

Consider the following types of vehicles: I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell electric hybrid vehicles How many ...

Consider the following substances: I. Ethanol  II. Nitroglycerine  III. Urea Coal gasification technology can be used in the production of how many of them?

With reference to monoclonal antibodies, often mentioned in news, consider the following statements: I. They are man-made proteins. II. They stimulate immuno...

What is the common characteristic of the chemical substances generally known as CL-20, HMX and LLM-105, which are sometimes talked about in media?