UPSC subject-wise previous year questions
UPSC Science PYQ Practice
Science PYQs focus on applied general science, health, biotechnology, space, defence, IT, energy, and emerging technologies. Use this page to understand the trend, then start a timed subject-wise drill with negative marking and instant review.
Frequent Science topics
Sample Science questions
Scan real previous year prompts before starting the timed drill.
UPSC 2025
In the context of electric vehicle batteries, consider the following elements : I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above u...
UPSC 2025
With reference to 'Web 3.0', consider the following statements: 1. Web 3.0 technology enables people to control their own data. 2. In Web 3.0 world, t...
UPSC 2025
Consider the following types of vehicles : I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles H...
UPSC 2025
With reference to 'CRISPR-Cas9' technology, consider the following statements: 1. It can be used to alter the genes of a living organism. 2. It can be...
UPSC 2025
GPS-Aided Geo Augmented Navigation (GAGAN) uses a system of ground stations to provide necessary augmentation. Which of the following statements is/ar...
UPSC 2025
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 t...
UPSC 2025
Consider the following statements : I. It is expected that Majorana 1 chip will enable quantum computing. II. Majorana 1 chip has been introduced by A...
UPSC 2025
Consider the following space missions : I. Axiom-4 II. SpaDeX III. Gaganyaan How many of the space missions given above encourage and support micro-gr...
UPSC 2025
Consider the following substances : I. Ethanol II. Nitroglycerine III. Urea Coal gasification technology can be used in the production of how many of...
UPSC 2025
Consider the following statements regarding the NISAR (NASA-ISRO Synthetic Aperture Radar) mission: 1. It is a dual-frequency radar imaging satellite...
UPSC 2025
With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements : I. All types of UAVs can do vertical landing. II. All types of...
UPSC 2024
Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simu...