General Science

What is the best description of dark matter?

A network of physical devices exchanging data through sensors/software
B electrochemical device converting fuel and oxidant chemical energy into electricity
C inferred matter detected mainly through gravitational effects
D science/engineering involving nanoscale structures and phenomena

Which of the following is most closely associated with space debris?

A defunct human-made objects/fragments orbiting Earth
B unknown component associated with accelerated cosmic expansion
C unstable isotope undergoing radioactive decay
D technology performing tasks with reduced human intervention

What is the best description of light-year?

A relatively small rocky/metallic body orbiting the Sun
B telescope placed in space to observe astronomical objects
C system using sound to detect underwater objects/depth
D distance light travels in vacuum in one year

What is the best description of DRDO?

A technology converting sunlight directly into electricity
B on-demand computing resources delivered over networks
C India’s Defence Research and Development Organisation
D microbial/cellular metabolic process producing useful products

What is the best description of PCR?

A polymerase chain reaction for amplifying specific DNA sequences
B mean Earth-Sun distance, about 149.6 million km
C vehicle propelled by expelling reaction mass
D unmanned aerial vehicle

In general science, astrobiology refers to:

A study of life in the universe
B identity verification using biological characteristics
C computing using quantum states and operations
D techniques visualising internal body structures

In general science, artificial intelligence refers to:

A systems performing tasks associated with human-like perception/reasoning/learning
B study of small-molecule metabolites and metabolic profiles
C vehicle propelled by expelling reaction mass
D Indian solar mission studying the Sun from near Sun-Earth L1

Which statement correctly identifies PCR?

A polymerase chain reaction for amplifying specific DNA sequences
B India’s Defence Research and Development Organisation
C direct modification of genetic material
D use of biological processes to remove or neutralise pollutants

In general science, gravitational waves refers to:

A field involving design and use of robots
B inferred matter detected mainly through gravitational effects
C device maintaining a controlled nuclear chain reaction
D ripples in spacetime produced by accelerating massive objects

Which of the following is most closely associated with machine learning?

A large infrared space telescope operated through an international partnership
B system using sound to detect underwater objects/depth
C relatively small rocky/metallic body orbiting the Sun
D methods that learn patterns from data

Which of the following is most closely associated with nanoparticle?

A India’s regional satellite navigation system
B India’s space agency
C telescope placed in space to observe astronomical objects
D particle with characteristic dimensions in the nanoscale range

What is the best description of astronomical unit?

A production of genetically identical biological copies by a relevant method
B unmanned aerial vehicle
C mean Earth-Sun distance, about 149.6 million km
D distance light travels in vacuum in one year

Which statement correctly identifies PSLV?

A large gravitationally bound system of stars, gas, dust and dark matter
B Polar Satellite Launch Vehicle
C direct modification of genetic material
D India’s Defence Research and Development Organisation

Which statement correctly identifies dark energy?

A unknown component associated with accelerated cosmic expansion
B additive manufacturing building objects layer by layer
C study of life in the universe
D hydrogen used as an energy carrier

Which statement correctly identifies gravitational waves?

A ripples in spacetime produced by accelerating massive objects
B on-demand computing resources delivered over networks
C technology converting sunlight directly into electricity
D magnetic resonance imaging using magnetic fields and radiofrequency signals

In general science, nuclear reactor refers to:

A device maintaining a controlled nuclear chain reaction
B vaccine delivering messenger RNA instructions to produce an antigen
C defunct human-made objects/fragments orbiting Earth
D Geosynchronous Satellite Launch Vehicle

What is the best description of fuel cell?

A gene-editing technology using guide RNA and CRISPR-associated proteins
B electrochemical device converting fuel and oxidant chemical energy into electricity
C use of biological processes to remove or neutralise pollutants
D machine learning using multi-layer neural networks

What is the best description of solar photovoltaic?

A technology converting sunlight directly into electricity
B science/engineering involving nanoscale structures and phenomena
C unmanned aerial vehicle
D production of genetically identical biological copies by a relevant method

Which of the following is most closely associated with Internet of Things?

A network of physical devices exchanging data through sensors/software
B systems performing tasks associated with human-like perception/reasoning/learning
C use of biological systems or components to develop products/processes
D complete genetic material of an organism/cell

Which statement correctly identifies asteroid?

A relatively small rocky/metallic body orbiting the Sun
B electrochemical device converting fuel and oxidant chemical energy into electricity
C network of physical devices exchanging data through sensors/software
D science/engineering involving nanoscale structures and phenomena

In general science, GPS refers to:

A US-operated global satellite navigation system
B collection of information without direct physical contact using sensors
C Polar Satellite Launch Vehicle
D region from which nothing including light can escape beyond the event horizon

Which of the following is most closely associated with biometric authentication?

A identity verification using biological characteristics
B systems performing tasks associated with human-like perception/reasoning/learning
C device maintaining a controlled nuclear chain reaction
D transformation of data so it cannot be read without decryption

Which statement correctly identifies hydrogen fuel?

A magnetic resonance imaging using magnetic fields and radiofrequency signals
B computing using quantum states and operations
C hydrogen used as an energy carrier
D capture of CO2 emissions for storage/use

What is the best description of cloning?

A relatively small rocky/metallic body orbiting the Sun
B production of genetically identical biological copies by a relevant method
C collection of information without direct physical contact using sensors
D large infrared space telescope operated through an international partnership

Which of the following is most closely associated with Mangalyaan?

A technology performing tasks with reduced human intervention
B India’s Mars Orbiter Mission
C unstable isotope undergoing radioactive decay
D inferred matter detected mainly through gravitational effects