General Science

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

What is the best description of biotechnology?

A defunct human-made objects/fragments orbiting Earth
B Geosynchronous Satellite Launch Vehicle
C vaccine delivering messenger RNA instructions to produce an antigen
D use of biological systems or components to develop products/processes

Which statement correctly identifies geostationary satellite?

A computed tomography using X-rays
B treatment modifying/replacing/regulating genetic material
C digitally monitored and controlled electricity network
D satellite appearing fixed over a point on the equator by matching Earth’s rotation

In general science, quantum computing refers to:

A unstable isotope undergoing radioactive decay
B systems performing tasks associated with human-like perception/reasoning/learning
C transformation of data so it cannot be read without decryption
D computing using quantum states and operations

Which statement correctly identifies 5G?

A system using radio waves to detect and locate objects
B particle with characteristic dimensions in the nanoscale range
C fifth-generation mobile communication technology
D polymerase chain reaction for amplifying specific DNA sequences

Which statement correctly identifies Chandrayaan?

A India’s lunar exploration programme
B use of biological processes to remove or neutralise pollutants
C gene-editing technology using guide RNA and CRISPR-associated proteins
D machine learning using multi-layer neural networks

In general science, ISRO refers to:

A India’s space agency
B icy body that can develop a coma and tail near the Sun
C use of biological systems or components to develop products/processes
D complete genetic material of an organism/cell

Which statement correctly identifies astronomical unit?

A mean Earth-Sun distance, about 149.6 million km
B methods that learn patterns from data
C direct modification of genetic material
D organism whose genetic material has been altered using genetic engineering

In general science, geostationary satellite refers to:

A large-scale study of proteins
B inferred matter detected mainly through gravitational effects
C satellite appearing fixed over a point on the equator by matching Earth’s rotation
D India’s Mars Orbiter Mission

Which statement correctly identifies blockchain?

A unmanned aerial vehicle
B vehicle propelled by expelling reaction mass
C mean Earth-Sun distance, about 149.6 million km
D distributed ledger technology

Which of the following is most closely associated with robotics?

A network of physical devices exchanging data through sensors/software
B science/engineering involving nanoscale structures and phenomena
C production of genetically identical biological copies by a relevant method
D field involving design and use of robots

What is the best description of radioisotope?

A unstable isotope undergoing radioactive decay
B techniques visualising internal body structures
C identity verification using biological characteristics
D fifth-generation mobile communication technology

What is the best description of 3D printing?

A India’s heavy-lift launch vehicle
B laboratory-produced antibody population targeting a specific antigen
C additive manufacturing building objects layer by layer
D satellite appearing fixed over a point on the equator by matching Earth’s rotation

Which statement correctly identifies encryption?

A transformation of data so it cannot be read without decryption
B complete genetic material of an organism/cell
C use of biological systems or components to develop products/processes
D icy body that can develop a coma and tail near the Sun

Which of the following is most closely associated with LVM3?

A distributed ledger technology
B imaging using high-frequency sound waves
C rechargeable battery using lithium-ion movement between electrodes
D India’s heavy-lift launch vehicle

What is the best description of gravitational waves?

A determining nucleotide order in DNA
B single-layer/few-layer carbon material with hexagonal lattice
C protection of digital systems, networks and data
D ripples in spacetime produced by accelerating massive objects

In general science, space debris refers to:

A defunct human-made objects/fragments orbiting Earth
B computed tomography using X-rays
C network of physical devices exchanging data through sensors/software
D electrochemical device converting fuel and oxidant chemical energy into electricity