Bihar Government Calendar 2025

Practice Question of General Science 

Online Practice Set Questions

This practice set consist of following topics : General Knowledge & Current Affairs(30 MCQ),

Q.1	Brass gets discoloured in air because of the presence of which of the following gases in air?
Oxygen
Hydrogen sulphide
Carbon dioxide
Nitrogen
None of the Above
Q.2	नासा के गुरुत्वाकर्षण मापने वाले दो उपग्रहों से प्राप्त जानकारी का उपयोग कर 12 फरवरी 2013 को एक अध्ययन में पाया गया कि पृथ्वी के शुष्क ________ क्षेत्र के बड़े हिस्सों में मीठे पानी के भंडार पिछले एक दशक के दौरान तेजी से खत्म हो गए. निम्नलिखत में से चयन कर रिक्त स्थान को भरें.
मध्य पूर्व
दक्षिण पूर्वी
सऊदी अरब
उत्तर पश्चिम
Q.3	Which of the following is used in pencils?
Graphite
Silicon
Charcoal
Phosphorous
Q.4	Which instrument is used to measure pressure?
Saccharimeter
Ammeter
Manometer
Lactometer
Q.5	Light year is related to
Energy
Speed
Distance
Intensity
Q.6	The unit of current is
Ohm
Watt
Ampere
None of these
Q.7	The intensity of an earthquake is measured with a
Barometer
Hydrometer
Polygraph
Seismograph
Q.8	The scientist who first discovered that the earth revolves round the sun was
Newton
Dalton
Copernicus
Einstein
Q.9	Alexander Fleming discovered
Penicillin
X-ray
Streptomycin
Telephone
Q.10	Who among following invented the steam engine?
Marconi
James Watt
Thomas Savery
Wright Brothers
Q.11	Robert Koch worked on
Tuberculosis
Cholera
Malaria
Diabetes
Q.12	Who among the following evolved the concept of relationship between mass and Energy?
Einstein
Planck
Dalton
Rutherford
Q.13	Who proposed the chemical evolution of life?
Darwin
Lammarck
Oparin
Haechel
Q.14	The velocity of light was first measured by
Einstein
Newton
Romer
Galileo
Q.15	Ornithology is the
Study of bones
Study of birds
Study of smells
None of these
Q.16	Eugenics is the study of
Altering humans beings by changing their genetic components
People of European origin
Different races of mankind
Genetics of plants
Q.17	Numismatics is the study of
Coins
Numbers
Stamps
Space
Q.18	Oncology is the study of
Birds
Cancer
Mammals
Soil
Q.19	Meteorology is the science of
Weather
Meteors
Metals
Earthquakes
Q.20	Ecology deals with
Birds
Cell formation
Relation between Organisms and their environment
Tissues
Q.21	Anatomy is the branch of science which deals with
Structure of animals and plants
Functioning of body organs
Animal behavior
Cells and tissues
Q.22	Philology is the
Study of bones
Study of muscles
Study of architecture
Study of languages
Q.23	Blaze Pascal is associated with
Calculating machine
Computer
Cinema
None of these
Q.24	The credit of developing the polio vaccine goes to
Jonas Salk
Alb E. Sabin
Selman Waksman
None of these
Q.25	Who was the surgeon who pioneered antiseptic surgery in 1865?
Edward Jenner
Joseph Lister
Henry William
John Sleeman
Q.26	The first attempt in printing was made in England by
James Arkwright
James Watt
William Caxton
Isaac Newton
Q.27	Why isn’t electricity considered a primary energy source?
It is not as powerful as other energy sources.
It is not the most common energy source.
It was not the first energy source discovered.
It is produced by another energy source.
Q.28	Coal, hydroelectric, wind, nuclear, and solar thermal power plants all have this equipment in common.
Photovoltaic cells
Boilers
Turbines
Flues
Q.29	What units do electric companies generally use to measure how much power you use?
Amperes
Kilowatt-hours
Kilowatts
Volts
Q.30	What devices on the electric grid allow the high-voltage electricity that travels long distances on power lines to be transmitted to homes and businesses at the lower voltages needed for appliances?
Transformers
Circuits
Turbogenerators
Synchrophasors