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WorksheetsScience Day Quiz-2025
Total questions: 25
Worksheet time: 9mins
Which branch of life science studies the changes that take place in organisms through time?
Genetics
Evolution
Ecology
Cytology
X- rays were discovered by________
Curie
Roentgen
Becquere
Van lane
The shape of a rain drop is spherical due to_________
Viscosity
Surface tension
Gravitation
Elasticity
A carbon microphone is best used in______
Transformer
Telephone
Dynamo
None of these
A switch is always connected to the________
line wire
neutral wire
earth wire
no wire
The mercury and sodium street lamps light up because of_____
Electron absorption
Atomic emission
Electron emission
Atomic absorption
If the temperature inside a room is increased, the relative humidity will_____
Increase
Decrease
Remain unchanged
None of these
The image formed on the retine of a human eye is______
virtual and erect
virtual and inverted
real and erect
real and inverted
The audible frequency range of human ear is_____
200 hertz to 2000 hertz
2 hertz to 20 hertz
20 hertz to 200 hertz
20 hertz to 20000 hertz
Sound travel fastest in_______
air
steel
water
vaccum
The colours of stars depends on their_____
Temperature
Atmospheric pressure
Radius
Distance
A small and a large rain drops are falling through air________
the small drop moves faster
the large drop moves faster
Both moves with same speed
None of the above
Electricity is produced through dry cell from______
Mechanical energy
Nuclear energy
Thermal energy
Chemical energy
Rainbow is formed due to_______
scattering and refraction
refraction and reflection
refraction and dispersin
diffraction and refraction
Which of the gas is not known as greenhouse gas?
Methene
Nitrous oxide
Hydrogen
Carbon dioxide
Permanent magnets are made of ____
steel
Plastic
D.D.T.
Aluminium
Which Acid is known as ‘Oil of Vitriol’?
Sulphuric acid
Citric acid
Nitric acid
All of these
Turmeric is obtained from of a Plant
root
stem
leaves
branch
The SI Unit of Magnetic field ?
joule
kilogram
m/s
Tesla
First robot citizen ?
Sofia
Alexa
Enarma
Tesla
Scientific name of computer ?
System
Sillico sapiens
powered computer
super computer
Which one is not a web browser?
WWW
Netscape navigator
Mosaic
Expansion of LED?
Light Extract disk
Light Emitting Disk
Light Emitting Diode
Layer extensable diode
Find It ?
11
34
10
12
What is the next prime number after 7 ?
10
11
12
13
