General Science for Class 7

Investigating Space
Constellations make it easier for us to find
sun
galaxies
stars
comets
Author: rikazzz Comment
Electric Circuits and Currents
Simple circuits have
single pin plug
double pin plug
triple pin plug
massive pin plug
Author: rikazzz Comment
Investigating Space
Names of two stars of “Sirius” are
Sirius-1 and Sirius-2
Sirius-X and Sirius-Y
Sirius-A and Sirius-B
Sirius-I and Sirius-II
Author: rikazzz Comment
Electric Circuits and Currents
Wires are heated when they carry
electrons
protons
ions
photons
Author: rikazzz Comment
Sound Waves
Light travels
slow than sound
fast than sound
at the same speed as of sound
at different speed as of sound
Author: rikazzz Comment
Electric Circuits and Currents
In most of the loudspeakers, electrical signals pass through a
magnet
wire coil
spring
resistor
Author: rikazzz Comment
Electric Circuits and Currents
Every time a fuse melts, you have to
change the wire
change the fuse
replace the plug
replace the circuit breaker
Author: rikazzz Comment
Reproduction in Plants
The ball formed in a plant is known as
zygote
embryo
endosperm
seed
Author: rikazzz Comment
Dispersion of Light
The number of red cells in an eye is
320 million
120 million
220 million
200 million
Author: rikazzz Comment
Sound Waves
Sound moves in air because
temperature is passed on
humidity is passed on
pressure is passed on
heat is passed on
Author: rikazzz Comment

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