General Science for Class 7

Physical and Chemical Changes
The shape of ‘gas’ is
indefinite
definite
indescribable
dependent on air humidity
Author: rikazzz Comment
Respiration and Food Energy
Flu is caused by
bacteria
viruses
insects
dust
Author: rikazzz Comment
Human Transport System
‘Hormones’ in the blood are carried by
red blood cells
white blood cells
plasma
platelets
Author: rikazzz Comment
Electric Circuits and Currents
Maglev trains don’t
ride on the track
fall from the track
repel from the track
stay on the track
Author: rikazzz Comment
Atoms and Atom Model
Iron is represented by
C
Fe
I
Ir
Author: rikazzz Comment
Electric Circuits and Currents
Earth wire is a wire that
is used to earth excess current
insulates excess current
diffuses excess current
recharges voltage
Author: rikazzz Comment
Electric Circuits and Currents
If more resistors are added in a series circuit the resistance will be
increased
decreased
equal
constant
Author: rikazzz Comment
Dispersion of Light
When red and green colors are mixed together, they form
yellow color
magenta color
orange color
purple color
Author: rikazzz Comment
Importance of Water
The worst disease of the water-related diseases is
typhoid
diarrhea
bilharzia
hepatitis
Author: rikazzz Comment
Investigating Space
In the universe approximate number of galaxies is
100,000 thousands
100,000 millions
100,000 billions
100,000 trillions
Author: rikazzz Comment

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