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Biological Sciences
50
Modern Materials
21
Atomic Structure
87
Energy Resources
43
Elements and Substances
76
Plant Photosynthesis and Respiration
52
Space and Solar System
230
General Science for Class 6
1155
General Science for Class 7
2197
General Science for Class 8
0
Basics of Electricity
28
Show/Hide Answers
Electric Circuits and Currents
A 50v current can
kill you
electrocute you
give you a nasty shock
make your body burst
Author:
rikazzz
Comment
Investigating Space
The color of a star gives us idea about its
inner core
outer core temperature
mantle temperature
surface temperature
Author:
rikazzz
Comment
Atoms and Atom Model
In an atom of carbon, electronic configuration is
2 electrons in K shell and 4 in M shell
2 electrons in L shell and 4 in M shell
2 electrons in K shell and 4 in L shell
4 electrons in K shell and 2 in L shell
Author:
rikazzz
Comment
Electric Circuits and Currents
Sometimes, bulb does not light up even if the circuit is complete because the
energy is low
power is low
resistance is high
electric charges are insufficient
Author:
rikazzz
Comment
Human Transport System
The heart locates a bit on the left side of the chest because
it is on the left side
the atria are tilted towards the left
the ventricles are tilted towards the left
the atria are tilted towards the right
Author:
rikazzz
Comment
Importance of Water
Most of the reservoirs are built on
roofs
lowlands
mountains and high lands
sea beds
Author:
rikazzz
Comment
Atoms and Atom Model
Mass number tells us the number of
neutrons only
electrons only
particles in the nucleus
protons only
Author:
rikazzz
Comment
Investigating Space
A violent spinning ball of hot and burning gases is known as
planet
star
galaxy
cluster
Author:
rikazzz
Comment
Investigating Space
The way of collecting facts about sun is also sending satellites
to heaven
on sun
to space
to earth
Author:
rikazzz
Comment
Investigating Space
If galaxies further move apart, hydrogen will be used in the production of new
planets
stars
galaxies
clusters
Author:
rikazzz
Comment
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