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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
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Human Transport System
Oxygenated blood is carried by
arteries
veins
capillaries
intestines
Author:
rikazzz
Comment
Atoms and Atom Model
Diatomic gases such as nitrogen, oxygen and chlorine have
covalent bonding between their atoms
dative bonding between their molecules
metallic bonding between their elements
strong bonding between their atom
Author:
rikazzz
Comment
Electric Circuits and Currents
A source that makes electrons to move is known as
battery
dam
turbine
dynamo
Author:
rikazzz
Comment
Electric Circuits and Currents
When water is electrolyzed, at anode collected gas is
sulphur
oxygen
hydrogen
sulphur dioxide
Author:
rikazzz
Comment
Importance of Water
The soil and sand is settled at the bottom in
metal screen
grit tank
sludge tank
filter bed
Author:
rikazzz
Comment
Transportation in Plants
Phloem tissue also contains
component cells
colleague cells
companion cells
supportive cells
Author:
rikazzz
Comment
Investigating Space
All the planets, moons, asteroids, comets and other bodies orbit around the
comet
meteoroids
sun
milky way
Author:
rikazzz
Comment
Investigating Space
Scientists get information about galaxies with the help of
energy
light
sound
radiations
Author:
rikazzz
Comment
Electric Circuits and Currents
Inside cell positive terminal is made of
zinc case
graphite rod
carbon
manganese
Author:
rikazzz
Comment
Electric Circuits and Currents
One method of making a strong electromagnet is to increase
voltage in coil
resistance in coil
number of turns in coil
the size of iron bar
Author:
rikazzz
Comment
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